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  • CC13x1x3, CC26x1x3 SimpleLink™ Wireless MCU

    • SWCU191 February   2022 CC1311P3 , CC1311R3 , CC2651P3 , CC2651R3 , CC2651R3SIPA

       

  • CONTENTS
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  • CC13x1x3, CC26x1x3 SimpleLink™ Wireless MCU
  1. 1 Read This First
    1.     About This Manual
    2.     Devices
    3.     Register, Field, and Bit Calls
    4.     Related Documentation
    5. 1.1 Trademarks
  2. 2 Architectural Overview
    1. 2.1 Target Applications
    2. 2.2 Overview
    3. 2.3 Functional Overview
      1. 2.3.1  Arm® Cortex®-M4
        1. 2.3.1.1 Processor Core
        2. 2.3.1.2 System Timer (SysTick)
        3. 2.3.1.3 Nested Vector Interrupt Controller (NVIC)
        4. 2.3.1.4 System Control Block
      2. 2.3.2  On-Chip Memory
        1. 2.3.2.1 SRAM
        2. 2.3.2.2 Flash Memory
        3. 2.3.2.3 ROM
      3. 2.3.3  Radio
      4. 2.3.4  Security Core
      5. 2.3.5  General-Purpose Timers
        1. 2.3.5.1 Watchdog Timer
        2. 2.3.5.2 Always-On Domain
      6. 2.3.6  Direct Memory Access
      7. 2.3.7  System Control and Clock
      8. 2.3.8  Serial Communication Peripherals
        1. 2.3.8.1 UART
        2. 2.3.8.2 I2C
        3. 2.3.8.3 I2S
        4. 2.3.8.4 SSI
      9. 2.3.9  Programmable I/Os
      10. 2.3.10 Analog Peripherals
      11. 2.3.11 Random Number Generator
      12. 2.3.12 cJTAG and JTAG
      13. 2.3.13 Power Supply System
        1. 2.3.13.1 Supply System
          1. 2.3.13.1.1 VDDS
          2. 2.3.13.1.2 VDDR
          3. 2.3.13.1.3 Digital Core Supply
          4. 2.3.13.1.4 Other Internal Supplies
        2. 2.3.13.2 DC/DC Converter
  3. 3 Arm® Cortex®-M4 Processor
    1. 3.1 Arm® Cortex®-M4 Processor Introduction
    2. 3.2 Block Diagram
    3. 3.3 Overview
      1. 3.3.1 System-Level Interface
      2. 3.3.2 Integrated Configurable Debug
      3. 3.3.3 Trace Port Interface Unit
      4. 3.3.4 Arm® Cortex®-M4 System Component Details
    4. 3.4 Programming Model
      1. 3.4.1 Processor Mode and Privilege Levels for Software Execution
      2. 3.4.2 Stacks
      3. 3.4.3 Exceptions and Interrupts
      4. 3.4.4 Data Types
    5. 3.5 Arm® Cortex®-M4 Core Registers
      1. 3.5.1 Core Register Map
      2. 3.5.2 Core Register Descriptions
        1. 3.5.2.1  Cortex®General-Purpose Register 0 (R0)
        2. 3.5.2.2  Cortex® General-Purpose Register 1 (R1)
        3. 3.5.2.3  Cortex® General-Purpose Register 2 (R2)
        4. 3.5.2.4  Cortex® General-Purpose Register 3 (R3)
        5. 3.5.2.5  Cortex® General-Purpose Register 4 (R4)
        6. 3.5.2.6  Cortex® General-Purpose Register 5 (R5)
        7. 3.5.2.7  Cortex® General-Purpose Register 6 (R6)
        8. 3.5.2.8  Cortex® General-Purpose Register 7 (R7)
        9. 3.5.2.9  Cortex® General-Purpose Register 8 (R8)
        10. 3.5.2.10 Cortex® General-Purpose Register 9 (R9)
        11. 3.5.2.11 Cortex® General-Purpose Register 10 (R10)
        12. 3.5.2.12 Cortex® General-Purpose Register 11 (R11)
        13. 3.5.2.13 Cortex® General-Purpose Register 12 (R12)
        14. 3.5.2.14 Stack Pointer (SP)
        15. 3.5.2.15 Link Register (LR)
        16. 3.5.2.16 Program Counter (PC)
        17. 3.5.2.17 Program Status Register (PSR)
        18. 3.5.2.18 Priority Mask Register (PRIMASK)
        19. 3.5.2.19 Fault Mask Register (FAULTMASK)
        20. 3.5.2.20 Base Priority Mask Register (BASEPRI)
        21. 3.5.2.21 Control Register (CONTROL)
    6. 3.6 Instruction Set Summary
      1. 3.6.1 Arm® Cortex®-M4 Instructions
      2. 3.6.2 Load and Store Timings
      3. 3.6.3 Binary Compatibility With Other Cortex® Processors
    7. 3.7 Arm® Cortex®-M4 Processor Registers
      1. 3.7.1 CPU_DWT Registers
      2. 3.7.2 CPU_FPB Registers
      3. 3.7.3 CPU_ITM Registers
      4. 3.7.4 CPU_SCS Registers
      5. 3.7.5 CPU_TPIU Registers
  4. 4 Memory Map
    1. 4.1 Memory Map
  5. 5 Arm® Cortex®-M4 Peripherals
    1. 5.1 Arm® Cortex®-M4 Peripherals Introduction
    2. 5.2 Functional Description
      1. 5.2.1 SysTick
      2. 5.2.2 NVIC
        1. 5.2.2.1 Level-Sensitive and Pulse Interrupts
        2. 5.2.2.2 Hardware and Software Control of Interrupts
      3. 5.2.3 SCB
      4. 5.2.4 ITM
      5. 5.2.5 FPB
      6. 5.2.6 TPIU
      7. 5.2.7 DWT
  6. 6 Interrupts and Events
    1. 6.1 Exception Model
      1. 6.1.1 Exception States
      2. 6.1.2 Exception Types
      3. 6.1.3 Exception Handlers
      4. 6.1.4 Vector Table
      5. 6.1.5 Exception Priorities
      6. 6.1.6 Interrupt Priority Grouping
      7. 6.1.7 Exception Entry and Return
        1. 6.1.7.1 Exception Entry
        2. 6.1.7.2 Exception Return
    2. 6.2 Fault Handling
      1. 6.2.1 Fault Types
      2. 6.2.2 Fault Escalation and Hard Faults
      3. 6.2.3 Fault Status Registers and Fault Address Registers
      4. 6.2.4 Lockup
    3. 6.3 Event Fabric
      1. 6.3.1 Introduction
      2. 6.3.2 Event Fabric Overview
        1. 6.3.2.1 Registers
    4. 6.4 AON Event Fabric
      1. 6.4.1 Common Input Event List
      2. 6.4.2 Event Subscribers
        1. 6.4.2.1 Wake-Up Controller (WUC)
        2. 6.4.2.2 Real-Time Clock
        3. 6.4.2.3 MCU Event Fabric
    5. 6.5 MCU Event Fabric
      1. 6.5.1 Common Input Event List
      2. 6.5.2 Event Subscribers
        1. 6.5.2.1 System CPU
        2. 6.5.2.2 NMI
        3. 6.5.2.3 Freeze
    6. 6.6 AON Events
    7. 6.7 Interrupts and Events Registers
      1. 6.7.1 AON_EVENT Registers
      2. 6.7.2 EVENT Registers
  7. 7 JTAG Interface
    1. 7.1  Top-Level Debug System
    2. 7.2  cJTAG
      1. 7.2.1 cJTAG Commands
        1. 7.2.1.1 Mandatory Commands
      2. 7.2.2 Programming Sequences
        1. 7.2.2.1 Opening Command Window
        2. 7.2.2.2 Changing to 4-Pin Mode
        3. 7.2.2.3 Close Command Window
    3. 7.3  ICEPick
      1. 7.3.1 Secondary TAPs
        1. 7.3.1.1 Slave DAP (CPU DAP)
        2. 7.3.1.2 Ordering Slave TAPs and DAPs
      2. 7.3.2 ICEPick Registers
        1. 7.3.2.1 IR Instructions
        2. 7.3.2.2 Data Shift Register
        3. 7.3.2.3 Instruction Register
