ZHCSDC3D June   2014  – September 2016 AM4372 , AM4376 , AM4377 , AM4378 , AM4379

PRODUCTION DATA.  

  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 Related Products
  4. 4Terminal Configuration and Functions
    1. 4.1 Pin Diagrams
      1.      ZDN Ball Map [Section Top Left - Top View]
      2. Table 4-1 ZDN Ball Map [Section Top Middle - Top View]
      3. Table 4-2 ZDN Ball Map [Section Top Right - Top View]
      4. Table 4-3 ZDN Ball Map [Section Middle Left - Top View]
      5.      ZDN Ball Map [Section Middle Middle - Top View]
      6.      ZDN Ball Map [Section Middle Right - Top View]
      7. Table 4-4 ZDN Ball Map [Section Bottom Left - Top View]
      8. Table 4-5 ZDN Ball Map [Section Bottom Middle - Top View]
      9. Table 4-6 ZDN Ball Map [Section Bottom Right - Top View]
    2. 4.2 Pin Attributes
    3. 4.3 Signal Descriptions
      1. 4.3.1  ADC Interfaces
      2. 4.3.2  CAN Interfaces
      3. 4.3.3  Camera (VPFE) Interfaces
      4. 4.3.4  Debug Subsystem Interface
      5. 4.3.5  Display Subsystem (DSS) Interface
      6. 4.3.6  Ethernet (GEMAC_CPSW) Interfaces
      7. 4.3.7  External Memory Interfaces
      8. 4.3.8  General Purpose IOs
      9. 4.3.9  HDQ Interface
      10. 4.3.10 I2C Interfaces
      11. 4.3.11 McASP Interfaces
      12. 4.3.12 Miscellaneous
      13. 4.3.13 PRU-ICSS0 Interface
      14. 4.3.14 PRU-ICSS1 Interface
      15. 4.3.15 QSPI Interface
      16. 4.3.16 RTC Subsystem Interface
      17. 4.3.17 Removable Media Interfaces
      18. 4.3.18 SPI Interfaces
      19. 4.3.19 Timer Interfaces
      20. 4.3.20 UART Interfaces
      21. 4.3.21 USB Interfaces
      22. 4.3.22 eCAP Interfaces
      23. 4.3.23 eHRPWM Interfaces
      24. 4.3.24 eQEP Interfaces
  5. 5Specifications
    1. 5.1  Absolute Maximum Ratings
    2. 5.2  ESD Ratings
    3. 5.3  Power-On Hours (POH)
    4. 5.4  Operating Performance Points
    5. 5.5  Recommended Operating Conditions
    6. 5.6  Power Consumption Summary
    7. 5.7  DC Electrical Characteristics
    8. 5.8  ADC0: Touch Screen Controller and Analog-to-Digital Subsystem Electrical Parameters
    9. 5.9  ADC1: Analog-to-Digital Subsystem Electrical Parameters
    10. 5.10 VPP Specifications for One-Time Programmable (OTP) eFuses
      1. Table 5-7 Recommended Operating Conditions for OTP eFuse Programming
      2. 5.10.1     Hardware Requirements
      3. 5.10.2     Programming Sequence
      4. 5.10.3     Impact to Your Hardware Warranty
    11. 5.11 Thermal Resistance Characteristics
      1. Table 5-8 Thermal Resistance Characteristics (NFBGA Package) [ZDN]
    12. 5.12 External Capacitors
      1. 5.12.1 Voltage Decoupling Capacitors
        1. 5.12.1.1 Core Voltage Decoupling Capacitors
        2. 5.12.1.2 IO and Analog Voltage Decoupling Capacitors
      2. 5.12.2 Output Capacitors
    13. 5.13 Timing and Switching Characteristics
      1. 5.13.1  Power Supply Sequencing
