SPRS953G December   2015  – November 2019 AM5726 , AM5728 , AM5729

PRODUCTION DATA.  

  1. 1 Device Overview
    1. 1.1 Features
    2. 1.2 Applications
    3. 1.3 Description
    4. 1.4 Functional Block Diagram
  2. 2 Revision History
  3. 3 Device Comparison
    1. 3.1 Related Products
  4. 4 Terminal Configuration and Functions
    1. 4.1 Terminal Assignment
      1. 4.1.1 Unused Balls Connection Requirements
    2. 4.2 Ball Characteristics
    3. 4.3 Multiplexing Characteristics
    4. 4.4 Signal Descriptions
      1. 4.4.1  Video Input Port (VIP)
      2. 4.4.2  Display Subsystem – Video Output Ports
      3. 4.4.3  Display Subsystem – High-Definition Multimedia Interface (HDMI)
      4. 4.4.4  External Memory Interface - (EMIF)
      5. 4.4.5  General-Purpose Memory Controller (GPMC)
      6. 4.4.6  Timer
      7. 4.4.7  Inter-Integrated Circuit Interface (I2C)
      8. 4.4.8  HDQ / 1-Wire Interface (HDQ1W)
      9. 4.4.9  Universal Asynchronous Receiver Transmitter (UART)
      10. 4.4.10 Multichannel Serial Peripheral Interface (McSPI)
      11. 4.4.11 Quad Serial Peripheral Interface (QSPI)
      12. 4.4.12 Multichannel Audio Serial Port (McASP)
      13. 4.4.13 Universal Serial Bus (USB)
      14. 4.4.14 Serial Advanced Technology Attachment (SATA)
      15. 4.4.15 Peripheral Component Interconnect Express (PCIe)
      16. 4.4.16 Controller Area Network Interface (DCAN)
      17. 4.4.17 Ethernet Interface (GMAC_SW)
      18. 4.4.18 Media Local Bus (MLB) Interface
      19. 4.4.19 eMMC/SD/SDIO
      20. 4.4.20 General-Purpose Interface (GPIO)
      21. 4.4.21 Keyboard controller (KBD)
      22. 4.4.22 Pulse Width Modulation (PWM)
      23. 4.4.23 Programmable Real-Time Unit Subsystem and Industrial Communication Subsystem (PRU-ICSS)
      24. 4.4.24 Test Interfaces
      25. 4.4.25 System and Miscellaneous
        1. 4.4.25.1 Sysboot
        2. 4.4.25.2 Power, Reset and Clock Management (PRCM)
        3. 4.4.25.3 Real-Time Clock (RTC) Interface
        4. 4.4.25.4 System Direct Memory Access (SDMA)
        5. 4.4.25.5 Interrupt Controllers (INTC)
        6. 4.4.25.6 Observability
        7. 4.4.25.7 Power Supplies
  5. 5 Specifications
    1. 5.1 Absolute Maximum Ratings
    2. 5.2 ESD Ratings
    3. 5.3 Power on Hours (POH) Limits
    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. 5.7.1  LVCMOS DDR DC Electrical Characteristics
      2. 5.7.2  HDMIPHY DC Electrical Characteristics
      3. 5.7.3  Dual Voltage LVCMOS I2C DC Electrical Characteristics
      4. 5.7.4  IQ1833 Buffers DC Electrical Characteristics
      5. 5.7.5  IHHV1833 Buffers DC Electrical Characteristics
      6. 5.7.6  LVCMOS OSC Buffers DC Electrical Characteristics
      7. 5.7.7  BC1833IHHV Buffers DC Electrical Characteristics
      8. 5.7.8  USBPHY DC Electrical Characteristics
      9. 5.7.9  Dual Voltage SDIO1833 DC Electrical Characteristics
      10. 5.7.10 Dual Voltage LVCMOS DC Electrical Characteristics
      11. 5.7.11 SATAPHY DC Electrical Characteristics
      12. 5.7.12 PCIEPHY DC Electrical Characteristics
    8. 5.8 Thermal Characteristics
      1. 5.8.1 Package Thermal Characteristics
    9. 5.9 Power Supply Sequences
  6. 6 Clock Specifications
    1. 6.1 Input Clock Specifications
      1. 6.1.1 Input Clock Requirements
      2. 6.1.2 System Oscillator OSC0 Input Clock
        1. 6.1.2.1 OSC0 External Crystal
        2. 6.1.2.2 OSC0 Input Clock
      3. 6.1.3 Auxiliary Oscillator OSC1 Input Clock
        1. 6.1.3.1 OSC1 External Crystal
        2. 6.1.3.2 OSC1 Input Clock
      4. 6.1.4 RTC Oscillator Input Clock
        1. 6.1.4.1 RTC Oscillator External Crystal
        2. 6.1.4.2 RTC Oscillator Input Clock
