ZHCSJ46F December   2016  – December 2018 DRA74P , DRA75P

ADVANCE INFORMATION for pre-production products; subject to change without notice.  

  1. 1器件概述
    1. 1.1 特性
    2. 1.2 应用
    3. 1.3 说明
    4. 1.4 功能方框图
  2. 2修订历史记录
  3. 3Device Comparison
    1. 3.1 Device Comparison Table
    2. 3.2 Related Products
  4. 4Terminal Configuration and Functions
    1. 4.1 Pin Diagram
    2. 4.2 Pin Attributes
    3. 4.3 Signal Descriptions
      1. 4.3.1  VIP
      2. 4.3.2  DSS
      3. 4.3.3  HDMI
      4. 4.3.4  EMIF
      5. 4.3.5  GPMC
      6. 4.3.6  Timers
      7. 4.3.7  I2C
      8. 4.3.8  HDQ1W
      9. 4.3.9  UART
      10. 4.3.10 McSPI
      11. 4.3.11 QSPI
      12. 4.3.12 McASP
      13. 4.3.13 USB
      14. 4.3.14 SATA
      15. 4.3.15 PCIe
      16. 4.3.16 DCAN and MCAN
      17. 4.3.17 GMAC_SW
      18. 4.3.18 MLB
      19. 4.3.19 eMMC/SD/SDIO
      20. 4.3.20 GPIO
      21. 4.3.21 KBD
      22. 4.3.22 PWM
      23. 4.3.23 ATL
      24. 4.3.24 Test Interfaces
      25. 4.3.25 System and Miscellaneous
        1. 4.3.25.1 Sysboot
        2. 4.3.25.2 PRCM
        3. 4.3.25.3 RTC
        4. 4.3.25.4 SDMA
        5. 4.3.25.5 INTC
        6. 4.3.25.6 Observability
        7. 4.3.25.7 Power Supplies
    4. 4.4 Pin Multiplexing
    5. 4.5 Connections for Unused Pins
  5. 5Specifications
    1. 5.1  Absolute Maximum Ratings
    2. 5.2  ESD Ratings
    3. 5.3  Power-On Hours (POH)
    4. 5.4  Recommended Operating Conditions
    5. 5.5  Operating Performance Points
      1. 5.5.1 AVS and ABB Requirements
      2. 5.5.2 Voltage And Core Clock Specifications
      3. 5.5.3 Maximum Supported Frequency
    6. 5.6  Power Consumption Summary
    7. 5.7  Electrical Characteristics
      1. Table 5-6  LVCMOS DDR DC Electrical Characteristics
      2. Table 5-7  Dual Voltage LVCMOS I2C DC Electrical Characteristics
      3. Table 5-8  IQ1833 Buffers DC Electrical Characteristics
      4. Table 5-9  IHHV1833 Buffers DC Electrical Characteristics
      5. Table 5-10 LVCMOS OSC Buffers DC Electrical Characteristics
      6. Table 5-11 BMLB18 Buffers DC Electrical Characteristics
      7. Table 5-12 BC1833IHHV Buffers DC Electrical Characteristics
      8. Table 5-13 Dual Voltage SDIO1833 DC Electrical Characteristics
      9. Table 5-14 Dual Voltage LVCMOS DC Electrical Characteristics
      10. 5.7.1      HDMIPHY DC Electrical Characteristics
      11. 5.7.2      USBPHY DC Electrical Characteristics
      12. 5.7.3      SATAPHY DC Electrical Characteristics
      13. 5.7.4      PCIEPHY DC Electrical Characteristics
    8. 5.8  VPP Specifications for One-Time Programmable (OTP) eFuses
      1. Table 5-15 Recommended Operating Conditions for OTP eFuse Programming
      2. 5.8.1      Hardware Requirements
      3. 5.8.2      Programming Sequence
      4. 5.8.3      Impact to Your Hardware Warranty
    9. 5.9  Thermal Resistance Characteristics
      1. 5.9.1 Package Thermal Characteristics
    10. 5.10 Timing Requirements and Switching Characteristics
      1. 5.10.1 Timing Parameters and Information
        1. 5.10.1.1 Parameter Information
          1. 5.10.1.1.1 1.8V and 3.3V Signal Transition Levels
          2. 5.10.1.1.2 1.8V and 3.3V Signal Transition Rates
