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testing_v0.90.md

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Testing DECA Retro Cape 2

Tests v0.90 PCB

  • DB15 VGA connector

    • SCART JP4 jumper (5V on pin 9) to activate TVs for 15 KHz video output (test: PCXT, Pooyan)

  • Mister module connector: tested with dual memory module and XS 2.2

    • 3 extra pins. Test with dual memory module
    • JP6 jumper for 3V3 power supply
    • JP5 jumper for 5V power supply

  • PS2 mouse: PCXT, MiSTery

    • voltage on FPGA pins < 3V3 (Test: 2.75 V)

  • PS2 keyboard: all cores tested

    • voltage on FPGA pins < 3V3. (Test: 3.16V)

  • DB9 / USB3

    • Without joystick connected, keyboard is working fine

    • DB9 joystick (tested with megadrive 6 buttons) (Pooyan, SNES 6 buttons test)

      • voltage on FPGA pins < 2V5 (test: 2.49V)
      • DB9 Mux JP3 solder jumper for Villena addons compatibility (untested)

    • USB3 user IO: tested with USB3 to DB9 SNAC (tested with megadrive 6 buttons) (SNES 6 buttons test)

      • voltage on FPGA pins < 2V5
      • JP9 I/O
      • JP9 3V3 (untested)

    • DB9 / USB3 JP8 jumper selection (gives undesired results)

      Without any jumper placed, if I connect a megadrive pad either to DB9 or USB3 it works and the corresponing pin of the jumper (USB3 / DB9) gets 5V though the gamepad itself.

      CAUTION: Do not connect devices simultaneously into DB9 and USB3 connectors. Doing so may lead to unpredictabily results and damage the FPGA board.

  • PMOD

    • Pmod 1 (tested with Pmod VGA digilent)

    • Pmod 2 (tested with Pmod VGA digilent)

    • Pmod 3

      • JP1 jumper to act as Pmod host

    • Pmod DETO

    • Extended pins for Pmod1 & Pmod2

      • 5V
      • 4 extra central pins for e.g. RGB module of MuseLabs

  • UART Serial connector J15

  • Power supply connector J10

    • 2V5 (LDO)
    • 5V (FPGA)
    • 3V3VP (FPGA)
    • GND
    • 3V3LDO (LDO) (0V as LDO is not assembled)