    2. 6.2 RC On-die Oscillator Clock
    3. 6.3 DPLLs, DLLs Specifications
      1. 6.3.1 DPLL Characteristics
      2. 6.3.2 DLL Characteristics
  7. 7 Timing Requirements and Switching Characteristics
    1. 7.1  Timing Test Conditions
    2. 7.2  Interface Clock Specifications
      1. 7.2.1 Interface Clock Terminology
      2. 7.2.2 Interface Clock Frequency
    3. 7.3  Timing Parameters and Information
      1. 7.3.1 Parameter Information
        1. 7.3.1.1 1.8V and 3.3V Signal Transition Levels
        2. 7.3.1.2 1.8V and 3.3V Signal Transition Rates
        3. 7.3.1.3 Timing Parameters and Board Routing Analysis
    4. 7.4  Recommended Clock and Control Signal Transition Behavior
    5. 7.5  Virtual and Manual I/O Timing Modes
    6. 7.6  Video Input Ports (VIP)
    7. 7.7  Display Subsystem – Video Output Ports
    8. 7.8  Display Subsystem – High-Definition Multimedia Interface (HDMI)
    9. 7.9  External Memory Interface (EMIF)
    10. 7.10 General-Purpose Memory Controller (GPMC)
      1. 7.10.1 GPMC/NOR Flash Interface Synchronous Timing
      2. 7.10.2 GPMC/NOR Flash Interface Asynchronous Timing
      3. 7.10.3 GPMC/NAND Flash Interface Asynchronous Timing
    11. 7.11 Timers
    12. 7.12 Inter-Integrated Circuit Interface (I2C)
      1. Table 7-34 Timing Requirements for I2C Input Timings
      2. Table 7-35 Timing Requirements for I2C HS-Mode (I2C3/4/5 Only)
      3. Table 7-36 Switching Characteristics Over Recommended Operating Conditions for I2C Output Timings
    13. 7.13 HDQ / 1-Wire Interface (HDQ1W)
      1. 7.13.1 HDQ / 1-Wire — HDQ Mode
      2. 7.13.2 HDQ/1-Wire—1-Wire Mode
    14. 7.14 Universal Asynchronous Receiver Transmitter (UART)
      1. Table 7-41 Timing Requirements for UART
      2. Table 7-42 Switching Characteristics Over Recommended Operating Conditions for UART
    15. 7.15 Multichannel Serial Peripheral Interface (McSPI)
    16. 7.16 Quad Serial Peripheral Interface (QSPI)
    17. 7.17 Multichannel Audio Serial Port (McASP)
      1. Table 7-49 Timing Requirements for McASP1
      2. Table 7-50 Timing Requirements for McASP2
      3. Table 7-51 Timing Requirements for McASP3/4/5/6/7/8
      4. Table 7-52 Switching Characteristics Over Recommended Operating Conditions for McASP1
      5. Table 7-53 Switching Characteristics Over Recommended Operating Conditions for McASP2
      6. Table 7-54 Switching Characteristics Over Recommended Operating Conditions for McASP3/4/5/6/7/8
    18. 7.18 Universal Serial Bus (USB)
      1. 7.18.1 USB1 DRD PHY
      2. 7.18.2 USB2 PHY
    19. 7.19 Serial Advanced Technology Attachment (SATA)
    20. 7.20 Peripheral Component Interconnect Express (PCIe)
    21. 7.21 Controller Area Network Interface (DCAN)
    22. 7.22 Ethernet Interface (GMAC_SW)
      1. 7.22.1 GMAC MII Timings
        1. Table 7-68 Timing Requirements for miin_rxclk - MII Operation
        2. Table 7-69 Timing Requirements for miin_txclk - MII Operation
        3. Table 7-70 Timing Requirements for GMAC MIIn Receive 10/100 Mbit/s
        4. Table 7-71 Switching Characteristics Over Recommended Operating Conditions for GMAC MIIn Transmit 10/100 Mbits/s
      2. 7.22.2 GMAC MDIO Interface Timings
      3. 7.22.3 GMAC RMII Timings
        1. Table 7-76 Timing Requirements for GMAC REF_CLK - RMII Operation
        2. Table 7-77 Timing Requirements for GMAC RMIIn Receive
        3. Table 7-78 Switching Characteristics Over Recommended Operating Conditions for GMAC REF_CLK - RMII Operation
        4. Table 7-79 Switching Characteristics Over Recommended Operating Conditions for GMAC RMIIn Transmit 10/100 Mbits/s
      4. 7.22.4 GMAC RGMII Timings