          3. 5.10.1.1.3 Timing Parameters and Board Routing Analysis
      2. 5.10.2 Interface Clock Specifications
        1. 5.10.2.1 Interface Clock Terminology
        2. 5.10.2.2 Interface Clock Frequency
      3. 5.10.3 Power Supply Sequences
      4. 5.10.4 Clock Specifications
        1. 5.10.4.1 Input Clocks / Oscillators
          1. 5.10.4.1.1 OSC0 External Crystal
          2. 5.10.4.1.2 OSC0 Input Clock
          3. 5.10.4.1.3 Auxiliary Oscillator OSC1 Input Clock
            1. 5.10.4.1.3.1 OSC1 External Crystal
            2. 5.10.4.1.3.2 OSC1 Input Clock
          4. 5.10.4.1.4 RTC Oscillator Input Clock
            1. 5.10.4.1.4.1 RTC Oscillator External Crystal
            2. 5.10.4.1.4.2 RTC Oscillator Input Clock
        2. 5.10.4.2 RC On-die Oscillator Clock
        3. 5.10.4.3 Output Clocks
        4. 5.10.4.4 DPLLs, DLLs
          1. 5.10.4.4.1 DPLL Characteristics
          2. 5.10.4.4.2 DLL Characteristics
          3. 5.10.4.4.3 DPLL and DLL Noise Isolation
      5. 5.10.5 Recommended Clock and Control Signal Transition Behavior
      6. 5.10.6 Peripherals
        1. 5.10.6.1  Timing Test Conditions
        2. 5.10.6.2  Virtual and Manual I/O Timing Modes
        3. 5.10.6.3  VIP
        4. 5.10.6.4  DSS
        5. 5.10.6.5  HDMI
        6. 5.10.6.6  EMIF
        7. 5.10.6.7  GPMC
          1. 5.10.6.7.1 GPMC/NOR Flash Interface Synchronous Timing
          2. 5.10.6.7.2 GPMC/NOR Flash Interface Asynchronous Timing
          3. 5.10.6.7.3 GPMC/NAND Flash Interface Asynchronous Timing
        8. 5.10.6.8  Timers
        9. 5.10.6.9  I2C
          1. Table 5-64 Timing Requirements for I2C Input Timings
          2. Table 5-65 Timing Requirements for I2C HS-Mode (I2C3/4/5 Only)
          3. Table 5-66 Switching Characteristics Over Recommended Operating Conditions for I2C Output Timings
        10. 5.10.6.10 HDQ1W
          1. 5.10.6.10.1 HDQ / 1-Wire — HDQ Mode
          2. 5.10.6.10.2 HDQ/1-Wire—1-Wire Mode
        11. 5.10.6.11 UART
          1. Table 5-71 Timing Requirements for UART
          2. Table 5-72 Switching Characteristics Over Recommended Operating Conditions for UART
        12. 5.10.6.12 McSPI
        13. 5.10.6.13 QSPI
        14. 5.10.6.14 McASP
          1. Table 5-79 Timing Requirements for McASP1
          2. Table 5-80 Timing Requirements for McASP2
          3. Table 5-81 Timing Requirements for McASP3/4/5/6/7/8
          4. Table 5-82 Switching Characteristics Over Recommended Operating Conditions for McASP1
          5. Table 5-83 Switching Characteristics Over Recommended Operating Conditions for McASP2
          6. Table 5-84 Switching Characteristics Over Recommended Operating Conditions for McASP3/4/5/6/7/8
        15. 5.10.6.15 USB
          1. 5.10.6.15.1 USB1 DRD PHY
          2. 5.10.6.15.2 USB2 PHY
          3. 5.10.6.15.3 USB3 and USB4 DRD ULPI—SDR—Slave Mode—12-pin Mode
        16. 5.10.6.16 SATA
        17. 5.10.6.17 PCIe
        18. 5.10.6.18 CAN
          1. 5.10.6.18.1 DCAN
          2. 5.10.6.18.2 MCAN-FD
          3. Table 5-99  Timing Requirements for CANx Receive
          4. Table 5-100 Switching Characteristics Over Recommended Operating Conditions for CANx Transmit