        4. 7.3.2.4 Bypass Register
        5. 7.3.2.5 Device Identification Register
        6. 7.3.2.6 User Code Register
        7. 7.3.2.7 ICEPick Identification Register
        8. 7.3.2.8 Connect Register
      3. 7.3.3 Router Scan Chain
      4. 7.3.4 TAP Routing Registers
        1. 7.3.4.1 ICEPick Control Block
          1. 7.3.4.1.1 All0s Register
          2. 7.3.4.1.2 ICEPick Control Register
          3. 7.3.4.1.3 Linking Mode Register
        2. 7.3.4.2 Test TAP Linking Block
          1. 7.3.4.2.1 Secondary Test TAP Register
        3. 7.3.4.3 Debug TAP Linking Block
          1. 7.3.4.3.1 Secondary Debug TAP Register
    4. 7.4  ICEMelter
    5. 7.5  Serial Wire Viewer (SWV)
    6. 7.6  Halt In Boot (HIB)
    7. 7.7  Debug and Shutdown
    8. 7.8  Debug Features Supported Through WUC TAP
    9. 7.9  Profiler Register
    10. 7.10 Boundary Scan
  8. 8 Power, Reset and Clock Management (PRCM)
    1. 8.1 Introduction
    2. 8.2 System CPU Mode
    3. 8.3 Supply System
      1. 8.3.1 Internal DC/DC Converter and Global LDO
    4. 8.4 Digital Power Partitioning
      1. 8.4.1 MCU_VD
        1. 8.4.1.1 MCU_VD Power Domains
      2. 8.4.2 AON_VD
        1. 8.4.2.1 AON_VD Power Domains
    5. 8.5 Clock Management
      1. 8.5.1 System Clocks
        1. 8.5.1.1 Controlling the Oscillators
      2. 8.5.2 Clocks in MCU_VD
        1. 8.5.2.1 Clock Gating
        2. 8.5.2.2 Scaler to GPTs
        3. 8.5.2.3 Scaler to WDT
      3. 8.5.3 Clocks in AON_VD
    6. 8.6 Power Modes
      1. 8.6.1 Start-Up State
      2. 8.6.2 Active Mode
      3. 8.6.3 Idle Mode
      4. 8.6.4 Standby Mode
      5. 8.6.5 Shutdown Mode
    7. 8.7 Reset
      1. 8.7.1 System Resets
        1. 8.7.1.1 Clock Loss Detection
        2. 8.7.1.2 Software-Initiated System Reset
        3. 8.7.1.3 Warm Reset Converted to System Reset
      2. 8.7.2 Reset of the MCU_VD Power Domains and Modules
      3. 8.7.3 Reset of AON_VD
    8. 8.8 PRCM Registers
      1. 8.8.1 OSC_DIG Registers
      2. 8.8.2 PRCM Registers
      3. 8.8.3 AON_PMCTL Registers
  9. 9 Versatile Instruction Memory System (VIMS)
    1. 9.1 Introduction
    2. 9.2 VIMS Configurations
      1. 9.2.1 VIMS Modes
        1. 9.2.1.1 GPRAM Mode
        2. 9.2.1.2 Off Mode
        3. 9.2.1.3 Cache Mode
      2. 9.2.2 VIMS FLASH Line Buffers
      3. 9.2.3 VIMS Arbitration
      4. 9.2.4 VIMS Cache TAG Prefetch
    3. 9.3 VIMS Software Remarks
      1. 9.3.1 FLASH Program or Update
      2. 9.3.2 VIMS Retention
        1. 9.3.2.1 Mode 1
        2. 9.3.2.2 Mode 2
        3. 9.3.2.3 Mode 3
    4. 9.4 ROM
    5. 9.5 FLASH
      1. 9.5.1 FLASH Memory Protection
      2. 9.5.2 Memory Programming
      3. 9.5.3 FLASH Memory Programming
      4. 9.5.4 Power Management Requirements
    6. 9.6 ROM Functions
    7. 9.7 VIMS Registers
      1. 9.7.1 FLASH Registers
      2. 9.7.2 VIMS Registers
  10. 10SRAM
    1. 10.1 Introduction
    2. 10.2 Main Features
    3. 10.3 Data Retention
    4. 10.4 Parity and SRAM Error Support
    5. 10.5 SRAM Auto-Initialization
    6. 10.6 Parity Debug Behavior
    7. 10.7 SRAM Registers
      1. 10.7.1 SRAM Registers
  11. 11Bootloader
    1. 11.1 Bootloader Functionality
      1. 11.1.1 Bootloader Disabling
      2. 11.1.2 Bootloader Backdoor
    2. 11.2 Bootloader Interfaces
      1. 11.2.1 Packet Handling
        1. 11.2.1.1 Packet Acknowledge and Not-Acknowledge Bytes
      2. 11.2.2 Transport Layer
        1. 11.2.2.1 UART Transport
          1. 11.2.2.1.1 UART Baud Rate Automatic Detection
        2. 11.2.2.2 SSI Transport
      3. 11.2.3 Serial Bus Commands
        1. 11.2.3.1  COMMAND_PING
        2. 11.2.3.2  COMMAND_DOWNLOAD
        3. 11.2.3.3  COMMAND_SEND_DATA
        4. 11.2.3.4  COMMAND_SECTOR_ERASE
        5. 11.2.3.5  COMMAND_GET_STATUS
        6. 11.2.3.6  COMMAND_RESET
        7. 11.2.3.7  COMMAND_GET_CHIP_ID
        8. 11.2.3.8  COMMAND_CRC32
        9. 11.2.3.9  COMMAND_BANK_ERASE
        10. 11.2.3.10 COMMAND_MEMORY_READ
        11. 11.2.3.11 COMMAND_MEMORY_WRITE
        12. 11.2.3.12 COMMAND_SET_CCFG
        13. 11.2.3.13 COMMAND_DOWNLOAD_CRC
  12. 12Device Configuration
    1. 12.1 Customer Configuration (CCFG)
    2. 12.2 CCFG Registers
      1. 12.2.1 CCFG Registers
    3. 12.3 Factory Configuration (FCFG)
    4. 12.4 FCFG Registers
      1. 12.4.1 FCFG1 Registers
  13. 13Cryptography
    1. 13.1 AES Cryptoprocessor Introduction
    2. 13.2 Functional Description
      1. 13.2.1 Debug Capabilities
      2. 13.2.2 Exception Handling
    3. 13.3 Power Management and Sleep Modes
    4. 13.4 Hardware Description
      1. 13.4.1 AHB Slave Bus
      2. 13.4.2 AHB Master Bus
      3. 13.4.3 Interrupts
    5. 13.5 Module Description
      1. 13.5.1 Introduction
      2. 13.5.2 Module Memory Map
      3. 13.5.3 DMA Controller
        1. 13.5.3.1 Internal Operation
        2. 13.5.3.2 Supported DMA Operations
      4. 13.5.4 Master Control and Select Module
        1. 13.5.4.1 Algorithm Select Register
          1. 13.5.4.1.1 Algorithm Select
        2. 13.5.4.2 Master Transfer Protection
          1. 13.5.4.2.1 Master Transfer Protection Control
        3. 13.5.4.3 Software Reset
      5. 13.5.5 AES Engine
        1. 13.5.5.1 Second Key Registers (Internal, But Clearable)
        2. 13.5.5.2 AES Initialization Vector (IV) Registers
        3. 13.5.5.3 AES I/O Buffer Control, Mode, and Length Registers
        4. 13.5.5.4 Data Input and Output Registers
        5. 13.5.5.5 TAG Registers
      6. 13.5.6 Key Area Registers
        1. 13.5.6.1 Key Write Area Register
        2. 13.5.6.2 Key Written Area Register
        3. 13.5.6.3 Key Size Register
        4. 13.5.6.4 Key Store Read Area Register
    6. 13.6 AES Module Performance
      1. 13.6.1 Introduction
      2. 13.6.2 Performance for DMA-Based Operations
    7. 13.7 Programming Guidelines
      1. 13.7.1 One-Time Initialization After a Reset
      2. 13.7.2 DMAC and Master Control
        1. 13.7.2.1 Regular Use
        2. 13.7.2.2 Interrupting DMA Transfers
        3. 13.7.2.3 Interrupts, Hardware, and Software Synchronization
      3. 13.7.3 Encryption and Decryption