        1. 5.13.1.1 Power Supply Slew Rate Requirement
        2. 5.13.1.2 Power-Up Sequencing
        3. 5.13.1.3 Power-Down Sequencing
      2. 5.13.2  Clock
        1. 5.13.2.1 PLLs
          1. 5.13.2.1.1 Digital Phase-Locked Loop Power Supply Requirements
        2. 5.13.2.2 Input Clock Specifications
        3. 5.13.2.3 Input Clock Requirements
          1. 5.13.2.3.1 OSC0 Internal Oscillator Clock Source
            1. Table 5-13 OSC0 Crystal Circuit Requirements
            2. Table 5-14 OSC0 Crystal Circuit Characteristics
          2. 5.13.2.3.2 OSC0 LVCMOS Digital Clock Source
          3. 5.13.2.3.3 OSC1 Internal Oscillator Clock Source
            1. Table 5-16 OSC1 Crystal Circuit Requirements
            2. Table 5-17 OSC1 Crystal Circuit Characteristics
          4. 5.13.2.3.4 OSC1 LVCMOS Digital Clock Source
          5. 5.13.2.3.5 OSC1 Not Used
        4. 5.13.2.4 Output Clock Specifications
        5. 5.13.2.5 Output Clock Characteristics
          1. 5.13.2.5.1 CLKOUT1
          2. 5.13.2.5.2 CLKOUT2
      3. 5.13.3  Timing Parameters and Board Routing Analysis
      4. 5.13.4  Recommended Clock and Control Signal Transition Behavior
      5. 5.13.5  Controller Area Network (CAN)
        1. 5.13.5.1 DCAN Electrical Data and Timing
          1. Table 5-19 Timing Requirements for DCANx Receive
          2. Table 5-20 Switching Characteristics for DCANx Transmit
      6. 5.13.6  DMTimer
        1. 5.13.6.1 DMTimer Electrical Data and Timing
          1. Table 5-21 Timing Requirements for DMTimer [1-11]
          2. Table 5-22 Switching Characteristics for DMTimer [4-7]
      7. 5.13.7  Ethernet Media Access Controller (EMAC) and Switch
        1. 5.13.7.1 Ethernet MAC and Switch Electrical Data and Timing
          1. Table 5-23 Ethernet MAC and Switch Timing Conditions
          2. 5.13.7.1.1  Ethernet MAC/Switch MDIO Electrical Data and Timing
            1. Table 5-24 Timing Requirements for MDIO_DATA
            2. Table 5-25 Switching Characteristics for MDIO_CLK
            3. Table 5-26 Switching Characteristics for MDIO_DATA
          3. 5.13.7.1.2  Ethernet MAC and Switch MII Electrical Data and Timing
            1. Table 5-27 Timing Requirements for GMII[x]_RXCLK - MII Mode
            2. Table 5-28 Timing Requirements for GMII[x]_TXCLK - MII Mode
            3. Table 5-29 Timing Requirements for GMII[x]_RXD[3:0], GMII[x]_RXDV, and GMII[x]_RXER - MII Mode
            4. Table 5-30 Switching Characteristics for GMII[x]_TXD[3:0], and GMII[x]_TXEN - MII Mode
          4. 5.13.7.1.3  Ethernet MAC and Switch RMII Electrical Data and Timing
            1. Table 5-31 Timing Requirements for RMII[x]_REFCLK - RMII Mode
            2. Table 5-32 Timing Requirements for RMII[x]_RXD[1:0], RMII[x]_CRS_DV, and RMII[x]_RXER - RMII Mode
            3. Table 5-33 Switching Characteristics for RMII[x]_TXD[1:0], and RMII[x]_TXEN - RMII Mode
          5. 5.13.7.1.4  Ethernet MAC and Switch RGMII Electrical Data and Timing
