ZHCSA18F March   2009  – February 2021 TMS320C28341 , TMS320C28342 , TMS320C28343 , TMS320C28343-Q1 , TMS320C28344 , TMS320C28345 , TMS320C28346 , TMS320C28346-Q1

PRODUCTION DATA  

  1. 1 特性
  2. 2 应用
  3. 3 说明
    1. 3.1 Functional Block Diagram
  4. 4 Revision History
  5. 5 Device Comparison
    1. 5.1 Related Products
  6. 6 Terminal Configuration and Functions
    1. 6.1 Pin Diagrams
    2. 6.2 Signal Descriptions
  7. 7 Specifications
    1. 7.1 Absolute Maximum Ratings (1) (1)
    2. 7.2 ESD Ratings – Automotive
    3. 7.3 ESD Ratings – Commercial
    4. 7.4 Recommended Operating Conditions
    5. 7.5 Power Consumption Summary
      1. 7.5.1 TMS320C28346/C28344 (1) Current Consumption by Power-Supply Pins at 300-MHz SYSCLKOUT
      2. 7.5.2 TMS320C28345/C28343 (1) Current Consumption by Power-Supply Pins at 200-MHz SYSCLKOUT
      3. 7.5.3 Reducing Current Consumption
    6. 7.6 Electrical Characteristics
    7. 7.7 Thermal Resistance Characteristics
      1. 7.7.1 ZHH Package
      2. 7.7.2 ZFE Package
    8. 7.8 Thermal Design Considerations
    9. 7.9 Timing and Switching Characteristics
      1. 7.9.1 Timing Parameter Symbology
        1. 7.9.1.1 General Notes on Timing Parameters
        2. 7.9.1.2 Test Load Circuit
        3. 7.9.1.3 Device Clock Table
          1. 7.9.1.3.1 Clocking and Nomenclature (300-MHz Devices)
          2. 7.9.1.3.2 Clocking and Nomenclature (200-MHz Devices)
      2. 7.9.2 Power Sequencing
        1. 7.9.2.1 Power Management and Supervisory Circuit Solutions
        2. 7.9.2.2 Reset ( XRS) Timing Requirements
      3. 7.9.3 Clock Requirements and Characteristics
        1. 7.9.3.1 XCLKIN/X1 Timing Requirements – PLL Enabled
        2. 7.9.3.2 XCLKIN/X1 Timing Requirements – PLL Disabled
        3. 7.9.3.3 XCLKOUT Switching Characteristics (PLL Bypassed or Enabled) (1) (1)
        4. 7.9.3.4 Timing Diagram
      4. 7.9.4 Peripherals
        1. 7.9.4.1 General-Purpose Input/Output (GPIO)
          1. 7.9.4.1.1 GPIO - Output Timing
            1. 7.9.4.1.1.1 General-Purpose Output Switching Characteristics
          2. 7.9.4.1.2 GPIO - Input Timing
            1. 7.9.4.1.2.1 General-Purpose Input Timing Requirements
          3. 7.9.4.1.3 Sampling Window Width for Input Signals
          4. 7.9.4.1.4 Low-Power Mode Wakeup Timing
            1. 7.9.4.1.4.1 IDLE Mode Timing Requirements (1)
            2. 7.9.4.1.4.2 IDLE Mode Switching Characteristics (1)
            3. 7.9.4.1.4.3 IDLE Mode Timing Diagram
            4. 7.9.4.1.4.4 STANDBY Mode Timing Requirements
            5. 7.9.4.1.4.5 STANDBY Mode Switching Characteristics
            6. 7.9.4.1.4.6 STANDBY Mode Timing Diagram
            7. 7.9.4.1.4.7 HALT Mode Timing Requirements
            8. 7.9.4.1.4.8 HALT Mode Switching Characteristics
            9. 7.9.4.1.4.9 HALT Mode Timing Diagram
        2. 7.9.4.2 Enhanced Control Peripherals
          1. 7.9.4.2.1 Enhanced Pulse Width Modulator (ePWM) Timing
            1. 7.9.4.2.1.1 ePWM Timing Requirements (1)