        19. 5.10.6.19 GMAC_SW
          1. 5.10.6.19.1 GMAC MII Timings
            1. Table 5-101 Timing Requirements for miin_rxclk - MII Operation
            2. Table 5-102 Timing Requirements for miin_txclk - MII Operation
            3. Table 5-103 Timing Requirements for GMAC MIIn Receive 10/100 Mbit/s
            4. Table 5-104 Switching Characteristics Over Recommended Operating Conditions for GMAC MIIn Transmit 10/100 Mbits/s
          2. 5.10.6.19.2 GMAC MDIO Interface Timings
          3. 5.10.6.19.3 GMAC RMII Timings
            1. Table 5-109 Timing Requirements for GMAC REF_CLK - RMII Operation
            2. Table 5-110 Timing Requirements for GMAC RMIIn Receive
            3. Table 5-111 Switching Characteristics Over Recommended Operating Conditions for GMAC REF_CLK - RMII Operation
            4. Table 5-112 Switching Characteristics Over Recommended Operating Conditions for GMAC RMIIn Transmit 10/100 Mbits/s
          4. 5.10.6.19.4 GMAC RGMII Timings
            1. Table 5-116 Timing Requirements for rgmiin_rxc - RGMIIn Operation
            2. Table 5-117 Timing Requirements for GMAC RGMIIn Input Receive for 10/100/1000 Mbps
            3. Table 5-118 Switching Characteristics Over Recommended Operating Conditions for rgmiin_txctl - RGMIIn Operation for 10/100/1000 Mbit/s
            4. Table 5-119 Switching Characteristics for GMAC RGMIIn Output Transmit for 10/100/1000 Mbps
        20. 5.10.6.20 MLB
        21. 5.10.6.21 eMMC/SD/SDIO
          1. 5.10.6.21.1 MMC1—SD Card Interface
            1. 5.10.6.21.1.1 Default speed, 4-bit data, SDR, half-cycle
            2. 5.10.6.21.1.2 High speed, 4-bit data, SDR, half-cycle
            3. 5.10.6.21.1.3 SDR12, 4-bit data, half-cycle
            4. 5.10.6.21.1.4 SDR25, 4-bit data, half-cycle
            5. 5.10.6.21.1.5 UHS-I SDR50, 4-bit data, half-cycle
            6. 5.10.6.21.1.6 UHS-I SDR104, 4-bit data, half-cycle
            7. 5.10.6.21.1.7 UHS-I DDR50, 4-bit data
          2. 5.10.6.21.2 MMC2 — eMMC
            1. 5.10.6.21.2.1 Standard JC64 SDR, 8-bit data, half cycle
            2. 5.10.6.21.2.2 High-Speed JC64 SDR, 8-bit data, half cycle
            3. 5.10.6.21.2.3 High-Speed HS200 JC64 SDR, 8-bit data, half cycle
            4. 5.10.6.21.2.4 High-Speed JC64 DDR, 8-bit data
          3. 5.10.6.21.3 MMC3 and MMC4—SDIO/SD
            1. 5.10.6.21.3.1 MMC3 and MMC4, SD Default Speed
            2. 5.10.6.21.3.2 MMC3 and MMC4, SD High Speed
            3. 5.10.6.21.3.3 MMC3 and MMC4, SD and SDIO SDR12 Mode
            4. 5.10.6.21.3.4 MMC3 and MMC4, SD SDR25 Mode
            5. 5.10.6.21.3.5 MMC3 SDIO High-Speed UHS-I SDR50 Mode, Half Cycle
        22. 5.10.6.22 GPIO
        23. 5.10.6.23 ATL
          1. 5.10.6.23.1 ATL Electrical Data/Timing
            1. Table 5-175 Switching Characteristics Over Recommended Operating Conditions for ATL_CLKOUTx
        24. 5.10.6.24 System and Miscellaneous Interfaces
      7. 5.10.7 Emulation and Debug Subsystem
        1. 5.10.7.1 JTAG
          1. 5.10.7.1.1 JTAG Electrical Data/Timing
            1. Table 5-176 Timing Requirements for IEEE 1149.1 JTAG
