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  • Mega Drive Expansion

    Edge connector Pin Name A01 GND A02 NC A03 /C_OE A04 D00 A05 D01 A06 D02 A07 D03 A08 D04 A09 D05 A10 D06 A11 D07 A12 GND A13 D08 A14 D09 A15 D10 A16 D11 A17 D12 A18 D13 A19 D14 A20 D15 A21 Connected to pin 87 of chip 315-5364 A22 /LO_MEM A23 […]

  • Maple Bus

    shield / +—–v—–+ | +-=-=-=-+ | | | 1 3 5 | | | \ 2 4 / | \ +-=-=-+ / \_________/ Pin Description 1 data-and-clock 2 +5VDC 3 Ground 4 device-present 5 Shield

  • Jaguar DSP

    1A 6A (component side) ====== (at the Jaguar) 1B 6B (solder side) 12 PIN EDGE MALE at the Console. Pin Name Description 1A U15 GND Ground 2A SCK ? 3A WS ? 4A TxD Transmit 5A RxD Receive 6A U15 GND ? 1B VCC ? 2B UART0 ? 3B UART1 ? 4B NC ? 5B […]

  • ZX Spectrum Plus3 Expansion

    U 27 26 25 24 23 22 21 8 7 6 5 4 3 2 1 .-. .-. .-. .-. .-. .-. .-. .-. .-. .-. .-. .-. .-. .-. .-. |^^^^^^^^^^^^^^^^^^^^^^^^^^^^ /////// ^^^^^^^^^^^^^^^|^^^^^^^^^^^^^^^^| |____________________________ /////// _______________|________________| `-‘ `-‘ `-‘ `-‘ `-‘ `-‘ `-‘ `-‘ `-‘ `-‘ `-‘ `-‘ `-‘ `-‘ `-‘ L 27 26 […]

  • VIC-20 User I/O

    24 PIN MALE EDGE (DZM 12 DREH) at the computer. Pin Name Description 1 GND Ground 2 +5V +5 VDC (100 mA max) 3 /RESET Reset, will force a Cold Start. Also a reset output for devices. 4 JOY0 This pin is connected to joystick switch 0 (See game port). 5 JOY1 This pin is […]

  • Top Slot (D)

    15 1 oooooooo oooooooo At the Psion 16 2 Pin Signal Description 1 SD7 Data Bit 7 2 SD0 Data Bit 0 3 SD6 Data Bit 6 4 SD1 Data Bit 1 5 SD5 Data Bit 5 6 SD2 Data Bit 2 7 SD4 Data Bit 4 8 SD3 Data Bit 3 9 GND 0 […]

  • TI-99/4A Side Port

    2 44 +———————————-+ | ================================ | +———————————-+ 1 43 Pin Name Dir Description 1 VCC +5 Volts power supply 2 SBE Low if addr in >9000-94xx (sound port) 3 RESET* System reset (active low) 4 EXTINT* External interrupt (active low) 5 A5 Address bus, bit 5 6 A10 Address bus, bit 10 7 A4 Address […]

  • TI-99/4A Card Slot

    60 PIN UNKNOWN CONNECTOR on the computer 59 Left 1 Front ===================== Rear 60 Right 2 Pin Name Dir Description 1 +8V +5V 3-T regulator voltage supply (about +8V) 2 +8V +5V 3-T regulator voltage supply (about +8V) 3 GND Ground 4 READYA System ready (10K pull-up to +5V) 5 GND Ground 6 RESET* System […]

  • SG-1000 Expansion

    ====== ========= (at Console) Bottom 1 8 9 24 (pins only at bottom (solder) side?) Pin Dir Name Description 1 GND Ground 2 GND Ground 3 GND Ground 4 GND Ground 5 A2 Address bit2 6 – n/c not connected 7 ? /IORQ I/O Request 8 ? CONT ? 9 ?  /WR Write 10 ?  […]

  • SDIO

    SD 4-bit mode Pin Name Description 1 CD/DAT[3] Data line 3 2 CMD Command line 3 VSS1 Ground 4 VDD Supply voltage 5 CLK Clock 6 VSS2 Ground 7 DAT[0] Data line 0 8 DAT[1] Data line 1 9 DAT[2] Data line 2 SD 1-bit mode Pin Name Description 1 n/c Not used 2 CMD […]