        1. 13.7.3.1 Key Store
          1. 13.7.3.1.1 Load Keys From External Memory
        2. 13.7.3.2 Basic AES Modes
          1. 13.7.3.2.1 AES-ECB
          2. 13.7.3.2.2 AES-CBC
          3. 13.7.3.2.3 AES-CTR
          4. 13.7.3.2.4 Programming Sequence With DMA Data
        3. 13.7.3.3 CBC-MAC
          1. 13.7.3.3.1 Programming Sequence for CBC-MAC
        4. 13.7.3.4 AES-CCM
          1. 13.7.3.4.1 Programming Sequence for AES-CCM
      4. 13.7.4 Exceptions Handling
        1. 13.7.4.1 Soft Reset
        2. 13.7.4.2 External Port Errors
        3. 13.7.4.3 Key Store Errors
    8. 13.8 Conventions and Compliances
      1. 13.8.1 Conventions Used in This Manual
        1. 13.8.1.1 Terminology
        2. 13.8.1.2 Formulas and Nomenclature
      2. 13.8.2 Compliance
    9. 13.9 Cryptography Registers
      1. 13.9.1 CRYPTO Registers
  14. 14I/O Controller (IOC)
    1. 14.1  Introduction
    2. 14.2  IOC Overview
    3. 14.3  I/O Mapping and Configuration
      1. 14.3.1 Basic I/O Mapping
      2. 14.3.2 Mapping AUXIOs to DIO Pins
      3. 14.3.3 Control External LNA/PA (Range Extender) With I/Os
      4. 14.3.4 Map the 32 kHz System Clock (LF Clock) to DIO
    4. 14.4  Edge Detection on DIO Pins
      1. 14.4.1 Configure DIO as GPIO Input to Generate Interrupt on EDGE DETECT
    5. 14.5  Unused I/O Pins
    6. 14.6  GPIO
    7. 14.7  I/O Pin Capability
    8. 14.8  Peripheral PORTIDs
    9. 14.9  I/O Pins
      1. 14.9.1 Input/Output Modes
        1. 14.9.1.1 Physical Pin
        2. 14.9.1.2 Pin Configuration
    10. 14.10 IOC Registers
      1. 14.10.1 AON_IOC Registers
      2. 14.10.2 GPIO Registers
      3. 14.10.3 IOC Registers
  15. 15Micro Direct Memory Access (µDMA)
    1. 15.1 μDMA Introduction
    2. 15.2 Block Diagram
    3. 15.3 Functional Description
      1. 15.3.1  Channel Assignments
      2. 15.3.2  Priority
      3. 15.3.3  Arbitration Size
      4. 15.3.4  Request Types
        1. 15.3.4.1 Single Request
        2. 15.3.4.2 Burst Request
      5. 15.3.5  Channel Configuration
      6. 15.3.6  Transfer Modes
        1. 15.3.6.1 Stop Mode
        2. 15.3.6.2 Basic Mode
        3. 15.3.6.3 Auto Mode
        4. 15.3.6.4 Ping-Pong
        5. 15.3.6.5 Memory Scatter-Gather Mode
        6. 15.3.6.6 Peripheral Scatter-Gather Mode
      7. 15.3.7  Transfer Size and Increments
      8. 15.3.8  Peripheral Interface
      9. 15.3.9  Software Request
      10. 15.3.10 Interrupts and Errors
    4. 15.4 Initialization and Configuration
      1. 15.4.1 Module Initialization
      2. 15.4.2 Configuring a Memory-to-Memory Transfer
        1. 15.4.2.1 Configure the Channel Attributes
        2. 15.4.2.2 Configure the Channel Control Structure
        3. 15.4.2.3 Start the Transfer
    5. 15.5 µDMA Registers
      1. 15.5.1 μDMA Registers
  16. 16Timers
    1. 16.1 General-Purpose Timers
    2. 16.2 Block Diagram
    3. 16.3 Functional Description
      1. 16.3.1 GPTM Reset Conditions
      2. 16.3.2 Timer Modes
        1. 16.3.2.1 One-Shot or Periodic Timer Mode
        2. 16.3.2.2 Input Edge-Count Mode
        3. 16.3.2.3 Input Edge-Time Mode
        4. 16.3.2.4 PWM Mode
        5. 16.3.2.5 Wait-for-Trigger Mode
      3. 16.3.3 Synchronizing GPT Blocks
      4. 16.3.4 Accessing Concatenated 16- and 32-Bit GPTM Register Values
    4. 16.4 Initialization and Configuration
      1. 16.4.1 One-Shot and Periodic Timer Modes
      2. 16.4.2 Input Edge-Count Mode
      3. 16.4.3 Input Edge-Timing Mode
      4. 16.4.4 PWM Mode
      5. 16.4.5 Producing DMA Trigger Events
    5. 16.5 GPTM Registers
      1. 16.5.1 GPT Registers
  17. 17Real-Time Clock (RTC)
    1. 17.1 Introduction
    2. 17.2 Functional Specifications
      1. 17.2.1 Functional Overview
      2. 17.2.2 Free-Running Counter
      3. 17.2.3 Channels
        1. 17.2.3.1 Capture and Compare
      4. 17.2.4 Events
    3. 17.3 RTC Register Information
      1. 17.3.1 Register Access
      2. 17.3.2 Entering Sleep and Wakeup From Sleep
      3. 17.3.3 AON_RTC:SYNC Register
    4. 17.4 RTC Registers
      1. 17.4.1 AON_RTC Registers
  18. 18Watchdog Timer (WDT)
    1. 18.1 Introduction
    2. 18.2 Functional Description
    3. 18.3 Initialization and Configuration
    4. 18.4 WDT Registers
      1. 18.4.1 WDT Registers
  19. 19True Random Number Generator (TRNG)
    1. 19.1 Introduction
    2. 19.2 Block Diagram
    3. 19.3 TRNG Software Reset
    4. 19.4 Interrupt Requests
    5. 19.5 TRNG Operation Description
      1. 19.5.1 TRNG Shutdown
      2. 19.5.2 TRNG Alarms
      3. 19.5.3 TRNG Entropy
    6. 19.6 TRNG Low-Level Programing Guide
      1. 19.6.1 Initialization
        1. 19.6.1.1 Interfacing Modules
        2. 19.6.1.2 TRNG Main Sequence
        3. 19.6.1.3 TRNG Operating Modes
          1. 19.6.1.3.1 Polling Mode
          2. 19.6.1.3.2 Interrupt Mode
    7. 19.7 TRNG Registers
      1. 19.7.1 TRNG Registers
  20. 20AUX Domain Peripherals
    1. 20.1 Introduction
      1. 20.1.1 AUX Block Diagram
    2. 20.2 Power and Clock Management
      1. 20.2.1 Operational Modes
        1. 20.2.1.1 Dual-Rate AUX Clock
      2. 20.2.2 Use Scenarios
        1. 20.2.2.1 MCU
      3. 20.2.3 SCE Clock Emulation
    3. 20.3 Digital Peripheral Modules
      1. 20.3.1 Overview
        1. 20.3.1.1 DDI Control-Configuration
      2. 20.3.2 AIODIO
        1. 20.3.2.1 Introduction
        2. 20.3.2.2 Functional Description
          1. 20.3.2.2.1 Mapping to DIO Pins
          2. 20.3.2.2.2 Configuration
          3. 20.3.2.2.3 GPIO Mode
          4. 20.3.2.2.4 Input Buffer
          5. 20.3.2.2.5 Data Output Source
      3. 20.3.3 SMPH
        1. 20.3.3.1 Introduction
        2. 20.3.3.2 Functional Description
        3. 20.3.3.3 Semaphore Allocation in TI Software
      4. 20.3.4 Time-to-Digital Converter (TDC)
        1. 20.3.4.1 Introduction
        2. 20.3.4.2 Functional Description
          1. 20.3.4.2.1 Command
          2. 20.3.4.2.2 Conversion Time Configuration
          3. 20.3.4.2.3 Status and Result
          4. 20.3.4.2.4 Clock Source Selection
            1. 20.3.4.2.4.1 Counter Clock
            2. 20.3.4.2.4.2 Reference Clock