            2. Table 5-177 Switching Characteristics Over Recommended Operating Conditions for IEEE 1149.1 JTAG
            3. Table 5-178 Timing Requirements for IEEE 1149.1 JTAG With RTCK
            4. Table 5-179 Switching Characteristics Over Recommended Operating Conditions for IEEE 1149.1 JTAG With RTCK
        2. 5.10.7.2 TPIU
          1. 5.10.7.2.1 TPIU PLL DDR Mode
  6. 6Detailed Description
    1. 6.1  Description
    2. 6.2  Functional Block Diagram
    3. 6.3  MPU
    4. 6.4  DSP Subsystem
    5. 6.5  ISS
    6. 6.6  IVA
    7. 6.7  EVE
    8. 6.8  IPU
    9. 6.9  VPE
    10. 6.10 GPU
    11. 6.11 ATL Overview
    12. 6.12 Memory Subsystem
      1. 6.12.1 EMIF
      2. 6.12.2 GPMC
      3. 6.12.3 ELM
      4. 6.12.4 OCMC
    13. 6.13 Interprocessor Communication
      1. 6.13.1 Mailbox
      2. 6.13.2 Spinlock
    14. 6.14 Interrupt Controller
    15. 6.15 EDMA
    16. 6.16 Peripherals
      1. 6.16.1  VIP
      2. 6.16.2  DSS
      3. 6.16.3  Timers
      4. 6.16.4  I2C
      5. 6.16.5  HDQ1W
      6. 6.16.6  UART
        1. 6.16.6.1 UART Features
        2. 6.16.6.2 IrDA Features
        3. 6.16.6.3 CIR Features
      7. 6.16.7  McSPI
      8. 6.16.8  QSPI
      9. 6.16.9  McASP
      10. 6.16.10 USB
      11. 6.16.11 SATA
      12. 6.16.12 PCIe
      13. 6.16.13 CAN
      14. 6.16.14 GMAC_SW
      15. 6.16.15 MLB
      16. 6.16.16 eMMC/SD/SDIO
      17. 6.16.17 GPIO
      18. 6.16.18 ePWM
      19. 6.16.19 eCAP
      20. 6.16.20 eQEP
    17. 6.17 On-Chip Debug
  7. 7Applications, Implementation, and Layout
    1. 7.1 Introduction
      1. 7.1.1 Initial Requirements and Guidelines
    2. 7.2 Power Optimizations
      1. 7.2.1 Step 1: PCB Stack-up
      2. 7.2.2 Step 2: Physical Placement
      3. 7.2.3 Step 3: Static Analysis
        1. 7.2.3.1 PDN Resistance and IR Drop
      4. 7.2.4 Step 4: Frequency Analysis
      5. 7.2.5 System ESD Generic Guidelines
        1. 7.2.5.1 System ESD Generic PCB Guideline
        2. 7.2.5.2 Miscellaneous EMC Guidelines to Mitigate ESD Immunity
      6. 7.2.6 EMI / EMC Issues Prevention
        1. 7.2.6.1 Signal Bandwidth
        2. 7.2.6.2 Signal Routing
          1. 7.2.6.2.1 Signal Routing—Sensitive Signals and Shielding
          2. 7.2.6.2.2 Signal Routing—Outer Layer Routing
        3. 7.2.6.3 Ground Guidelines
          1. 7.2.6.3.1 PCB Outer Layers
          2. 7.2.6.3.2 Metallic Frames
          3. 7.2.6.3.3 Connectors
          4. 7.2.6.3.4 Guard Ring on PCB Edges
          5. 7.2.6.3.5 Analog and Digital Ground
    3. 7.3 Core Power Domains
      1. 7.3.1 General Constraints and Theory
      2. 7.3.2 Voltage Decoupling
      3. 7.3.3 Static PDN Analysis
      4. 7.3.4 Dynamic PDN Analysis
      5. 7.3.5 Power Supply Mapping
      6. 7.3.6 DPLL Voltage Requirement
      7. 7.3.7 Loss of Input Power Event
      8. 7.3.8 Example PCB Design
        1. 7.3.8.1 Example Stack-up
        2. 7.3.8.2 vdd_mpu Example Analysis
    4. 7.4 Single-Ended Interfaces
      1. 7.4.1 General Routing Guidelines
      2. 7.4.2 QSPI Board Design and Layout Guidelines
    5. 7.5 Differential Interfaces
      1. 7.5.1 General Routing Guidelines
      2. 7.5.2 USB 2.0 Board Design and Layout Guidelines