        1. Table 7-83 Timing Requirements for rgmiin_rxc - RGMIIn Operation
        2. Table 7-84 Timing Requirements for GMAC RGMIIn Input Receive for 10/100/1000 Mbps
        3. Table 7-85 Switching Characteristics Over Recommended Operating Conditions for rgmiin_txctl - RGMIIn Operation for 10/100/1000 Mbit/s
        4. Table 7-86 Switching Characteristics for GMAC RGMIIn Output Transmit for 10/100/1000 Mbps
    23. 7.23 eMMC/SD/SDIO
      1. 7.23.1 MMC1—SD Card Interface
        1. 7.23.1.1 Default speed, 4-bit data, SDR, half-cycle
        2. 7.23.1.2 High speed, 4-bit data, SDR, half-cycle
        3. 7.23.1.3 SDR12, 4-bit data, half-cycle
        4. 7.23.1.4 SDR25, 4-bit data, half-cycle
        5. 7.23.1.5 UHS-I SDR50, 4-bit data, half-cycle
        6. 7.23.1.6 UHS-I SDR104, 4-bit data, half-cycle
        7. 7.23.1.7 UHS-I DDR50, 4-bit data
      2. 7.23.2 MMC2 — eMMC
        1. 7.23.2.1 Standard JC64 SDR, 8-bit data, half cycle
        2. 7.23.2.2 High-speed JC64 SDR, 8-bit data, half cycle
        3. 7.23.2.3 High-speed HS200 JC64 SDR, 8-bit data, half cycle
        4. 7.23.2.4 High-speed JC64 DDR, 8-bit data
      3. 7.23.3 MMC3 and MMC4—SDIO/SD
        1. 7.23.3.1 MMC3 and MMC4, SD Default Speed
        2. 7.23.3.2 MMC3 and MMC4, SD High Speed
        3. 7.23.3.3 MMC3 and MMC4, SD and SDIO SDR12 Mode
        4. 7.23.3.4 MMC3 and MMC4, SD SDR25 Mode
        5. 7.23.3.5 MMC3 SDIO High-Speed UHS-I SDR50 Mode, Half Cycle
    24. 7.24 General-Purpose Interface (GPIO)
    25. 7.25 Programmable Real-Time Unit Subsystem and Industrial Communication Subsystem (PRU-ICSS)
      1. 7.25.1 Programmable Real-Time Unit (PRU-ICSS PRU)
        1. 7.25.1.1 PRU-ICSS PRU Direct Input/Output Mode Electrical Data and Timing
          1. Table 7-135 PRU-ICSS PRU Timing Requirements - Direct Input Mode
          2. Table 7-136 PRU-ICSS PRU Switching Requirements – Direct Output Mode
        2. 7.25.1.2 PRU-ICSS PRU Parallel Capture Mode Electrical Data and Timing
          1. Table 7-137 PRU-ICSS PRU Timing Requirements - Parallel Capture Mode
        3. 7.25.1.3 PRU-ICSS PRU Shift Mode Electrical Data and Timing
          1. Table 7-138 PRU-ICSS PRU Timing Requirements – Shift In Mode
          2. Table 7-139 PRU-ICSS PRU Switching Requirements - Shift Out Mode
      2. 7.25.2 PRU-ICSS EtherCAT (PRU-ICSS ECAT)
        1. 7.25.2.1 PRU-ICSS ECAT Electrical Data and Timing
          1. Table 7-140 PRU-ICSS ECAT Timing Requirements – Input Validated With LATCH_IN
          2. Table 7-141 PRU-ICSS ECAT Timing Requirements – Input Validated With SYNCx
          3. Table 7-142 PRU-ICSS ECAT Timing Requirements – Input Validated With Start of Frame (SOF)
          4. Table 7-143 PRU-ICSS ECAT Timing Requirements - LATCHx_IN
          5. Table 7-144 PRU-ICSS ECAT Switching Requirements - Digital IOs
      3. 7.25.3 PRU-ICSS MII_RT and Switch
        1. 7.25.3.1 PRU-ICSS MDIO Electrical Data and Timing
          1. Table 7-145 PRU-ICSS MDIO Timing Requirements – MDIO_DATA
          2. Table 7-146 PRU-ICSS MDIO Switching Characteristics - MDIO_CLK
          3. Table 7-147 PRU-ICSS MDIO Switching Characteristics – MDIO_DATA
        2. 7.25.3.2 PRU-ICSS MII_RT Electrical Data and Timing
          1. Table 7-148 PRU-ICSS MII_RT Timing Requirements – MII[x]_RXCLK
          2. Table 7-149 PRU-ICSS MII_RT Timing Requirements - MII[x]_TXCLK
          3. Table 7-150 PRU-ICSS MII_RT Timing Requirements - MII_RXD[3:0], MII_RXDV, and MII_RXER
          4. Table 7-151 PRU-ICSS MII_RT Switching Characteristics - MII_TXD[3:0] and MII_TXEN
      4. 7.25.4 PRU-ICSS Universal Asynchronous Receiver Transmitter (PRU-ICSS UART)
        1. Table 7-152 Timing Requirements for PRU-ICSS UART Receive