            2. 7.9.4.2.1.2 ePWM Switching Characteristics
          2. 7.9.4.2.2 Trip-Zone Input Timing
            1. 7.9.4.2.2.1 Trip-Zone Input Timing Requirements (1)
          3. 7.9.4.2.3 High-Resolution PWM Timing
            1. 7.9.4.2.3.1 High-Resolution PWM Characteristics at SYSCLKOUT = (150–300 MHz)
          4. 7.9.4.2.4 Enhanced Capture (eCAP) Timing
            1. 7.9.4.2.4.1 Enhanced Capture (eCAP) Timing Requirements (1)
            2. 7.9.4.2.4.2 eCAP Switching Characteristics
          5. 7.9.4.2.5 Enhanced Quadrature Encoder Pulse (eQEP) Timing
            1. 7.9.4.2.5.1 Enhanced Quadrature Encoder Pulse (eQEP) Timing Requirements (1)
            2. 7.9.4.2.5.2 eQEP Switching Characteristics
          6. 7.9.4.2.6 ADC Start-of-Conversion Timing
            1. 7.9.4.2.6.1 External ADC Start-of-Conversion Switching Characteristics
            2. 7.9.4.2.6.2 ADCSOCAO or ADCSOCBO Timing
        3. 7.9.4.3 External Interrupt Timing
          1. 7.9.4.3.1 External Interrupt Timing Requirements (1)
          2. 7.9.4.3.2 External Interrupt Switching Characteristics (1)
          3. 7.9.4.3.3 External Interrupt Timing Diagram
        4. 7.9.4.4 I2C Electrical Specification and Timing
          1. 7.9.4.4.1 I2C Timing
        5. 7.9.4.5 Serial Peripheral Interface (SPI) Timing
          1. 7.9.4.5.1 Master Mode Timing
            1. 7.9.4.5.1.1 SPI Master Mode External Timing (Clock Phase = 0) (1) (1) (1) (1) (1)
            2. 7.9.4.5.1.2 SPI Master Mode External Timing (Clock Phase = 1) (1) (1) (1) (1) (1)
          2. 7.9.4.5.2 Slave Mode Timing
            1. 7.9.4.5.2.1 SPI Slave Mode External Timing (Clock Phase = 0) (1) (1) (1) (1) (1)
            2. 7.9.4.5.2.2 SPI Slave Mode External Timing (Clock Phase = 1) (1) (1) (1) (1)
        6. 7.9.4.6 Multichannel Buffered Serial Port (McBSP) Timing
          1. 7.9.4.6.1 McBSP Transmit and Receive Timing
            1. 7.9.4.6.1.1 McBSP Timing Requirements (1) (1)
            2. 7.9.4.6.1.2 McBSP Switching Characteristics (1) (1)
          2. 7.9.4.6.2 McBSP as SPI Master or Slave Timing
            1. 7.9.4.6.2.1 McBSP as SPI Master or Slave Timing Requirements (CLKSTP = 10b, CLKXP = 0) (1)
            2. 7.9.4.6.2.2 McBSP as SPI Master or Slave Switching Characteristics (CLKSTP = 10b, CLKXP = 0)
            3. 7.9.4.6.2.3 McBSP as SPI Master or Slave Timing Requirements (CLKSTP = 11b, CLKXP = 0) (1)
            4. 7.9.4.6.2.4 McBSP as SPI Master or Slave Switching Characteristics (CLKSTP = 11b, CLKXP = 0)
            5. 7.9.4.6.2.5 McBSP as SPI Master or Slave Timing Requirements (CLKSTP = 10b, CLKXP = 1) (1)
            6. 7.9.4.6.2.6 McBSP as SPI Master or Slave Switching Characteristics (CLKSTP = 10b, CLKXP = 1)
            7. 7.9.4.6.2.7 McBSP as SPI Master or Slave Timing Requirements (CLKSTP = 11b, CLKXP = 1) (1)
            8. 7.9.4.6.2.8 McBSP as SPI Master or Slave Switching Characteristics (CLKSTP = 11b, CLKXP = 1) (1)
      5. 7.9.5 Emulator Connection Without Signal Buffering for the MCU