            1. Table 5-34 Timing Requirements for RGMII[x]_RCLK - RGMII Mode
            2. Table 5-35 Timing Requirements for RGMII[x]_RD[3:0], and RGMII[x]_RCTL - RGMII Mode
            3. Table 5-36 Switching Characteristics for RGMII[x]_TCLK - RGMII Mode
            4. Table 5-37 Switching Characteristics for RGMII[x]_TD[3:0], and RGMII[x]_TCTL - RGMII Mode
      8. 5.13.8  External Memory Interfaces
        1. 5.13.8.1 General-Purpose Memory Controller (GPMC)
          1. 5.13.8.1.1 GPMC and NOR Flash—Synchronous Mode
            1. Table 5-38 GPMC and NOR Flash Timing Conditions—Synchronous Mode
            2. Table 5-39 GPMC and NOR Flash Timing Requirements—Synchronous Mode
            3. Table 5-40 GPMC and NOR Flash Switching Characteristics—Synchronous Mode
          2. 5.13.8.1.2 GPMC and NOR Flash—Asynchronous Mode
            1. Table 5-41 GPMC and NOR Flash Timing Conditions—Asynchronous Mode
            2. Table 5-42 GPMC and NOR Flash Internal Timing Parameters—Asynchronous Mode
            3. Table 5-43 GPMC and NOR Flash Timing Requirements—Asynchronous Mode
            4. Table 5-44 GPMC and NOR Flash Switching Characteristics—Asynchronous Mode
          3. 5.13.8.1.3 GPMC and NAND Flash—Asynchronous Mode
            1. Table 5-45 GPMC and NAND Flash Timing Conditions—Asynchronous Mode
            2. Table 5-46 GPMC and NAND Flash Internal Timing Parameters—Asynchronous Mode
            3. Table 5-47 GPMC and NAND Flash Timing Requirements—Asynchronous Mode
            4. Table 5-48 GPMC and NAND Flash Switching Characteristics—Asynchronous Mode
        2. 5.13.8.2 Memory Interface
          1. 5.13.8.2.1 DDR3 and DDR3L Routing Guidelines
            1. 5.13.8.2.1.1 Board Designs
            2. 5.13.8.2.1.2 DDR3 Device Combinations
            3. 5.13.8.2.1.3 DDR3 Interface
              1. 5.13.8.2.1.3.1  DDR3 Interface Schematic
              2. 5.13.8.2.1.3.2  Compatible JEDEC DDR3 Devices
              3. 5.13.8.2.1.3.3  DDR3 PCB Stackup
              4. 5.13.8.2.1.3.4  DDR3 Placement
              5. 5.13.8.2.1.3.5  DDR3 Keepout Region
              6. 5.13.8.2.1.3.6  DDR3 Bulk Bypass Capacitors
              7. 5.13.8.2.1.3.7  DDR3 High-Speed Bypass Capacitors
                1. 5.13.8.2.1.3.7.1 Return Current Bypass Capacitors
              8. 5.13.8.2.1.3.8  DDR3 Net Classes
              9. 5.13.8.2.1.3.9  DDR3 Signal Termination
              10. 5.13.8.2.1.3.10 DDR3 DDR_VREF Routing
              11. 5.13.8.2.1.3.11 DDR3 VTT
            4. 5.13.8.2.1.4 DDR3 CK and ADDR_CTRL Topologies and Routing Definition
              1. 5.13.8.2.1.4.1 Using Two DDR3 Devices (x8 or x16)
                1. 5.13.8.2.1.4.1.1 CK and ADDR_CTRL Topologies, Two DDR3 Devices
                2. 5.13.8.2.1.4.1.2 CK and ADDR_CTRL Routing, Two DDR3 Devices
              2. 5.13.8.2.1.4.2 Using Four 8-Bit DDR3 Devices
                1. 5.13.8.2.1.4.2.1 CK and ADDR_CTRL Topologies, Four DDR3 Devices