        1. 7.5.2.1 Background
        2. 7.5.2.2 USB PHY Layout Guide
          1. 7.5.2.2.1 General Routing and Placement
          2. 7.5.2.2.2 Specific Guidelines for USB PHY Layout
            1. 7.5.2.2.2.1  Analog, PLL, and Digital Power Supply Filtering
            2. 7.5.2.2.2.2  Analog, Digital, and PLL Partitioning
            3. 7.5.2.2.2.3  Board Stackup
            4. 7.5.2.2.2.4  Cable Connector Socket
            5. 7.5.2.2.2.5  Clock Routings
            6. 7.5.2.2.2.6  Crystals/Oscillator
            7. 7.5.2.2.2.7  DP/DM Trace
            8. 7.5.2.2.2.8  DP/DM Vias
            9. 7.5.2.2.2.9  Image Planes
            10. 7.5.2.2.2.10 JTAG Interface
            11. 7.5.2.2.2.11 Power Regulators
        3. 7.5.2.3 Electrostatic Discharge (ESD)
          1. 7.5.2.3.1 IEC ESD Stressing Test
            1. 7.5.2.3.1.1 Test Mode
            2. 7.5.2.3.1.2 Air Discharge Mode
            3. 7.5.2.3.1.3 Test Type
          2. 7.5.2.3.2 TI Component Level IEC ESD Test
          3. 7.5.2.3.3 Construction of a Custom USB Connector
          4. 7.5.2.3.4 ESD Protection System Design Consideration
        4. 7.5.2.4 References
      3. 7.5.3 USB 3.0 Board Design and Layout Guidelines
        1. 7.5.3.1 USB 3.0 interface introduction
        2. 7.5.3.2 USB 3.0 General routing rules
      4. 7.5.4 HDMI Board Design and Layout Guidelines
        1. 7.5.4.1 HDMI Interface Schematic
        2. 7.5.4.2 TMDS General Routing Guidelines
        3. 7.5.4.3 TPD5S115
        4. 7.5.4.4 HDMI ESD Protection Device (Required)
        5. 7.5.4.5 PCB Stackup Specifications
        6. 7.5.4.6 Grounding
      5. 7.5.5 SATA Board Design and Layout Guidelines
        1. 7.5.5.1 SATA Interface Schematic
        2. 7.5.5.2 Compatible SATA Components and Modes
        3. 7.5.5.3 PCB Stackup Specifications
        4. 7.5.5.4 Routing Specifications
      6. 7.5.6 PCIe Board Design and Layout Guidelines
        1. 7.5.6.1 PCIe Connections and Interface Compliance
          1. 7.5.6.1.1 Coupling Capacitors
          2. 7.5.6.1.2 Polarity Inversion
        2. 7.5.6.2 Non-standard PCIe connections
          1. 7.5.6.2.1 PCB Stackup Specifications
          2. 7.5.6.2.2 Routing Specifications
            1. 7.5.6.2.2.1 Impedance
            2. 7.5.6.2.2.2 Differential Coupling
            3. 7.5.6.2.2.3 Pair Length Matching
        3. 7.5.6.3 LJCB_REFN/P Connections
    6. 7.6 Clock Routing Guidelines
      1. 7.6.1 32-kHz Oscillator Routing
      2. 7.6.2 Oscillator Ground Connection
    7. 7.7 DDR2/DDR3 Board Design and Layout Guidelines
      1. 7.7.1 DDR2/DDR3 General Board Layout Guidelines
      2. 7.7.2 DDR2 Board Design and Layout Guidelines
        1. 7.7.2.1 Board Designs
        2. 7.7.2.2 DDR2 Interface
          1. 7.7.2.2.1  DDR2 Interface Schematic
          2. 7.7.2.2.2  Compatible JEDEC DDR2 Devices
          3. 7.7.2.2.3  PCB Stackup
          4. 7.7.2.2.4  Placement
          5. 7.7.2.2.5  DDR2 Keepout Region
          6. 7.7.2.2.6  Bulk Bypass Capacitors
          7. 7.7.2.2.7  High-Speed Bypass Capacitors
          8. 7.7.2.2.8  Net Classes
          9. 7.7.2.2.9  DDR2 Signal Termination
          10. 7.7.2.2.10 VREF Routing