      6. 7.9.6 External Interface (XINTF) Timing
        1. 7.9.6.1 USEREADY = 0
        2. 7.9.6.2 Synchronous Mode (USEREADY = 1, READYMODE = 0)
        3. 7.9.6.3 Asynchronous Mode (USEREADY = 1, READYMODE = 1)
        4. 7.9.6.4 XINTF Signal Alignment to XCLKOUT
        5. 7.9.6.5 External Interface Read Timing
          1. 7.9.6.5.1 External Interface Read Timing Requirements
          2. 7.9.6.5.2 External Interface Read Switching Characteristics
        6. 7.9.6.6 External Interface Write Timing
          1. 7.9.6.6.1 External Interface Write Switching Characteristics
        7. 7.9.6.7 External Interface Ready-on-Read Timing With One External Wait State
          1. 7.9.6.7.1 External Interface Read Switching Characteristics (Ready-on-Read, One Wait State)
          2. 7.9.6.7.2 External Interface Read Timing Requirements (Ready-on-Read, One Wait State)
          3. 7.9.6.7.3 Synchronous XREADY Timing Requirements (Ready-on-Read, One Wait State) (1)
          4. 7.9.6.7.4 Asynchronous XREADY Timing Requirements (Ready-on-Read, One Wait State)
        8. 7.9.6.8 External Interface Ready-on-Write Timing With One External Wait State
          1. 7.9.6.8.1 External Interface Write Switching Characteristics (Ready-on-Write, One Wait State)
          2. 7.9.6.8.2 Synchronous XREADY Timing Requirements (Ready-on-Write, One Wait State) Table 1-1
          3. 7.9.6.8.3 Asynchronous XREADY Timing Requirements (Ready-on-Write, One Wait State) (1)
        9. 7.9.6.9 XHOLD and XHOLDA Timing
          1. 7.9.6.9.1 XHOLD/ XHOLDA Timing Requirements (1) (1) (1)
  8. 8 Detailed Description
    1. 8.1 Brief Descriptions
      1. 8.1.1  C28x CPU
      2. 8.1.2  Memory Bus (Harvard Bus Architecture)
      3. 8.1.3  Peripheral Bus
      4. 8.1.4  Real-Time JTAG and Analysis
      5. 8.1.5  External Interface (XINTF)
      6. 8.1.6  M0, M1 SARAMs
      7. 8.1.7  L0, L1, L2, L3, L4, L5, L6, L7, H0, H1, H2, H3, H4, H5 SARAMs
      8. 8.1.8  Boot ROM
      9. 8.1.9  Security
      10. 8.1.10 Peripheral Interrupt Expansion (PIE) Block
      11. 8.1.11 External Interrupts (XINT1–XINT7, XNMI)
      12. 8.1.12 Oscillator and PLL
      13. 8.1.13 Watchdog
      14. 8.1.14 Peripheral Clocking
      15. 8.1.15 Low-Power Modes
      16. 8.1.16 Peripheral Frames 0, 1, 2, 3 (PFn)
      17. 8.1.17 General-Purpose Input/Output (GPIO) Multiplexer
      18. 8.1.18 32-Bit CPU-Timers (0, 1, 2)
      19. 8.1.19 Control Peripherals
      20. 8.1.20 Serial Port Peripherals
    2. 8.2 Peripherals
      1. 8.2.1  DMA Overview
      2. 8.2.2  32-Bit CPU-Timer 0, CPU-Timer 1, CPU-Timer 2
      3. 8.2.3  Enhanced PWM Modules
      4. 8.2.4  High-Resolution PWM (HRPWM)
      5. 8.2.5  Enhanced CAP Modules
      6. 8.2.6  Enhanced QEP Modules
      7. 8.2.7  External ADC Interface
      8. 8.2.8  Multichannel Buffered Serial Port (McBSP) Module
      9. 8.2.9  Enhanced Controller Area Network (eCAN) Modules (eCAN-A and eCAN-B)