                2. 5.13.8.2.1.4.2.2 CK and ADDR_CTRL Routing, Four DDR3 Devices
              3. 5.13.8.2.1.4.3 One 16-Bit DDR3 Device
                1. 5.13.8.2.1.4.3.1 CK and ADDR_CTRL Topologies, One DDR3 Device
                2. 5.13.8.2.1.4.3.2 CK and ADDR_CTRL Routing, One DDR3 Device
            5. 5.13.8.2.1.5 Data Topologies and Routing Definition
              1. 5.13.8.2.1.5.1 DQS[x] and DQ[x] Topologies, Any Number of Allowed DDR3 Devices
              2. 5.13.8.2.1.5.2 DQS[x] and DQ[x] Routing, Any Number of Allowed DDR3 Devices
            6. 5.13.8.2.1.6 Routing Specification
              1. 5.13.8.2.1.6.1 CK and ADDR_CTRL Routing Specification
              2. 5.13.8.2.1.6.2 DQS[x] and DQ[x] Routing Specification
          2. 5.13.8.2.2 LPDDR2 Routing Guidelines
            1. 5.13.8.2.2.1 LPDDR2 Board Designs
            2. 5.13.8.2.2.2 LPDDR2 Device Configurations
            3. 5.13.8.2.2.3 LPDDR2 Interface
              1. 5.13.8.2.2.3.1 LPDDR2 Interface Schematic
              2. 5.13.8.2.2.3.2 Compatible JEDEC LPDDR2 Devices
              3. 5.13.8.2.2.3.3 LPDDR2 PCB Stackup
              4. 5.13.8.2.2.3.4 LPDDR2 Placement
              5. 5.13.8.2.2.3.5 LPDDR2 Keepout Region
              6. 5.13.8.2.2.3.6 LPDDR2 Net Classes
              7. 5.13.8.2.2.3.7 LPDDR2 Signal Termination
              8. 5.13.8.2.2.3.8 LPDDR2 DDR_VREF Routing
            4. 5.13.8.2.2.4 Routing Specification
              1. 5.13.8.2.2.4.1 DQS[x] and DQ[x] Routing Specification
              2. 5.13.8.2.2.4.2 CK and ADDR_CTRL Routing Specification
      9. 5.13.9  Display Subsystem (DSS)
        1. 5.13.9.1 DSS—Parallel Interface
          1. 5.13.9.1.1 DSS—Parallel Interface—Bypass Mode
            1. 5.13.9.1.1.1 DSS—Parallel Interface—Bypass Mode—TFT Mode
            2. 5.13.9.1.1.2 DSS—Parallel Interface—Bypass Mode—STN Mode
          2. 5.13.9.1.2 DSS—Parallel Interface—RFBI Mode—Applications
            1. 5.13.9.1.2.1 DSS—Parallel Interface—RFBI Mode—MIPI DBI 2.0—LCD Panel
            2. 5.13.9.1.2.2 DSS—Parallel Interface—RFBI Mode—Pico DLP
      10. 5.13.10 Camera (VPFE)
        1. 5.13.10.1 Camera (VPFE) Timing
          1. Table 5-81 VPFE Timing Requirements
          2. Table 5-82 VPFE Output Switching Characteristics
      11. 5.13.11 Inter-Integrated Circuit (I2C)
        1. 5.13.11.1 I2C Electrical Data and Timing
          1. Table 5-83 I2C Timing Conditions - Slave Mode
          2. Table 5-84 Timing Requirements for I2C Input Timings
          3. Table 5-85 Switching Characteristics for I2C Output Timings
      12. 5.13.12 Multichannel Audio Serial Port (McASP)
        1. 5.13.12.1 McASP Device-Specific Information
        2. 5.13.12.2 McASP Electrical Data and Timing
          1. Table 5-86 McASP Timing Conditions
          2. Table 5-87 Timing Requirements for McASP
          3. Table 5-88 Switching Characteristics for McASP