        3. 7.7.2.3 DDR2 CK and ADDR_CTRL Routing
      3. 7.7.3 DDR3 Board Design and Layout Guidelines
        1. 7.7.3.1  Board Designs
        2. 7.7.3.2  DDR3 EMIF
        3. 7.7.3.3  DDR3 Device Combinations
        4. 7.7.3.4  DDR3 Interface Schematic
          1. 7.7.3.4.1 32-Bit DDR3 Interface
          2. 7.7.3.4.2 16-Bit DDR3 Interface
        5. 7.7.3.5  Compatible JEDEC DDR3 Devices
        6. 7.7.3.6  PCB Stackup
        7. 7.7.3.7  Placement
        8. 7.7.3.8  DDR3 Keepout Region
        9. 7.7.3.9  Bulk Bypass Capacitors
        10. 7.7.3.10 High-Speed Bypass Capacitors
          1. 7.7.3.10.1 Return Current Bypass Capacitors
        11. 7.7.3.11 Net Classes
        12. 7.7.3.12 DDR3 Signal Termination
        13. 7.7.3.13 VREF_DDR Routing
        14. 7.7.3.14 VTT
        15. 7.7.3.15 CK and ADDR_CTRL Topologies and Routing Definition
          1. 7.7.3.15.1 Four DDR3 Devices
            1. 7.7.3.15.1.1 CK and ADDR_CTRL Topologies, Four DDR3 Devices
            2. 7.7.3.15.1.2 CK and ADDR_CTRL Routing, Four DDR3 Devices
          2. 7.7.3.15.2 Two DDR3 Devices
            1. 7.7.3.15.2.1 CK and ADDR_CTRL Topologies, Two DDR3 Devices
            2. 7.7.3.15.2.2 CK and ADDR_CTRL Routing, Two DDR3 Devices
          3. 7.7.3.15.3 One DDR3 Device
            1. 7.7.3.15.3.1 CK and ADDR_CTRL Topologies, One DDR3 Device
            2. 7.7.3.15.3.2 CK and ADDR/CTRL Routing, One DDR3 Device
        16. 7.7.3.16 Data Topologies and Routing Definition
          1. 7.7.3.16.1 DQS and DQ/DM Topologies, Any Number of Allowed DDR3 Devices
          2. 7.7.3.16.2 DQS and DQ/DM Routing, Any Number of Allowed DDR3 Devices
        17. 7.7.3.17 Routing Specification
          1. 7.7.3.17.1 CK and ADDR_CTRL Routing Specification
          2. 7.7.3.17.2 DQS and DQ Routing Specification
  8. 8Device and Documentation Support
    1. 8.1  Device Nomenclature
      1. 8.1.1 Standard Package Symbolization
      2. 8.1.2 Device Naming Convention
    2. 8.2  Tools and Software
    3. 8.3  Documentation Support
      1. 8.3.1 FCC Warning
      2. 8.3.2 Information About Cautions and Warnings
    4. 8.4  Receiving Notification of Documentation Updates
    5. 8.5  Related Links
    6. 8.6  Community Resources
    7. 8.7  商标
    8. 8.8  静电放电警告
    9. 8.9  Export Control Notice
    10. 8.10 Glossary
  9. 9Mechanical Packaging and Orderable Information
    1. 9.1 Mechanical Data

封装选项

机械数据 (封装 | 引脚)
散热焊盘机械数据 (封装 | 引脚)
订购信息

EMIF

NOTE

For more information, see the Memory Subsystem / EMIF Controller section of the Device TRM.

NOTE

The index numbers 1 and 2 which are part of the EMIF1 and EMIF2 signal prefixes (ddr1_* and ddr2_*) listed in Table 4-5, EMIF Signal Descriptions, not to be confused with DDR1 and DDR2 types of SDRAM memories.

Table 4-5 EMIF Signal Descriptions

SIGNAL NAME DESCRIPTION TYPE BALL
EMIF Channel 1
ddr1_csn0 EMIF1 Chip Select 0 O AH23
ddr1_cke EMIF1 Clock Enable O AG22
ddr1_ck EMIF1 Clock O AG24
ddr1_nck EMIF1 Negative Clock O AH24
ddr1_odt0 EMIF1 On-Die Termination for Chip Select 0 O AE20
ddr1_casn EMIF1 Column Address Strobe O AC18
ddr1_rasn EMIF1 Row Address Strobe O AF20
ddr1_wen EMIF1 Write Enable O AH21