        2. Table 7-153 Switching Characteristics Over Recommended Operating Conditions for PRU-ICSS UART Transmit
      5. 7.25.5 PRU-ICSS IOSETs
      6. 7.25.6 PRU-ICSS Manual Functional Mapping
    26. 7.26 System and Miscellaneous interfaces
    27. 7.27 Test Interfaces
      1. 7.27.1 IEEE 1149.1 Standard-Test-Access Port (JTAG)
        1. 7.27.1.1 JTAG Electrical Data/Timing
          1. Table 7-174 Timing Requirements for IEEE 1149.1 JTAG
          2. Table 7-175 Switching Characteristics Over Recommended Operating Conditions for IEEE 1149.1 JTAG
          3. Table 7-176 Timing Requirements for IEEE 1149.1 JTAG With RTCK
          4. Table 7-177 Switching Characteristics Over Recommended Operating Conditions for IEEE 1149.1 JTAG With RTCK
      2. 7.27.2 Trace Port Interface Unit (TPIU)
        1. 7.27.2.1 TPIU PLL DDR Mode
  8. 8 Applications, Implementation, and Layout
    1. 8.1 Power Supply Mapping
    2. 8.2 DDR3 Board Design and Layout Guidelines
      1. 8.2.1 DDR3 General Board Layout Guidelines
      2. 8.2.2 DDR3 Board Design and Layout Guidelines
        1. 8.2.2.1  Board Designs
        2. 8.2.2.2  DDR3 EMIFs
        3. 8.2.2.3  DDR3 Device Combinations
        4. 8.2.2.4  DDR3 Interface Schematic
          1. 8.2.2.4.1 32-Bit DDR3 Interface
          2. 8.2.2.4.2 16-Bit DDR3 Interface
        5. 8.2.2.5  Compatible JEDEC DDR3 Devices
        6. 8.2.2.6  PCB Stackup
        7. 8.2.2.7  Placement
        8. 8.2.2.8  DDR3 Keepout Region
        9. 8.2.2.9  Bulk Bypass Capacitors
        10. 8.2.2.10 High-Speed Bypass Capacitors
          1. 8.2.2.10.1 Return Current Bypass Capacitors
        11. 8.2.2.11 Net Classes
        12. 8.2.2.12 DDR3 Signal Termination
        13. 8.2.2.13 VREF_DDR Routing
        14. 8.2.2.14 VTT
        15. 8.2.2.15 CK and ADDR_CTRL Topologies and Routing Definition
          1. 8.2.2.15.1 Four DDR3 Devices
            1. 8.2.2.15.1.1 CK and ADDR_CTRL Topologies, Four DDR3 Devices
            2. 8.2.2.15.1.2 CK and ADDR_CTRL Routing, Four DDR3 Devices
          2. 8.2.2.15.2 Two DDR3 Devices
            1. 8.2.2.15.2.1 CK and ADDR_CTRL Topologies, Two DDR3 Devices
            2. 8.2.2.15.2.2 CK and ADDR_CTRL Routing, Two DDR3 Devices
          3. 8.2.2.15.3 One DDR3 Device
            1. 8.2.2.15.3.1 CK and ADDR_CTRL Topologies, One DDR3 Device
            2. 8.2.2.15.3.2 CK and ADDR/CTRL Routing, One DDR3 Device
        16. 8.2.2.16 Data Topologies and Routing Definition
          1. 8.2.2.16.1 DQS and DQ/DM Topologies, Any Number of Allowed DDR3 Devices
          2. 8.2.2.16.2 DQS and DQ/DM Routing, Any Number of Allowed DDR3 Devices
        17. 8.2.2.17 Routing Specification
          1. 8.2.2.17.1 CK and ADDR_CTRL Routing Specification
          2. 8.2.2.17.2 DQS and DQ Routing Specification
    3. 8.3 High Speed Differential Signal Routing Guidance
    4. 8.4 Power Distribution Network Implementation Guidance
    5. 8.5 Thermal Solution Guidance
    6. 8.6 Single-Ended Interfaces
      1. 8.6.1 General Routing Guidelines
      2. 8.6.2 QSPI Board Design and Layout Guidelines
    7. 8.7 LJCB_REFN/P Connections
    8. 8.8 Clock Routing Guidelines
      1. 8.8.1 32-kHz Oscillator Routing
      2. 8.8.2 Oscillator Ground Connection
  9. 9 Device and Documentation Support
    1. 9.1 Device Nomenclature
      1. 9.1.1 Standard Package Symbolization
      2. 9.1.2 Device Naming Convention
    2. 9.2 Tools and Software
    3. 9.3 Documentation Support
    4. 9.4 Related Links
    5. 9.5 Support Resources
    6. 9.6 Trademarks
    7. 9.7 Electrostatic Discharge Caution
    8. 9.8 Glossary
  10. 10Mechanical, Packaging, and Orderable Information
    1. 10.1 Packaging Information