          5. 20.3.4.2.5 Start and Stop Events
          6. 20.3.4.2.6 Prescaler
        3. 20.3.4.3 Supported Measurement Types
          1. 20.3.4.3.1 Measure Pulse Width
          2. 20.3.4.3.2 Measure Frequency
          3. 20.3.4.3.3 Measure Time Between Edges of Different Events Sources
            1. 20.3.4.3.3.1 Asynchronous Counter Start – Ignore 0 Stop Events
            2. 20.3.4.3.3.2 Synchronous Counter Start – Ignore 0 Stop Events
            3. 20.3.4.3.3.3 Asynchronous Counter Start – Ignore Stop Events
            4. 20.3.4.3.3.4 Synchronous Counter Start – Ignore Stop Events
          4. 20.3.4.3.4 Pulse Counting
      5. 20.3.5 Timer01
        1. 20.3.5.1 Introduction
        2. 20.3.5.2 Functional Description
    4. 20.4 Analog Peripheral Modules
      1. 20.4.1 Overview
        1. 20.4.1.1 ADI Control-Configuration
        2. 20.4.1.2 Block Diagram
      2. 20.4.2 Analog-to-Digital Converter (ADC)
        1. 20.4.2.1 Introduction
        2. 20.4.2.2 Functional Description
          1. 20.4.2.2.1 Input Selection and Scaling
          2. 20.4.2.2.2 Reference Selection
          3. 20.4.2.2.3 ADC Sample Mode
          4. 20.4.2.2.4 ADC Clock Source
          5. 20.4.2.2.5 ADC Trigger
          6. 20.4.2.2.6 Sample FIFO
          7. 20.4.2.2.7 µDMA Interface
          8. 20.4.2.2.8 Resource Ownership and Usage
      3. 20.4.3 COMPA
        1. 20.4.3.1 Introduction
        2. 20.4.3.2 Functional Description
          1. 20.4.3.2.1 Input Selection
          2. 20.4.3.2.2 Reference Selection
          3. 20.4.3.2.3 LPM Bias and COMPA Enable
          4. 20.4.3.2.4 Resource Ownership and Usage
      4. 20.4.4 COMPB
        1. 20.4.4.1 Introduction
        2. 20.4.4.2 Functional Description
          1. 20.4.4.2.1 Input Selection
          2. 20.4.4.2.2 Reference Selection
          3. 20.4.4.2.3 Resource Ownership and Usage
            1. 20.4.4.2.3.1 System CPU Wakeup
      5. 20.4.5 Reference DAC
        1. 20.4.5.1 Introduction
        2. 20.4.5.2 Functional Description
          1. 20.4.5.2.1 Reference Selection
          2. 20.4.5.2.2 Output Voltage Control and Range
          3. 20.4.5.2.3 Sample Clock
            1. 20.4.5.2.3.1 Automatic Phase Control
            2. 20.4.5.2.3.2 Manual Phase Control
            3. 20.4.5.2.3.3 Operational Mode Dependency
          4. 20.4.5.2.4 Output Selection
            1. 20.4.5.2.4.1 Buffer
            2. 20.4.5.2.4.2 External Load
            3. 20.4.5.2.4.3 COMPA_REF
            4. 20.4.5.2.4.4 COMPB_REF
          5. 20.4.5.2.5 LPM Bias
          6. 20.4.5.2.6 Resource Ownership and Usage
      6. 20.4.6 ISRC
        1. 20.4.6.1 Introduction
        2. 20.4.6.2 Functional Description
          1. 20.4.6.2.1 Programmable Current
          2. 20.4.6.2.2 Voltage Reference
          3. 20.4.6.2.3 ISRC Enable
          4. 20.4.6.2.4 Temperature Dependency
          5. 20.4.6.2.5 Resource Ownership and Usage
    5. 20.5 Event Routing and Usage
      1. 20.5.1 AUX Event Bus
        1. 20.5.1.1 Event Signals
        2. 20.5.1.2 Event Subscribers
          1. 20.5.1.2.1 Event Detection
            1. 20.5.1.2.1.1 Detection of Asynchronous Events
            2. 20.5.1.2.1.2 Detection of Synchronous Events
      2. 20.5.2 Event Observation on External Pin
      3. 20.5.3 Events From MCU Domain
      4. 20.5.4 Events to MCU Domain
      5. 20.5.5 Events From AON Domain
      6. 20.5.6 Events to AON Domain
      7. 20.5.7 µDMA Interface
    6. 20.6 AUX Domain Peripheral Registers
      1. 20.6.1 ADI_4_AUX Registers
      2. 20.6.2 AUX_AIODIO Registers
      3. 20.6.3 AUX_EVCTL Registers
      4. 20.6.4 AUX_SMPH Registers
      5. 20.6.5 AUX_TDC Registers
      6. 20.6.6 AUX_TIMER01 Registers
      7. 20.6.7 AUX_ANAIF Registers
      8. 20.6.8 AUX_SYSIF Registers
  21. 21Battery Monitor and Temperature Sensor (BATMON)
    1. 21.1 Introduction
    2. 21.2 Functional Description
    3. 21.3 BATMON Registers
      1. 21.3.1 AON_BATMON Registers
  22. 22Universal Asynchronous Receiver/Transmitter (UART)
    1. 22.1 Introduction
    2. 22.2 Block Diagram
    3. 22.3 Signal Description
    4. 22.4 Functional Description
      1. 22.4.1 Transmit and Receive Logic
      2. 22.4.2 Baud-rate Generation
      3. 22.4.3 Data Transmission
      4. 22.4.4 Modem Handshake Support
        1. 22.4.4.1 Signaling
        2. 22.4.4.2 Flow Control
          1. 22.4.4.2.1 Hardware Flow Control (RTS and CTS)
          2. 22.4.4.2.2 Software Flow Control (Modem Status Interrupts)
      5. 22.4.5 FIFO Operation
      6. 22.4.6 Interrupts
      7. 22.4.7 Loopback Operation
    5. 22.5 Interface to DMA
    6. 22.6 Initialization and Configuration
    7. 22.7 UART Registers
      1. 22.7.1 UART Registers
  23. 23Synchronous Serial Interface (SSI)
    1. 23.1 Introduction
    2. 23.2 Block Diagram
    3. 23.3 Signal Description
    4. 23.4 Functional Description
      1. 23.4.1 Bit Rate Generation
      2. 23.4.2 FIFO Operation
        1. 23.4.2.1 Transmit FIFO
        2. 23.4.2.2 Receive FIFO
      3. 23.4.3 Interrupts
      4. 23.4.4 Frame Formats
        1. 23.4.4.1 Texas Instruments Synchronous Serial Frame Format
        2. 23.4.4.2 Motorola SPI Frame Format
          1. 23.4.4.2.1 SPO Clock Polarity Bit
          2. 23.4.4.2.2 SPH Phase-Control Bit
        3. 23.4.4.3 Motorola SPI Frame Format With SPO = 0 and SPH = 0
        4. 23.4.4.4 Motorola SPI Frame Format With SPO = 0 and SPH = 1
        5. 23.4.4.5 Motorola SPI Frame Format With SPO = 1 and SPH = 0
        6. 23.4.4.6 Motorola SPI Frame Format With SPO = 1 and SPH = 1
        7. 23.4.4.7 MICROWIRE Frame Format
    5. 23.5 DMA Operation
    6. 23.6 Initialization and Configuration
    7. 23.7 SSI Registers
      1. 23.7.1 SSI Registers
  24. 24Inter-Integrated Circuit (I2C)
    1. 24.1 Introduction
    2. 24.2 Block Diagram
    3. 24.3 Functional Description
      1. 24.3.1 I2C Bus Functional Overview
        1. 24.3.1.1 Start and Stop Conditions
        2. 24.3.1.2 Data Format With 7-Bit Address
        3. 24.3.1.3 Data Validity
        4. 24.3.1.4 Acknowledge
        5. 24.3.1.5 Arbitration
      2. 24.3.2 Available Speed Modes
