SPRACK9 February   2019 AM1705 , AM1707 , AM1806 , AM1808 , OMAP-L132 , OMAP-L137 , OMAP-L138 , TMS320C6742 , TMS320C6745 , TMS320C6746 , TMS320C6747 , TMS320C6748

 

  1.   OMAP-L13x/C674x/AM1x schematic review guidelines
    1.     Trademarks
    2. 1 Introduction
    3. 2 Recommendations Specific to OMAP-L1x/TMS320C674x/AM1x
      1. 2.1 EVM vs Data Sheet
      2. 2.2 Before You Begin
        1. 2.2.1 Documentation
        2. 2.2.2 Pinout
      3. 2.3 Critical Connections
        1. 2.3.1 Decoupling capacitors
        2. 2.3.2 Power
        3. 2.3.3 Ground
        4. 2.3.4 Clocking
        5. 2.3.5 Reset
        6. 2.3.6 Boot
        7. 2.3.7 Pin multiplexing
        8. 2.3.8 Debug
      4. 2.4 Peripherals
        1. 2.4.1 UART
        2. 2.4.2 EMAC
        3. 2.4.3 MMC/SD
        4. 2.4.4 EMIF
          1. 2.4.4.1 NAND
          2. 2.4.4.2 NOR
          3. 2.4.4.3 DDR2/mDDR
        5. 2.4.5 SPI
        6. 2.4.6 I2C
        7. 2.4.7 McASP
          1. 2.4.7.1 Audio
        8. 2.4.8 USB
          1. 2.4.8.1 USB0 (USB 2.0 OTG)
          2. 2.4.8.2 USB1 (USB 1.1 OHCI)
          3. 2.4.8.3 Unused USB pins
          4. 2.4.8.4 USB Board Design Guidelines
            1. 2.4.8.4.1 Cautionary note - USB PHY off while host is still powered on
        9. 2.4.9 Other
          1. 2.4.9.1 Signal Visibility
          2. 2.4.9.2 Voltage Level Changes
          3. 2.4.9.3 Signal Terminations
          4. 2.4.9.4 Ground Symbols
          5. 2.4.9.5 Power Symbols
    4. 3 BGA PCB Design
    5. 4 Power Management Solutions
    6. 5 References
  2.   A XDS Connector Design Checklist
    1.     A.1 XDS Connector Design
  3.   B Connecting NOR Flash to OMAP-L138
    1.     B.1 Connecting Memory Devices <32 MB
    2.     B.2 Connecting Memory Devices >32 MB

2.4.6 I2C

  • Approximately 5K pull ups on both lines (only one set, or two sets of 10K pull ups) are recommended.
  • Make sure that all devices on a given I2C bus have unique addresses (often this is configurable through a pin to enable multiple of the same device).