      10. 8.2.10 Serial Communications Interface (SCI) Modules (SCI-A, SCI-B, SCI-C)
      11. 8.2.11 Serial Peripheral Interface (SPI) Module (SPI-A, SPI-D)
      12. 8.2.12 Inter-Integrated Circuit (I2C)
      13. 8.2.13 GPIO MUX
      14. 8.2.14 External Interface (XINTF)
    3. 8.3 Memory Maps
    4. 8.4 Register Map
      1. 8.4.1 Device Emulation Registers
    5. 8.5 Interrupts
      1. 8.5.1 External Interrupts
    6. 8.6 System Control
      1. 8.6.1 OSC and PLL Block
        1. 8.6.1.1 External Reference Oscillator Clock Option
        2. 8.6.1.2 PLL-Based Clock Module
        3. 8.6.1.3 Loss of Input Clock
      2. 8.6.2 Watchdog Block
    7. 8.7 Low-Power Modes Block
  9. 9 Applications, Implementation, and Layout
    1. 9.1 TI Design or Reference Design
  10. 10Device and Documentation Support
    1. 10.1 Getting Started
    2. 10.2 Device and Development Support Tool Nomenclature
    3. 10.3 Tools and Software
    4. 10.4 Documentation Support
    5. 10.5 支持资源
    6. 10.6 Trademarks
    7. 10.7 静电放电警告
    8. 10.8 术语表
  11. 11Mechanical, Packaging, and Orderable Information
    1. 11.1 Packaging Information

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7.9.4.6.1.2 McBSP Switching Characteristics(1) (2)
NO.PARAMETERMINMAXUNIT
M1tc(CKRX)Cycle time, CLKR/XCLKR/X int2Pns
M2tw(CKRXH)Pulse duration, CLKR/X highCLKR/X intD – 2 (3)D + 2 (3)ns
M3tw(CKRXL)Pulse duration, CLKR/X lowCLKR/X intC – 2 (3)C + 2 (3)ns
M4td(CKRH-FRV)Delay time, CLKR high to internal FSR validCLKR int04ns
CLKR ext320
M5td(CKXH-FXV)Delay time, CLKX high to internal FSX validCLKX int04ns
CLKX ext320
M6tdis(CKXH-DXHZ)Disable time, CLKX high to DX high impedance following last data bitCLKX int8ns
CLKX ext14
M7td(CKXH-DXV)Delay time, CLKX high to DX valid.CLKX int4ns
This applies to all bits except the first bit transmitted.CLKX ext20
Delay time, CLKX high to DX validDXENA = 0CLKX int4
CLKX ext20
Only applies to first bit transmitted when in Data Delay 1 or 2 (XDATDLY=01b or 10b) modesDXENA = 1CLKX intP + 4
CLKX extP + 20
M8ten(CKXH-DX)Enable time, CLKX high to DX drivenDXENA = 0CLKX int0ns
CLKX ext10
Only applies to first bit transmitted when in Data Delay 1 or 2 (XDATDLY=01b or 10b) modesDXENA = 1CLKX intP
CLKX extP + 10
M9td(FXH-DXV)Delay time, FSX high to DX validDXENA = 0FSX int4ns
FSX ext16
Only applies to first bit transmitted when in Data Delay 0 (XDATDLY=00b) mode.DXENA = 1FSX intP + 4
FSX extP + 16
M10ten(FXH-DX)Enable time, FSX high to DX drivenDXENA = 0FSX int0ns
FSX ext6
Only applies to first bit transmitted when in Data Delay 0 (XDATDLY=00b) modeDXENA = 1FSX intP
FSX extP + 6
(1) Polarity bits CLKRP = CLKXP = FSRP = FSXP = 0. If the polarity of any of the signals is inverted, then the timing references of that signal are also inverted.
(2) 2P = 1/CLKG in ns.
(3) C = CLKRX low pulse width = P
D = CLKRX high pulse width = P
GUID-D7D1A92A-743A-4835-A182-C6DF0A8CABF2-low.gifFigure 7-20 McBSP Receive Timing
GUID-DC3E7701-0310-4BCD-80D8-4563742A581F-low.gifFigure 7-21 McBSP Transmit Timing