      13. 5.13.13 Multichannel Serial Port Interface (McSPI)
        1. 5.13.13.1 McSPI Electrical Data and Timing
          1. 5.13.13.1.1 McSPI—Slave Mode
            1. Table 5-89 McSPI Timing Conditions—Slave Mode
            2. Table 5-90 Timing Requirements for McSPI Input Timings—Slave Mode
            3. Table 5-91 Switching Characteristics for McSPI Output Timings—Slave Mode
          2. 5.13.13.1.2 McSPI—Master Mode
            1. Table 5-92 McSPI Timing Conditions—Master Mode
            2. Table 5-93 Timing Requirements for McSPI Input Timings—Master Mode
            3. Table 5-94 Switching Characteristics for McSPI Output Timings—Master Mode
      14. 5.13.14 Quad Serial Port Interface (QSPI)
        1. Table 5-95 QSPI Switching Characteristics
      15. 5.13.15 HDQ/1-Wire Interface (HDQ/1-Wire)
        1. 5.13.15.1 HDQ Protocol
        2. 5.13.15.2 1-Wire Protocol
      16. 5.13.16 Programmable Real-Time Unit Subsystem and Industrial Communication Subsystem (PRU-ICSS)
        1. 5.13.16.1 Programmable Real-Time Unit (PRU-ICSS PRU)
          1. Table 5-100 PRU-ICSS PRU Timing Conditions
          2. 5.13.16.1.1  PRU-ICSS PRU Direct Input/Output Mode Electrical Data and Timing
            1. Table 5-101 PRU-ICSS PRU Timing Requirements - Direct Input Mode
            2. Table 5-102 PRU-ICSS PRU Switching Requirements - Direct Output Mode
          3. 5.13.16.1.2  PRU-ICSS PRU Parallel Capture Mode Electrical Data and Timing
            1. Table 5-103 PRU-ICSS PRU Timing Requirements - Parallel Capture Mode
          4. 5.13.16.1.3  PRU-ICSS PRU Shift Mode Electrical Data and Timing
            1. Table 5-104 PRU-ICSS PRU Timing Requirements - Shift In Mode
            2. Table 5-105 PRU-ICSS PRU Switching Requirements - Shift Out Mode
          5. 5.13.16.1.4  PRU-ICSS Sigma Delta Electrical Data and Timing
            1. Table 5-106 PRU-ICSS Timing Requirements - Sigma Delta Mode
          6. 5.13.16.1.5  PRU-ICSS ENDAT Electrical Data and Timing
            1. Table 5-107 PRU-ICSS Timing Requirements - ENDAT Mode
            2. Table 5-108 PRU-ICSS Switching Requirements - ENDAT Mode
        2. 5.13.16.2 PRU-ICSS EtherCAT (PRU-ICSS ECAT)
          1. Table 5-109 PRU-ICSS ECAT Timing Conditions
          2. 5.13.16.2.1  PRU-ICSS ECAT Electrical Data and Timing
            1. Table 5-110 PRU-ICSS ECAT Timing Requirements - Input Validated With LATCH_IN
            2. Table 5-111 PRU-ICSS ECAT Timing Requirements - Input Validated With SYNCx
            3. Table 5-112 PRU-ICSS ECAT Timing Requirements - Input Validated With Start of Frame (SOF)
            4. Table 5-113 PRU-ICSS ECAT Timing Requirements - LATCHx_IN
            5. Table 5-114 PRU-ICSS ECAT Switching Requirements - Digital IOs
        3. 5.13.16.3 PRU-ICSS MII_RT and Switch
          1. Table 5-115 PRU-ICSS MII_RT Switch Timing Conditions
          2. 5.13.16.3.1  PRU-ICSS MDIO Electrical Data and Timing