        1. 24.3.2.1 Standard and Fast Modes
      3. 24.3.3 Interrupts
        1. 24.3.3.1 I2C Master Interrupts
        2. 24.3.3.2 I2C Slave Interrupts
      4. 24.3.4 Loopback Operation
      5. 24.3.5 Command Sequence Flow Charts
        1. 24.3.5.1 I2C Master Command Sequences
        2. 24.3.5.2 I2C Slave Command Sequences
    4. 24.4 Initialization and Configuration
    5. 24.5 I2C Registers
      1. 24.5.1 I2C Registers
  25. 25Inter-IC Sound (I2S)
    1. 25.1 Introduction
    2. 25.2 Block Diagram
    3. 25.3 Signal Description
    4. 25.4 Functional Description
      1. 25.4.1 Dependencies
        1. 25.4.1.1 System CPU Deep-Sleep Mode
      2. 25.4.2 Pin Configuration
      3. 25.4.3 Serial Format Configuration
      4. 25.4.4 I2S
        1. 25.4.4.1 Register Configuration
      5. 25.4.5 Left-Justified (LJF)
        1. 25.4.5.1 Register Configuration
      6. 25.4.6 Right-Justified (RJF)
        1. 25.4.6.1 Register Configuration
      7. 25.4.7 DSP
        1. 25.4.7.1 Register Configuration
      8. 25.4.8 Clock Configuration
        1. 25.4.8.1 Internal Audio Clock Source
        2. 25.4.8.2 External Audio Clock Source
    5. 25.5 Memory Interface
      1. 25.5.1 Sample Word Length
      2. 25.5.2 Channel Mapping
      3. 25.5.3 Sample Storage in Memory
      4. 25.5.4 DMA Operation
        1. 25.5.4.1 Start-Up
        2. 25.5.4.2 Operation
        3. 25.5.4.3 Shutdown
    6. 25.6 Samplestamp Generator
      1. 25.6.1 Samplestamp Counters
      2. 25.6.2 Start-Up Triggers
      3. 25.6.3 Samplestamp Capture
      4. 25.6.4 Achieving Constant Audio Latency
    7. 25.7 Error Detection
    8. 25.8 Usage
      1. 25.8.1 Start-Up Sequence
      2. 25.8.2 Shutdown Sequence
    9. 25.9 I2S Registers
      1. 25.9.1 I2S Registers
  26. 26Radio
    1. 26.1  RF Core
      1. 26.1.1 High-Level Description and Overview
    2. 26.2  Radio Doorbell
      1. 26.2.1 Special Boot Process
      2. 26.2.2 Command and Status Register and Events
      3. 26.2.3 RF Core Interrupts
        1. 26.2.3.1 RF Command and Packet Engine Interrupts
        2. 26.2.3.2 RF Core Hardware Interrupts
        3. 26.2.3.3 RF Core Command Acknowledge Interrupt
      4. 26.2.4 Radio Timer
        1. 26.2.4.1 Compare and Capture Events
        2. 26.2.4.2 Radio Timer Outputs
        3. 26.2.4.3 Synchronization With Real-Time Clock
    3. 26.3  RF Core HAL
      1. 26.3.1 Hardware Support
      2. 26.3.2 Firmware Support
        1. 26.3.2.1 Commands
        2. 26.3.2.2 Command Status
        3. 26.3.2.3 Interrupts
        4. 26.3.2.4 Passing Data
        5. 26.3.2.5 Command Scheduling
          1. 26.3.2.5.1 Triggers
          2. 26.3.2.5.2 Conditional Execution
          3. 26.3.2.5.3 Handling Before Start of Command
        6. 26.3.2.6 Command Data Structures
          1. 26.3.2.6.1 Radio Operation Command Structure
        7. 26.3.2.7 Data Entry Structures
          1. 26.3.2.7.1 Data Entry Queue
          2. 26.3.2.7.2 Data Entry
          3. 26.3.2.7.3 Pointer Entry
          4. 26.3.2.7.4 Partial Read RX Entry
        8. 26.3.2.8 External Signaling
      3. 26.3.3 Command Definitions
        1. 26.3.3.1 Protocol-Independent Radio Operation Commands
          1. 26.3.3.1.1  CMD_NOP: No Operation Command
          2. 26.3.3.1.2  CMD_RADIO_SETUP: Set Up Radio Settings Command
          3. 26.3.3.1.3  CMD_FS_POWERUP: Power Up Frequency Synthesizer
          4. 26.3.3.1.4  CMD_FS_POWERDOWN: Power Down Frequency Synthesizer
          5. 26.3.3.1.5  CMD_FS: Frequency Synthesizer Controls Command
          6. 26.3.3.1.6  CMD_FS_OFF: Turn Off Frequency Synthesizer
          7. 26.3.3.1.7  CMD_RX_TEST: Receiver Test Command
          8. 26.3.3.1.8  CMD_TX_TEST: Transmitter Test Command
          9. 26.3.3.1.9  CMD_SYNC_STOP_RAT: Synchronize and Stop Radio Timer Command
          10. 26.3.3.1.10 CMD_SYNC_START_RAT: Synchronously Start Radio Timer Command
          11. 26.3.3.1.11 CMD_COUNT: Counter Command
          12. 26.3.3.1.12 CMD_SCH_IMM: Run Immediate Command as Radio Operation
          13. 26.3.3.1.13 CMD_COUNT_BRANCH: Counter Command With Branch of Command Chain
          14. 26.3.3.1.14 CMD_PATTERN_CHECK: Check a Value in Memory Against a Pattern
        2. 26.3.3.2 Protocol-Independent Direct and Immediate Commands
          1. 26.3.3.2.1  CMD_ABORT: ABORT Command
          2. 26.3.3.2.2  CMD_STOP: Stop Command
          3. 26.3.3.2.3  CMD_GET_RSSI: Read RSSI Command
          4. 26.3.3.2.4  CMD_UPDATE_RADIO_SETUP: Update Radio Settings Command
          5. 26.3.3.2.5  CMD_TRIGGER: Generate Command Trigger
          6. 26.3.3.2.6  CMD_GET_FW_INFO: Request Information on the Firmware Being Run
          7. 26.3.3.2.7  CMD_START_RAT: Asynchronously Start Radio Timer Command
          8. 26.3.3.2.8  CMD_PING: Respond With Interrupt
          9. 26.3.3.2.9  CMD_READ_RFREG: Read RF Core Register
          10. 26.3.3.2.10 CMD_SET_RAT_CMP: Set RAT Channel to Compare Mode
          11. 26.3.3.2.11 CMD_SET_RAT_CPT: Set RAT Channel to Capture Mode
          12. 26.3.3.2.12 CMD_DISABLE_RAT_CH: Disable RAT Channel
          13. 26.3.3.2.13 CMD_SET_RAT_OUTPUT: Set RAT Output to a Specified Mode
          14. 26.3.3.2.14 CMD_ARM_RAT_CH: Arm RAT Channel
          15. 26.3.3.2.15 CMD_DISARM_RAT_CH: Disarm RAT Channel
          16. 26.3.3.2.16 CMD_SET_TX_POWER: Set Transmit Power
          17. 26.3.3.2.17 CMD_SET_TX20_POWER: Set Transmit Power of the 20 dBm PA
          18. 26.3.3.2.18 CMD_UPDATE_FS: Set New Synthesizer Frequency Without Recalibration (Depricated)
          19. 26.3.3.2.19 CMD_MODIFY_FS: Set New Synthesizer Frequency Without Recalibration
          20. 26.3.3.2.20 CMD_BUS_REQUEST: Request System BUS Available for RF Core
      4. 26.3.4 Immediate Commands for Data Queue Manipulation
        1. 26.3.4.1 CMD_ADD_DATA_ENTRY: Add Data Entry to Queue
        2. 26.3.4.2 CMD_REMOVE_DATA_ENTRY: Remove First Data Entry From Queue
        3. 26.3.4.3 CMD_FLUSH_QUEUE: Flush Queue
        4. 26.3.4.4 CMD_CLEAR_RX: Clear All RX Queue Entries
        5. 26.3.4.5 CMD_REMOVE_PENDING_ENTRIES: Remove Pending Entries From Queue
