LeapFrog Pollux Platform: Cartridge Pinout

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This is the pin out of the cartridge for the LeapFrog Pollux Platform and their alternate available functions.

Pin Out

Cart pin number. Name

  • Connection to Processor , alternate pin function available
  • Extra info


  1. D7
    • SD[7], Static Memory/NAND Data bus 7.
    • Configurable Resistor marked R114 / R125 pulled high or low (Default High)
  2. D6
    • SD[6], Static Memory/NAND Data bus 6.
    • Pulled Low by R123
  3. D5
    • SD[5], Static Memory/NAND Data bus 5.
    • Configurable Resistor marked R85 / R124 pulled high or low (Default High)
  4. D4
    • SD[4], Static Memory/NAND Data bus 4.
    • Configurable Resistor marked R86 / R108 pulled high or low (Default Low)
  5. R/B
    • RnB, NAND Ready & Busy. This is Ready/Busy signal of NAND Flash memory.
    • Pulled Low by R131
  6. RE
    • nNFOE, NAND Read Enable.
  7. CE
    • nNCS0, NAND Chip Select0. This is chip select to NAND Flash memory.
  8. VCC
  9. GND
  10. CLE
    • NFCLE, NAND CLE
  11. ALE
    • NFALE, NAND ALE
  12. WE
    • nNFWE, NAND Write Enable.
  13. WP
    • (Tied to WP on Nand, controlled by U5 dual input and gate on system external reset)
  14. D3
    • SD[3], Static Memory/NAND Data bus 3.
    • Configurable Resistor marked R110 / R87 pulled high or low (Default High)
  15. D2
    • SD[2], Static Memory/NAND Data bus 2.
    • Unpopulated resistor R262 to pull low
  16. D1
    • SD[1], Static Memory/NAND Data bus 1.
    • Configurable Resistor marked R89 / R10 pulled high or low (Default Low)
  17. D0
    • SD[0], Static Memory/NAND Data bus 0.
    • Configurable Resistor marked R106 / R109 pulled high or low (Default High)
  18. GND
  19. Uart TX
    • TX0 UART0 Transmit Pin. (Also connected to TX3, GPIOA[19] UART3 Transmit Pin.)
    • Connected to unpopulated R45
  20. Uart RX
    • RX0 UART0 Receive Pin./UART Boot Pin (Also connected to RX3, GPIOA[20] UART3 Receive Pin)
    • Connected to R43
  21. SD Data 1
    • SDDATA0[1] GPIOB[3], SD Data 1 Channel 1
  22. SD Data 0
    • SDDATA0[0] GPIOB[2], SD Data 1 Channel 0
  23. GND
  24. SD CLOCK
    • SDCLK0 GPIOB[0], SD Clock 1 Channel
  25. VCC
  26. GND
  27. SD Command
    • SDCMD0 GPIOB[1], SD Command 1 Channel
  28. SD Data 3
    • SDDATA0[3] GPIOB[5], SD Data 1 Channel 3
  29. SD Data 2
    • SDDATA0[2] GPIOB[4], SD Data 1 Channel 2
  30. Cart Detect
    • RX2 GPIOA[18], UART2 Receive Pin.


LeapFrog Pollux Platform Cartridge Connector Pin-out