            1. Table 5-116 PRU-ICSS MDIO Timing Requirements - MDIO_DATA
            2. Table 5-117 PRU-ICSS MDIO Switching Characteristics - MDIO_CLK
            3. Table 5-118 PRU-ICSS MDIO Switching Characteristics - MDIO_DATA
          3. 5.13.16.3.2  PRU-ICSS MII_RT Electrical Data and Timing
            1. Table 5-119 PRU-ICSS MII_RT Timing Requirements - MII_RXCLK
            2. Table 5-120 PRU-ICSS MII_RT Timing Requirements - MII[x]_TXCLK
            3. Table 5-121 PRU-ICSS MII_RT Timing Requirements - MII_RXD[3:0], MII_RXDV, and MII_RXER
            4. Table 5-122 PRU-ICSS MII_RT Switching Characteristics - MII_TXD[3:0] and MII_TXEN
        4. 5.13.16.4 PRU-ICSS Universal Asynchronous Receiver Transmitter (PRU-ICSS UART)
          1. Table 5-123 Timing Requirements for PRU-ICSS UART Receive
          2. Table 5-124 Switching Characteristics Over Recommended Operating Conditions for PRU-ICSS UART Transmit
      17. 5.13.17 Multimedia Card (MMC) Interface
        1. 5.13.17.1 MMC Electrical Data and Timing
          1. Table 5-125 MMC Timing Conditions
          2. Table 5-126 Timing Requirements for MMC[0]_CMD and MMC[0]_DAT[7:0]
          3. Table 5-127 Timing Requirements for MMC[1/2]_CMD and MMC[1/2]_DAT[7:0]
          4. Table 5-128 Switching Characteristics for MMC[x]_CLK
          5. Table 5-129 Switching Characteristics for MMC[x]_CMD and MMC[x]_DAT[7:0]—HSPE=0
          6. Table 5-130 Switching Characteristics for MMC[x]_CMD and MMC[x]_DAT[7:0]—HSPE=1
      18. 5.13.18 Universal Asynchronous Receiver/Transmitter (UART)
        1. 5.13.18.1 UART Electrical Data and Timing
          1. Table 5-131 Timing Requirements for UARTx Receive
          2. Table 5-132 Switching Characteristics for UARTx Transmit
        2. 5.13.18.2 UART IrDA Interface
    14. 5.14 Emulation and Debug
      1. 5.14.1 IEEE 1149.1 JTAG
        1. 5.14.1.1 JTAG Electrical Data and Timing
          1. Table 5-135 Timing Requirements for JTAG
          2. Table 5-136 Switching Characteristics for JTAG
  6. 6Device and Documentation Support
    1. 6.1 Device Nomenclature
    2. 6.2 Tools and Software
    3. 6.3 Documentation Support
    4. 6.4 Related Links
    5. 6.5 Community Resources
    6. 6.6 商标
    7. 6.7 静电放电警告
    8. 6.8 术语表
  7. 7Mechanical, Packaging, and Orderable Information
    1. 7.1 Via Channel
    2. 7.2 Packaging Information

封装选项

请参考 PDF 数据表获取器件具体的封装图。

机械数据 (封装 | 引脚)
  • ZDN|491
散热焊盘机械数据 (封装 | 引脚)
订购信息

4.3.7 External Memory Interfaces

Table 4-24 DDR Signal Descriptions

SIGNAL NAME [1] DESCRIPTION [2] TYPE [3] ZDN [4]
ddr_a0 DDR SDRAM ROW/COLUMN ADDRESS O N1
ddr_a1 DDR SDRAM ROW/COLUMN ADDRESS O L1
ddr_a2 DDR SDRAM ROW/COLUMN ADDRESS O L2
ddr_a3 DDR SDRAM ROW/COLUMN ADDRESS O P2
ddr_a4 DDR SDRAM ROW/COLUMN ADDRESS O P1
ddr_a5 DDR SDRAM ROW/COLUMN ADDRESS O R5
ddr_a6 DDR SDRAM ROW/COLUMN ADDRESS O R4
ddr_a7 DDR SDRAM ROW/COLUMN ADDRESS O R3
ddr_a8 DDR SDRAM ROW/COLUMN ADDRESS O R2