Package Options

Refer to the PDF data sheet for device specific package drawings

Mechanical Data (Package|Pins)
  • ABC|760
Thermal pad, mechanical data (Package|Pins)
Orderable Information

8.2.2.6 PCB Stackup

The minimum stackup for routing the DDR3 interface is a six-layer stack up as shown in Table 8-5. Additional layers may be added to the PCB stackup to accommodate other circuitry, enhance SI/EMI performance, or to reduce the size of the PCB footprint. Complete stackup specifications are provided in Table 8-6.

Table 8-5 Six-Layer PCB Stackup Suggestion

LAYER TYPE DESCRIPTION
1 Signal Top routing mostly vertical
2 Plane Ground
3 Plane Split power plane
4 Plane Split power plane or Internal routing
5 Plane Ground
6 Signal Bottom routing mostly horizontal

Table 8-6 PCB Stackup Specifications

NO. PARAMETER MIN TYP MAX UNIT
PS1 PCB routing/plane layers 6
PS2 Signal routing layers 3
PS3 Full ground reference layers under DDR3 routing region(1) 1
PS4 Full 1.5-V power reference layers under the DDR3 routing region(1) 1
PS5 Number of reference plane cuts allowed within DDR routing region(2) 0
PS6 Number of layers between DDR3 routing layer and reference plane(3) 0
PS7 PCB routing feature size 4 Mils
PS8 PCB trace width, w 4 Mils
PS9 Single-ended impedance, Zo 50 75 Ω
PS10 Impedance control(5) Z-5 Z Z+5 Ω
  1. Ground reference layers are preferred over power reference layers. Be sure to include bypass caps to accommodate reference layer return current as the trace routes switch routing layers.
  2. No traces should cross reference plane cuts within the DDR routing region. High-speed signal traces crossing reference plane cuts create large return current paths which can lead to excessive crosstalk and EMI radiation.
  3. Reference planes are to be directly adjacent to the signal plane to minimize the size of the return current loop.
  4. An 18-mil pad assumes Via Channel is the most economical BGA escape. A 20-mil pad may be used if additional layers are available for power routing. An 18-mil pad is required for minimum layer count escape.
  5. Z is the nominal singled-ended impedance selected for the PCB specified by PS9.