    4. 26.4  Data Queue Usage
      1. 26.4.1 Operations on Data Queues Available Only for Internal Radio CPU Operations
        1. 26.4.1.1 PROC_ALLOCATE_TX: Allocate TX Entry for Reading
        2. 26.4.1.2 PROC_FREE_DATA_ENTRY: Free Allocated Data Entry
        3. 26.4.1.3 PROC_FINISH_DATA_ENTRY: Finish Use of First Data Entry From Queue
        4. 26.4.1.4 PROC_ALLOCATE_RX: Allocate RX Buffer for Storing Data
        5. 26.4.1.5 PROC_FINISH_RX: Commit Received Data to RX Data Entry
      2. 26.4.2 Radio CPU Usage Model
        1. 26.4.2.1 Receive Queues
        2. 26.4.2.2 Transmit Queues
    5. 26.5  IEEE 802.15.4
      1. 26.5.1 IEEE 802.15.4 Commands
        1. 26.5.1.1 IEEE 802.15.4 Radio Operation Command Structures
        2. 26.5.1.2 IEEE 802.15.4 Immediate Command Structures
        3. 26.5.1.3 Output Structures
        4. 26.5.1.4 Other Structures and Bit Fields
      2. 26.5.2 Interrupts
      3. 26.5.3 Data Handling
        1. 26.5.3.1 Receive Buffers
        2. 26.5.3.2 Transmit Buffers
      4. 26.5.4 Radio Operation Commands
        1. 26.5.4.1 RX Operation
          1. 26.5.4.1.1 Frame Filtering and Source Matching
            1. 26.5.4.1.1.1 Frame Filtering
            2. 26.5.4.1.1.2 Source Matching
          2. 26.5.4.1.2 Frame Reception
          3. 26.5.4.1.3 ACK Transmission
          4. 26.5.4.1.4 End of Receive Operation
          5. 26.5.4.1.5 CCA Monitoring
        2. 26.5.4.2 Energy Detect Scan Operation
        3. 26.5.4.3 CSMA-CA Operation
        4. 26.5.4.4 Transmit Operation
        5. 26.5.4.5 Receive Acknowledgment Operation
        6. 26.5.4.6 Abort Background-Level Operation Command
      5. 26.5.5 Immediate Commands
        1. 26.5.5.1 Modify CCA Parameter Command
        2. 26.5.5.2 Modify Frame-Filtering Parameter Command
        3. 26.5.5.3 Enable or Disable Source Matching Entry Command
        4. 26.5.5.4 Abort Foreground-Level Operation Command
        5. 26.5.5.5 Stop Foreground-Level Operation Command
        6. 26.5.5.6 Request CCA and RSSI Information Command
    6. 26.6  Bluetooth® low energy
      1. 26.6.1 Bluetooth® low energy Commands
        1. 26.6.1.1 Command Data Definitions
          1. 26.6.1.1.1 Bluetooth® low energy Command Structures
        2. 26.6.1.2 Parameter Structures
        3. 26.6.1.3 Output Structures
        4. 26.6.1.4 Other Structures and Bit Fields
      2. 26.6.2 Interrupts
    7. 26.7  Data Handling
      1. 26.7.1 Receive Buffers
      2. 26.7.2 Transmit Buffers
    8. 26.8  Radio Operation Command Descriptions
      1. 26.8.1  Bluetooth® 5 Radio Setup Command
      2. 26.8.2  Radio Operation Commands for Bluetooth® low energy Packet Transfer
      3. 26.8.3  Coding Selection for Coded PHY
      4. 26.8.4  Parameter Override
      5. 26.8.5  Link Layer Connection
      6. 26.8.6  Slave Command
      7. 26.8.7  Master Command
      8. 26.8.8  Legacy Advertiser
        1. 26.8.8.1 Connectable Undirected Advertiser Command
        2. 26.8.8.2 Connectable Directed Advertiser Command
        3. 26.8.8.3 Nonconnectable Advertiser Command
        4. 26.8.8.4 Scannable Undirected Advertiser Command
      9. 26.8.9  Bluetooth® 5 Advertiser Commands
        1. 26.8.9.1 Common Extended Advertising Packets
        2. 26.8.9.2 Extended Advertiser Command
        3. 26.8.9.3 Secondary Channel Advertiser Command
      10. 26.8.10 Scanner Commands
        1. 26.8.10.1 Scanner Receiving Legacy Advertising Packets on Primary Channel
        2. 26.8.10.2 Scanner Receiving Extended Advertising Packets on Primary Channel
        3. 26.8.10.3 Scanner Receiving Extended Advertising Packets on Secondary Channel
        4. 26.8.10.4 ADI Filtering
        5. 26.8.10.5 End of Scanner Commands
      11. 26.8.11 Initiator Command
        1. 26.8.11.1 Initiator Receiving Legacy Advertising Packets on Primary Channel
        2. 26.8.11.2 Initiator Receiving Extended Advertising Packets on Primary Channel
        3. 26.8.11.3 Initiator Receiving Extended Advertising Packets on Secondary Channel
        4. 26.8.11.4 Automatic Window Offset Insertion
        5. 26.8.11.5 End of Initiator Commands
      12. 26.8.12 Generic Receiver Command
      13. 26.8.13 PHY Test Transmit Command
      14. 26.8.14 Whitelist Processing
      15. 26.8.15 Backoff Procedure
      16. 26.8.16 AUX Pointer Processing
      17. 26.8.17 Dynamic Change of Device Address
    9. 26.9  Immediate Commands
      1. 26.9.1 Update Advertising Payload Command
    10. 26.10 Proprietary Radio
      1. 26.10.1 Packet Formats
      2. 26.10.2 Commands
        1. 26.10.2.1 Command Data Definitions
          1. 26.10.2.1.1 Command Structures
        2. 26.10.2.2 Output Structures
        3. 26.10.2.3 Other Structures and Bit Fields
      3. 26.10.3 Interrupts
      4. 26.10.4 Data Handling
        1. 26.10.4.1 Receive Buffers
        2. 26.10.4.2 Transmit Buffers
      5. 26.10.5 Radio Operation Command Descriptions
        1. 26.10.5.1 End of Operation
        2. 26.10.5.2 Proprietary Mode Setup Command
          1. 26.10.5.2.1 IEEE 802.15.4g Packet Format
        3. 26.10.5.3 Transmitter Commands
          1. 26.10.5.3.1 Standard Transmit Command, CMD_PROP_TX
          2. 26.10.5.3.2 Advanced Transmit Command, CMD_PROP_TX_ADV
        4. 26.10.5.4 Receiver Commands
          1. 26.10.5.4.1 Standard Receive Command, CMD_PROP_RX
          2. 26.10.5.4.2 Advanced Receive Command, CMD_PROP_RX_ADV
        5. 26.10.5.5 Carrier-Sense Operation
          1. 26.10.5.5.1 Common Carrier-Sense Description
          2. 26.10.5.5.2 Carrier-Sense Command, CMD_PROP_CS
          3. 26.10.5.5.3 Sniff Mode Receiver Commands, CMD_PROP_RX_SNIFF and CMD_PROP_RX_ADV_SNIFF
      6. 26.10.6 Immediate Commands
        1. 26.10.6.1 Set Packet Length Command, CMD_PROP_SET_LEN
        2. 26.10.6.2 Restart Packet RX Command, CMD_PROP_RESTART_RX
    11. 26.11 Radio Registers
      1. 26.11.1 RFC_RAT Registers
      2. 26.11.2 RFC_DBELL Registers
      3. 26.11.3 RFC_PWR Registers
        1.       Revision History
  27. IMPORTANT NOTICE
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TECHNICAL REFERENCE