ddr_a9 DDR SDRAM ROW/COLUMN ADDRESS O R1
ddr_a10 DDR SDRAM ROW/COLUMN ADDRESS O M6
ddr_a11 DDR SDRAM ROW/COLUMN ADDRESS O T5
ddr_a12 DDR SDRAM ROW/COLUMN ADDRESS O T4
ddr_a13 DDR SDRAM ROW/COLUMN ADDRESS O N5
ddr_a14 DDR SDRAM ROW/COLUMN ADDRESS O T3
ddr_a15 DDR SDRAM ROW/COLUMN ADDRESS O T2
ddr_ba0 DDR SDRAM BANK ADDRESS O K1
ddr_ba1 DDR SDRAM BANK ADDRESS O K2
ddr_ba2 DDR SDRAM BANK ADDRESS O K3
ddr_casn DDR SDRAM COLUMN ADDRESS STROBE. (ACTIVE LOW) O N3
ddr_ck DDR SDRAM CLOCK (Differential+) O M2
ddr_cke0 DDR SDRAM CLOCK ENABLE O M3
ddr_cke1 DDR SDRAM CLOCK ENABLE1 O N6
ddr_csn0 DDR SDRAM CHIP SELECT0 O M5
ddr_csn1 DDR SDRAM CHIP SELECT1 O M4
ddr_d0 DDR SDRAM DATA IO E3
ddr_d1 DDR SDRAM DATA IO E2
ddr_d2 DDR SDRAM DATA IO E1
ddr_d3 DDR SDRAM DATA IO F3
ddr_d4 DDR SDRAM DATA IO G4
ddr_d5 DDR SDRAM DATA IO G3
ddr_d6 DDR SDRAM DATA IO G2
ddr_d7 DDR SDRAM DATA IO G1
ddr_d8 DDR SDRAM DATA IO H1
ddr_d9 DDR SDRAM DATA IO J6
ddr_d10 DDR SDRAM DATA IO J5
ddr_d11 DDR SDRAM DATA IO J4
ddr_d12 DDR SDRAM DATA IO J3
ddr_d13 DDR SDRAM DATA IO K6
ddr_d14 DDR SDRAM DATA IO K5
ddr_d15 DDR SDRAM DATA IO K4
ddr_d16 DDR SDRAM DATA IO V5
ddr_d17 DDR SDRAM DATA IO V4
ddr_d18 DDR SDRAM DATA IO V3
ddr_d19 DDR SDRAM DATA IO V2
ddr_d20 DDR SDRAM DATA IO V1
ddr_d21 DDR SDRAM DATA IO W4
ddr_d22 DDR SDRAM DATA IO W5
ddr_d23 DDR SDRAM DATA IO W6
ddr_d24 DDR SDRAM DATA IO Y2
ddr_d25 DDR SDRAM DATA IO Y3
ddr_d26 DDR SDRAM DATA IO Y4
ddr_d27 DDR SDRAM DATA IO AA3
ddr_d28 DDR SDRAM DATA IO AB2
ddr_d29 DDR SDRAM DATA IO AB1
ddr_d30 DDR SDRAM DATA IO AC1
ddr_d31 DDR SDRAM DATA IO AC2
ddr_dqm0 DDR WRITE ENABLE / DATA MASK FOR DATA[7:0] O F4
ddr_dqm1 DDR WRITE ENABLE / DATA MASK FOR DATA[15:8] O H2
ddr_dqm2 DDR WRITE ENABLE / DATA MASK FOR DATA[23:16] O V6
ddr_dqm3 DDR WRITE ENABLE / DATA MASK FOR DATA[31:24] O Y1
ddr_dqs0 DDR DATA STROBE FOR DATA[7:0] (Differential+) IO F2
ddr_dqs1 DDR DATA STROBE FOR DATA[15:8] (Differential+) IO J2
ddr_dqs2 DDR DATA STROBE FOR DATA[23:16] (Differential+) IO W1
ddr_dqs3 DDR DATA STROBE FOR DATA[31:24] (Differential+) IO AA1
ddr_dqsn0 DDR DATA STROBE FOR DATA[7:0] (Differential-) IO F1
ddr_dqsn1 DDR DATA STROBE FOR DATA[15:8] (Differential-) IO J1
ddr_dqsn2 DDR DATA STROBE FOR DATA[23:16] (Differential-) IO W2
ddr_dqsn3 DDR DATA STROBE FOR DATA[31:24] (Differential-) IO AA2
ddr_nck DDR SDRAM CLOCK (Differential-) O M1
ddr_odt0 DDR SDRAM ODT0 O U1
ddr_odt1 DDR SDRAM ODT1 O U2
ddr_rasn DDR SDRAM ROW ADDRESS STROBE (ACTIVE LOW) O N2
ddr_resetn DDR SDRAM RESET (only for DDR3) O T1
ddr_vref Voltage Reference AP (1) T6
ddr_vtp External Resistor for Impedance Training I (2) AC3
ddr_wen DDR SDRAM WRITE ENABLE (ACTIVE LOW) O N4
  1. This terminal is an analog input used to set the switching threshold of the DDR input buffers to (VDDS_DDR / 2).
  2. This terminal is an analog passive signal that connects to an external 49.9 Ω 1%, 20mW reference resistor which is used to calibrate the DDR input/output buffers.