ddr1_rst EMIF1 Reset output (DDR3-SDRAM only) O AG21
ddr1_ba0 EMIF1 Bank Address O AF17
ddr1_ba1 EMIF1 Bank Address O AE18
ddr1_ba2 EMIF1 Bank Address O AB18
ddr1_a0 EMIF1 Address Bus O AD20
ddr1_a1 EMIF1 Address Bus O AC19
ddr1_a2 EMIF1 Address Bus O AC20
ddr1_a3 EMIF1 Address Bus O AB19
ddr1_a4 EMIF1 Address Bus O AF21
ddr1_a5 EMIF1 Address Bus O AH22
ddr1_a6 EMIF1 Address Bus O AG23
ddr1_a7 EMIF1 Address Bus O AE21
ddr1_a8 EMIF1 Address Bus O AF22
ddr1_a9 EMIF1 Address Bus O AE22
ddr1_a10 EMIF1 Address Bus O AD21
ddr1_a11 EMIF1 Address Bus O AD22
ddr1_a12 EMIF1 Address Bus O AC21
ddr1_a13 EMIF1 Address Bus O AF18
ddr1_a14 EMIF1 Address Bus O AE17
ddr1_a15 EMIF1 Address Bus O AD18
ddr1_d0 EMIF1 Data Bus IO AF25
ddr1_d1 EMIF1 Data Bus IO AF26
ddr1_d2 EMIF1 Data Bus IO AG26
ddr1_d3 EMIF1 Data Bus IO AH26
ddr1_d4 EMIF1 Data Bus IO AF24
ddr1_d5 EMIF1 Data Bus IO AE24
ddr1_d6 EMIF1 Data Bus IO AF23
ddr1_d7 EMIF1 Data Bus IO AE23
ddr1_d8 EMIF1 Data Bus IO AC23
ddr1_d9 EMIF1 Data Bus IO AF27
ddr1_d10 EMIF1 Data Bus IO AG27
ddr1_d11 EMIF1 Data Bus IO AF28
ddr1_d12 EMIF1 Data Bus IO AE26
ddr1_d13 EMIF1 Data Bus IO AC25
ddr1_d14 EMIF1 Data Bus IO AC24
ddr1_d15 EMIF1 Data Bus IO AD25
ddr1_d16 EMIF1 Data Bus IO V20
ddr1_d17 EMIF1 Data Bus IO W20
ddr1_d18 EMIF1 Data Bus IO AB28
ddr1_d19 EMIF1 Data Bus IO AC28
ddr1_d20 EMIF1 Data Bus IO AC27
ddr1_d21 EMIF1 Data Bus IO Y19
ddr1_d22 EMIF1 Data Bus IO AB27
ddr1_d23 EMIF1 Data Bus IO Y20
ddr1_d24 EMIF1 Data Bus IO AA23
ddr1_d25 EMIF1 Data Bus IO Y22
ddr1_d26 EMIF1 Data Bus IO Y23
ddr1_d27 EMIF1 Data Bus IO AA24
ddr1_d28 EMIF1 Data Bus IO Y24
ddr1_d29 EMIF1 Data Bus IO AA26
ddr1_d30 EMIF1 Data Bus IO AA25
ddr1_d31 EMIF1 Data Bus IO AA28
ddr1_ecc_d0 EMIF1 ECC Data Bus (1) IO W22
ddr1_ecc_d1 EMIF1 ECC Data Bus (1) IO V23
ddr1_ecc_d2 EMIF1 ECC Data Bus (1) IO W19
ddr1_ecc_d3 EMIF1 ECC Data Bus (1) IO W23
ddr1_ecc_d4 EMIF1 ECC Data Bus (1) IO Y25
ddr1_ecc_d5 EMIF1 ECC Data Bus (1) IO V24
ddr1_ecc_d6 EMIF1 ECC Data Bus (1) IO V25
ddr1_ecc_d7 EMIF1 ECC Data Bus (1) IO Y26
ddr1_dqm0 EMIF1 Data Mask O AD23
ddr1_dqm1 EMIF1 Data Mask O AB23
ddr1_dqm2 EMIF1 Data Mask O AC26
ddr1_dqm3 EMIF1 Data Mask O AA27
ddr1_dqm_ecc EMIF1 ECC Data Mask O V26
ddr1_dqs0 Data strobe 0 input/output for byte 0 of the 32-bit data bus. This signal is output to the EMIF1 memory when writing and input when reading. IO AH25
ddr1_dqsn0 Data strobe 0 invert IO AG25
ddr1_dqs1 Data strobe 1 input/output for byte 1 of the 32-bit data bus. This signal is output to the EMIF1 memory when writing and input when reading. IO AE27
ddr1_dqsn1 Data strobe 1 invert IO AE28
ddr1_dqs2 Data strobe 2 input/output for byte 2 of the 32-bit data bus. This signal is output to the EMIF1 memory when writing and input when reading. IO AD27
ddr1_dqsn2 Data strobe 2 invert IO AD28
ddr1_dqs3 Data strobe 3 input/output for byte 3 of the 32-bit data bus. This signal is output to the EMIF1 memory when writing and input when reading. IO Y28
ddr1_dqsn3 Data strobe 3 invert IO Y27
ddr1_dqs_ecc EMIF1 ECC Data strobe input/output. This signal is output to the EMIF1 memory when writing and input when reading. IO V27
ddr1_dqsn_ecc EMIF1 ECC Complementary Data strobe IO V28