CC13x1x3, CC26x1x3 SimpleLink™ Wireless MCU

1 Read This First

This technical reference manual provides information about how to use the CC13x1x3 and CC26x1x3SimpleLink™ ultra-low power wireless microcontroller (MCU). The CC26x1x3 and the CC13x1x3 device platforms share the same MCU architecture and most of the peripherals. The radio in the CC26x1x3 device operates in the 2.4 GHz ISM frequency band while the radio in the CC13x1x3 device is designed for use in the Sub-1 GHz frequency bands. This document covers the whole platform of devices, so refer to the individual device data sheets for supported modules and features.

About This Manual

This document is organized into sections that correspond to each major feature; it explains the features and functionality of each module and how to use them. For each feature, references are provided for the driver documentation of the corresponding operating systems. This document does not contain performance characteristics of the device or modules, which are gathered in the corresponding device data sheets. This manual is intended for system software developers, hardware designers, and application developers.

Devices

The CC13x1x3 and CC26x1x3 device platform includes both 2.4 GHz (CC26x1x3) and
Sub-1 GHz (CC13x1x3) radios along with a variety of different memory sizes, peripherals, and package options. All devices are centered around an Arm®Cortex®-M4 series processor that handles the application layer and protocol stack, as well as an autonomous radio core centered around an Arm® Cortex®-M0 processor that handles all the low-level radio control and processing. Network processor options are available.

The availability of a wide range of different radio and MCU system combinations makes these device families well suited for almost any low-power RF node implementation.

Register, Field, and Bit Calls

The naming convention applied for a call consists of:

  • For a register call: <Module name>.<Register name>; for example: UART.UASR
  • For a bit field call:
    • <Module name>.<Register name>[End:Start] <Field name> field; for example, UART.UASR[4:0] SPEED bit field
    • <Field name> field <Module name>.<Register name>[End:Start]; for example, SPEED bit field UART.UASR[4:0]
  • For a bit call:
    • <Module name>.<Register name>[pos] <Bit name> bit; for example, UART.UASR[5] BIT_BY_CHAR bit
    • <Bit name> bit <Module name>.<Register name>[pos]; for example, BIT_BY_CHAR bit UART.UASR[5]

Related Documentation

The following related documents are available on the CC13x1x3 and CC26x1x3 device product pages at www.ti.com:

  1. CC1311:
    • CC1311R3 data sheet and errata (Technical Documents)

    • CC1311P3 data sheet and errata (Technical Documents)

  2. CC2651:
    • CC2651R3 data sheet and errata (Technical Documents)

    • CC2651P3 datasheet and errata (Technical Documents)

  3. Cortex-M3/M4F Instruction Set Technical User's Manual
    Note:

    This list of documents was current as of publication date. Check the website for additional documentation, application notes, and white papers.

    Additional, related documentation follows:

  4. The Institute of Electrical and Electronic Engineers, Inc., IEEE Standard Test Access Port and Boundary Scan Architecture, IEEE Std 1149.1a 1993 and Supplement Std. 1149.1b 1994 (see IEEExplore.ieee.org)
  5. The Institute of Electrical and Electronic Engineers, Inc., IEEE 1149.7 Standard for Reduced-Pin and Enhanced-Functionality Test Access Port and Boundary-Scan Architecture (see IEEExplore.ieee.org)
  6. National Institute of Standards and Technology, NIST Special Publication 800-38A, Recommendation for Block Cipher Modes of Operation Methods and Techniques (see NIST.gov)
  7. National Institute of Standards and Technology, NIST Special Publication 800-38D, Recommendation for Block Cipher Modes of Operation: Galois/Counter Mode (GCM) and GMAC (see NIST.gov)
  8. National Institute of Standards and Technology, FIPS 197, Advanced Encryption Standard (AES) (see NIST.gov)
  9. Bluetooth SIG, Inc., Bluetooth Specification versions 4.0, 4.1, 4.2, and 5.0 (see Bluetooth.com)

  10. Cortex -M4 Devices Generic User Guide (see documentation at Arm.com)

  11. Arm®v7-M Architecture Reference Manual (see documentation at Arm.com)
  12. Arm® Debug Interface V5 Architecture Specification (see documentation at Arm.com)

1.1 Trademarks

SimpleLink and EnergyTrace are trademarks of Texas Instruments.

CoreSight is a trademark of Arm Limited (or its subsidiaries).

Motorola is a trademark of Motorola Trademark Holdings, LLC.

Arm and Cortex are registered trademarks of Arm Limited (or its subsidiaries) in the US and/or elsewhere.

Thumb, Arm7, AMBA, and PrimeCell are registered trademarks of Arm Limited (or its subsidiaries).

Zigbee is a registered trademark of Zigbee Alliance.

All trademarks are the property of their respective owners.

2 Architectural Overview

The CC13x1x3 and CC26x1x3 device platform of the SimpleLink™ ultra-low-power wireless MCUs provides solutions for a wide range of applications. To help the user develop these applications, this user's guide focuses on the use of the different building blocks of the devices. For detailed device descriptions, complete feature lists, and performance numbers, see the data sheet for the specific device. The following subsections provide easy access to relevant information and guide the reader to the different chapters in this document.

The device platform system-on-chips (SoCs) are optimized for ultra-low power, while providing fast and capable MCU systems to enable short processing times and high integration. The combination of an Arm® Cortex®-M4 processing core up to 48 MHz, flash memory, and a wide selection of peripherals makes the CC13x1x3 and CC26x1x3 device platform specifically designed for single-chip implementation or network processor implementations of lower-power RF nodes.

2.1 Target Applications

The CC13x1x3 and CC26x1x3 SimpleLink™ ultra-low-power wireless MCU platform is positioned for low-power wireless applications, such as:

  • Consumer electronics
  • Mobile phone accessories
  • Sports and fitness equipment
  • HID applications
  • Home and building automation
  • Lighting control
  • Alarm and security
  • Electronic shelf labeling
  • Proximity tags
  • Medical
  • Remote controls
  • Smart metering
  • Asset tracking
  • Wireless sensor networks

2.2 Overview

Figure 2-1 shows the building blocks of the CC13x1x3 and CC26x1x3 device platform.

The CC13x1x3 and CC26x1x3 device platform has the following features:

  • Arm® Cortex®-M4 processor core
    • 48 MHz RC oscillator and 48 MHz crystal oscillator
    • 32 kHz crystal oscillator, 32 kHz RC oscillator, or low-power 48 MHz crystal derive clock for timing maintenance while in low-power modes
    • Arm® Cortex® SysTick timer
    • Nested vectored interrupt controller (NVIC)
  • On-chip memory
    • 352 kB of Flash with 8 kB of 4-way set-associative cache RAM for speed and low power
    • 32 kB of System RAM with configurable retention in 16 kB blocks
  • Power management
    • Wide supply voltage range
    • Efficient on-chip DC/DC converter for reduced power consumption
    • High granularity clock gating and power gating of device parts
    • Flexible frequency of operation
      • Flexible low-power modes allowing low energy consumption in duty cycled applications

GUID-20211115-SS0I-GKD0-962S-WX94BM3MGWXC-low.gifFigure 2-1 CC13x1x3 and CC26x1x3 Block Diagram

  • Advanced serial integration
    • Universal asynchronous receiver/transmitter (UART)
    • Inter-integrated circuit (I2C) module
    • Synchronous serial interface module (SSI)
  • System integration
    • Direct memory access (DMA) controller
    • Four 32-bit timers (up to eight 16-bit) with pulse width modulation (PWM) capability and synchronization
    • 12-bit analog-to-digital converter (ADC) with eight analog input channels
    • Low-power analog comparator
    • 32 kHz real-time clock (RTC)
    • Watchdog timer
    • On-chip temperature and supply voltage sensing
    • GPIO with normal or high-drive capabilities
    • GPIOs with analog capability for ADC and comparator
    • Fully flexible digital pin muxing allows use as GPIO or any peripheral function
  • IEEE 1149.7 compliant 2-pin cJTAG with legacy 1149.1 JTAG support
  • 7 mm × 7 mm and 5 mm × 5 mm VQFN package

For applications requiring extreme conservation of power, the CC13x1x3 and CC26x1x3 device platform features a power-management system to efficiently power down the devices to a low-power state during extended periods of inactivity. A power-up and power-down sequencer, a 32-bit sleep timer (an RTC), with interrupt and 32 kB of ultra-low-leakage (ULL) RAM with retention in all power modes positions the MCU perfectly for battery applications.