Table 4-25 General Purpose Memory Controller (GPMC) Signal Descriptions

SIGNAL NAME [1] DESCRIPTION [2] TYPE [3] ZDN [4]
gpmc_a0 GPMC Address O B22, C3
gpmc_a1 GPMC Address O A21, B23, C5
gpmc_a2 GPMC Address O A23, B21, C6
gpmc_a3 GPMC Address O A22, A4, C21
gpmc_a4 GPMC Address O A20, A24, D7
gpmc_a5 GPMC Address O B20, C10, E7
gpmc_a6 GPMC Address O C20, E8
gpmc_a7 GPMC Address O E19, F6
gpmc_a8 GPMC Address O B23, F7
gpmc_a9 GPMC Address O A23, B4
gpmc_a10 GPMC Address O A22, G8
gpmc_a11 GPMC Address O A24, D8
gpmc_a12 GPMC Address O A19
gpmc_a13 GPMC Address O B19
gpmc_a14 GPMC Address O A18
gpmc_a15 GPMC Address O B18
gpmc_a16 GPMC Address O C19, C3
gpmc_a17 GPMC Address O C5, D19
gpmc_a18 GPMC Address O C17, C6
gpmc_a19 GPMC Address O A4, D17
gpmc_a20 GPMC Address O B1, D7
gpmc_a21 GPMC Address O B2, E7
gpmc_a22 GPMC Address O C2, E8
gpmc_a23 GPMC Address O C1, F6
gpmc_a24 GPMC Address O D1, F7
gpmc_a25 GPMC Address O B4, D2
gpmc_a26 GPMC Address O G8
gpmc_a27 GPMC Address O D8
gpmc_ad0 GPMC Address and Data IO B5
gpmc_ad1 GPMC Address and Data IO A5
gpmc_ad2 GPMC Address and Data IO B6
gpmc_ad3 GPMC Address and Data IO A6
gpmc_ad4 GPMC Address and Data IO B7
gpmc_ad5 GPMC Address and Data IO A7
gpmc_ad6 GPMC Address and Data IO C8
gpmc_ad7 GPMC Address and Data IO B8
gpmc_ad8 GPMC Address and Data IO B10
gpmc_ad9 GPMC Address and Data IO A10
gpmc_ad10 GPMC Address and Data IO F11
gpmc_ad11 GPMC Address and Data IO D11
gpmc_ad12 GPMC Address and Data IO E11
gpmc_ad13 GPMC Address and Data IO C11
gpmc_ad14 GPMC Address and Data IO B11
gpmc_ad15 GPMC Address and Data IO A11
gpmc_advn_ale GPMC Address Valid / Address Latch Enable O A9
gpmc_be0n_cle GPMC Byte Enable 0 / Command Latch Enable O C10
gpmc_be1n GPMC Byte Enable 1 O A3, F10
gpmc_clk GPMC Clock IO A12, B9
gpmc_csn0 GPMC Chip Select O A8
gpmc_csn1 GPMC Chip Select O B9
gpmc_csn2 GPMC Chip Select O F10
gpmc_csn3 GPMC Chip Select O B12
gpmc_csn4 GPMC Chip Select O A2
gpmc_csn5 GPMC Chip Select O B3
gpmc_csn6 GPMC Chip Select O A3
gpmc_dir GPMC Data Direction O A3
gpmc_oen_ren GPMC Output / Read Enable O E10
gpmc_wait0 GPMC Wait 0 I A2, B12
gpmc_wait1 GPMC Wait 1 I A12
gpmc_wen GPMC Write Enable O D10
gpmc_wpn GPMC Write Protect O B3
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