ddr1_vref0 Reference Power Supply EMIF1 A Y18
EMIF Channel 2
ddr2_csn0 EMIF2 Chip Select 0 O P24
ddr2_cke EMIF2 Clock Enable O U24
ddr2_ck EMIF2 Clock O T28
ddr2_nck EMIF2 Negative Clock O T27
ddr2_odt0 EMIF2 On-Die Termination for Chip Select 0 O R23
ddr2_casn EMIF2 Column Address Strobe O U28
ddr2_rasn EMIF2 Row Address Strobe O T23
ddr2_wen EMIF2 Write Enable O U25
ddr2_rst EMIF2 Reset output (DDR3-SDRAM only) O R24
ddr2_ba0 EMIF2 Bank Address O U23
ddr2_ba1 EMIF2 Bank Address O U27
ddr2_ba2 EMIF2 Bank Address O U26
ddr2_a0 EMIF2 Address Bus O R25
ddr2_a1 EMIF2 Address Bus O R26
ddr2_a2 EMIF2 Address Bus O R28
ddr2_a3 EMIF2 Address Bus O R27
ddr2_a4 EMIF2 Address Bus O P23
ddr2_a5 EMIF2 Address Bus O P22
ddr2_a6 EMIF2 Address Bus O P25
ddr2_a7 EMIF2 Address Bus O N20
ddr2_a8 EMIF2 Address Bus O P27
ddr2_a9 EMIF2 Address Bus O N27
ddr2_a10 EMIF2 Address Bus O N23
ddr2_a11 EMIF2 Address Bus O P26
ddr2_a12 EMIF2 Address Bus O N28
ddr2_a13 EMIF2 Address Bus O T22
ddr2_a14 EMIF2 Address Bus O R22
ddr2_a15 EMIF2 Address Bus O U22
ddr2_d0 EMIF2 Data Bus IO E26
ddr2_d1 EMIF2 Data Bus IO G25
ddr2_d2 EMIF2 Data Bus IO F25
ddr2_d3 EMIF2 Data Bus IO F24
ddr2_d4 EMIF2 Data Bus IO F26
ddr2_d5 EMIF2 Data Bus IO F27
ddr2_d6 EMIF2 Data Bus IO E27
ddr2_d7 EMIF2 Data Bus IO E28
ddr2_d8 EMIF2 Data Bus IO H23
ddr2_d9 EMIF2 Data Bus IO H25
ddr2_d10 EMIF2 Data Bus IO H24
ddr2_d11 EMIF2 Data Bus IO H26
ddr2_d12 EMIF2 Data Bus IO G26
ddr2_d13 EMIF2 Data Bus IO J25
ddr2_d14 EMIF2 Data Bus IO J26
ddr2_d15 EMIF2 Data Bus IO J24
ddr2_d16 EMIF2 Data Bus IO L22
ddr2_d17 EMIF2 Data Bus IO K20
ddr2_d18 EMIF2 Data Bus IO K21
ddr2_d19 EMIF2 Data Bus IO L23
ddr2_d20 EMIF2 Data Bus IO L24
ddr2_d21 EMIF2 Data Bus IO J23
ddr2_d22 EMIF2 Data Bus IO K22
ddr2_d23 EMIF2 Data Bus IO J20
ddr2_d24 EMIF2 Data Bus IO L27
ddr2_d25 EMIF2 Data Bus IO L26
ddr2_d26 EMIF2 Data Bus IO L25
ddr2_d27 EMIF2 Data Bus IO L28
ddr2_d28 EMIF2 Data Bus IO M23
ddr2_d29 EMIF2 Data Bus IO M24
ddr2_d30 EMIF2 Data Bus IO M25
ddr2_d31 EMIF2 Data Bus IO M26
ddr2_dqm0 EMIF2 Data Mask O F28
ddr2_dqm1 EMIF2 Data Mask O G24
ddr2_dqm2 EMIF2 Data Mask O K23
ddr2_dqm3 EMIF2 Data Mask O M22
ddr2_dqs0 Data strobe 0 input/output for byte 0 of the 32-bit data bus. This signal is output to the EMIF2 memory when writing and input when reading. IO G28
ddr2_dqsn0 Data strobe 0 invert IO G27
ddr2_dqs1 Data strobe 1 input/output for byte 1 of the 32-bit data bus. This signal is output to the EMIF2 memory when writing and input when reading. IO H27
ddr2_dqsn1 Data strobe 1 invert IO H28
ddr2_dqs2 Data strobe 2 input/output for byte 2 of the 32-bit data bus. This signal is output to the EMIF2 memory when writing and input when reading. IO K27
ddr2_dqsn2 Data strobe 2 invert IO K28
ddr2_dqs3 Data strobe 3 input/output for byte 3 of the 32-bit data bus. This signal is output to the EMIF2 memory when writing and input when reading. IO M28
ddr2_dqsn3 Data strobe 3 invert IO M27
ddr2_vref0 Reference Power Supply EMIF2 A N22
  1. The ECC module (EMIF1 ECC Data Bus in Table 4-2) signal sets are NOT supported in the DRA74xP devices. For more details on the device differentiation, refer to the Table 3-1, Device Comparison.