In addition, the CC13x1x3 and CC26x1x3 device platform offers the advantages of the widely available development tools of Arm®, SoC infrastructure IP applications, and a large user community. Additionally, the microcontroller uses Arm Thumb®-compatible Thumb-2 instruction set to reduce memory requirements and, thereby, cost.

TI offers a complete solution to get to market quickly, with evaluation and development boards, white papers and application notes, an easy-to-use peripheral driver library, and a strong support, sales, and distributor network.

2.3 Functional Overview

The following subsections provide an overview of the features of the CC13x1x3 and CC26x1x3 device platform.

2.3.1 Arm® Cortex®-M4

The following subsections provide an overview of the Arm® Cortex®-M4 processor core and instruction set, the integrated system timer (SysTick), and the NVIC.

2.3.1.1 Processor Core

The CC13x1x3 and CC26x1x3 device platform is designed around an Arm® Cortex®-M4 processor core. The Arm® Cortex®-M4 processor provides the core for a high-performance, low-cost platform that meets the needs of minimal memory implementation, reduced pin count, and low power consumption, while delivering outstanding computational performance and exceptional system response to interrupts.

Features of the processor core are as follows:

  • 32-bit Arm® Cortex®-M4 architecture optimized for small-footprint embedded applications
  • Outstanding processing performance combined with fast interrupt handling
  • Thumb-2 mixed 16- and 32-bit instruction set delivers the high performance expected of a 32-bit Arm® core in a compact memory size, usually associated with 8- and 16-bit devices, typically in the range of a few kilobytes of memory for microcontroller-class applications.
    • Single-cycle multiply instruction and hardware divide
    • Atomic bit manipulation (bit-banding), delivering maximum memory use and streamlined peripheral control
    • Unaligned data access, enabling efficient packing of data into memory
  • Fast code execution permits slower processor clock or increases sleep mode time
  • Harvard architecture characterized by separate buses for instruction and data
  • Efficient processor core, system, and memories
  • Hardware division and fast multiplier
  • Deterministic, high-performance interrupt handling for time-critical applications
  • Enhanced system debug with extensive breakpoint capabilities and debugging through power modes
  • Compact JTAG interface reduces the number of pins required for debugging
  • Ultra-low power consumption with integrated sleep modes
  • Up to 48 MHz operation

2.3.1.2 System Timer (SysTick)

The Arm® Cortex®-M4 processor includes an integrated system timer (SysTick). SysTick provides a simple, 24-bit, clear-on-write, decrementing, wrap-on-zero counter with a flexible control mechanism. The counter can be used in several different ways; for example:

  • An RTOS tick timer that fires at a programmable rate (for example, 100 Hz) and invokes a SysTick routine
  • A high-speed alarm timer using system clock 11
  • A variable rate alarm or signal timer—the duration is range-dependent on the reference clock used and the dynamic range of the counter
  • A simple counter used to measure time to completion and time used
  • An internal clock-source control based on missing or meeting durations

2.3.1.3 Nested Vector Interrupt Controller (NVIC)

The CC13x1x3 and CC26x1x3 device controller includes the Arm® NVIC. The NVIC and Arm® Cortex®-M4 prioritize and handle all exceptions in handler mode. The processor state is automatically stored to the stack on an exception and automatically restored from the stack at the end of the interrupt service routine (ISR). The interrupt vector is fetched in parallel to state saving, thus enabling efficient interrupt entry. The processor supports tail-chaining, that is, back-to-back interrupts can be performed without the overhead of state saving and restoration. Software can set eight priority levels on seven exceptions (system handlers) and can set device interrupts.

Features of the NVIC are as follows:

  • Deterministic, fast interrupt processing
    • Always 12 cycles, or just 6 cycles with tail-chaining
  • External nonmaskable interrupt (NMI) signal available for immediate execution of NMI handler for safety-critical applications
  • Dynamically reprioritizable interrupts
  • Exceptional interrupt handling through hardware implementation of required register manipulations

2.3.1.4 System Control Block

The system control block (SCB) provides system implementation information and system control (configuration, control, and reporting of system exceptions).

2.3.2 On-Chip Memory

The following subsections describe the on-chip memory modules.

2.3.2.1 SRAM

The CC13x1x3 and CC26x1x3 device platform provides 32 kB of low-leakage, on-chip SRAM with optional retention in all power modes. Retention can be configured per 16 kB block. Additionally, the 8 kB flash cache RAM can be reconfigured to operate as normal system RAM. Because read-modify-write (RMW) operations are very time consuming, Arm® has introduced bit-banding technology in the Arm® Cortex®-M4 processor. With a bit-band-enabled processor, certain regions in the memory map (SRAM and peripheral space) can use address aliases to access individual bits in a single, atomic operation.

Data can be transferred to and from the SRAM using the micro DMA (µDMA) controller.

2.3.2.2 Flash Memory

The flash block provides an in-circuit, programmable, nonvolatile program memory for the device. The 352 kB of flash memory is organized as a set of 8 kB pages that can be individually erased. Erasing a block causes the entire contents of the block to be reset to all 1s. These pages can be individually protected. Read-only blocks cannot be erased or programmed, protecting the contents of those blocks from being modified. In addition to holding program code and constants, the nonvolatile memory allows the application to save data that must be preserved so that it is available after restarting the device. Using this feature lets the user use saved network-specific data to avoid the need for a full start-up and network find-and-join process.

2.3.2.3 ROM

The ROM is preprogrammed with a boot sequence, device driver functions, low-level protocol stack components, and a serial bootloader (SPI or UART).

2.3.3 Radio

The CC26x1x3 device provides a highly integrated low-power 2.4 GHz radio transceiver with support for multiple modulations and packet formats. The CC13x1x3 device provides similar functionality optimized for the Sub-1 GHz bands. The radio subsystem provides an interface between the MCU and the radio, which makes it possible to issue commands, read status, also automate and sequence radio events.

2.3.4 Security Core

The security core of the CC13x1x3 and CC26x1x3 device platform features an Advanced Encryption Standard (AES) module with 128-bit key support, local key storage and DMA capability.

Features of the AES engine are as follows:

  • ECB, CBC, CBC-MAC, CTR and CCM modes of operation
  • 118 Mbps throughput
  • Secure key storage memory
  • Low latency

2.3.5 General-Purpose Timers

General-purpose timers can be used to count or time external events that drive the timer-input pins. Each 16- or 32-bit GPTM block provides two 16-bit timers or counters that can be configured to operate independently as timers or event counters, or configured to operate as one 32-bit timer.

The general-purpose timer module (GPTM) contains four 16- or 32-bit GPTM blocks with the following functional options:

  • 16- or 32-bit operating modes:
    • 16- or 32-bit programmable one-shot timer
    • 16- or 32-bit programmable periodic timer
    • 16-bit general-purpose timer with an 8-bit prescaler
    • 16-bit input-edge count- or time-capture modes with an 8-bit prescaler
    • 16-bit PWM mode with an 8-bit prescaler and software-programmable output inversion of the PWM signal
  • Count up or down
  • Four 32-bit counters or up to eight 16-bit counters
  • Up to eight capture/compare pins
  • Up to four PWM pins (one PWM pin per 32-bit timer)
  • Daisy-chaining of timer modules allows a single timer to initiate multiple timing events
  • Timer synchronization allows selected timers to start counting on the same clock cycle
  • User-enabled stalling when the microcontroller asserts CPU halt flag during debug
  • Ability to determine the elapsed time between the assertion of the timer interrupt and entry into the ISR
  • Efficient transfers using the µDMA controller

2.3.5.1 Watchdog Timer

The watchdog timer is used to regain control when the system fails because of a software error or an external device fails to respond properly. The watchdog timer can generate an interrupt or a reset when a predefined time-out value is reached.

 
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