Multicomp in a Box

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Features

  • This is an FPGA card in a box
    • Provides a standardized interface for all FPGA Retrocomputer builds
  • Builds
    • 6502
      • OSI BASIC
      • UK101 / OSI C1P
    • 6800
      • MIKBUG
    • 6809
      • BASIC
      • Beal Crook Multiple OS
    • Z80
      • CP/M (various builds)
  • 68000
    • Teeside 2 compatible

Enclosure

YaeCCC CASE.PNG

Card Set

QM Tech Cyclone V FPGA Board Features

  • QM Tech Cyclone V FPGA Board
  • QMTECH Altera Intel FPGA Core Board Cyclone V CycloneV 5CEFA2F23 SDRAM
    • QMTECH GitHub page
    • On-Board FPGA: 5CEFA2F23I7N
    • On-Board FPGA external crystal frequency: 50MHz
    • 5CEFA2F23 has rich RAM resource up to 1,760Kb
    • 5CEFA2F23 has 25K logic cells
    • On-Board Micron MT25QL128A SPI Flash, 16M bytes for user configuration code
    • On-Board Winbond 32MB SDRAM, W9825G6KH-6
    • On-Board 3.3V power supply for FPGA by using MP2315 wide input range DC/DC
    • 5CEFA2F23 core board has two 64p, 2.54mm pitch headers for extending 108 user IOs. All 108 user IOs are precisely designed with length matching
    • 5CEFA2F23 core board has 3 user switches
    • 5CEFA2F23 core board has 2 user LEDs
    • 5CEFA2F23 core board has JTAG interface, by using 10p, 2.54mm pitch header
    • 5CEFA2F23 core board PCB size is: 6.7cm x 8.4cm
    • Default power source for board is: 1A@5V DC, the DC header type: DC-050, 5.5mmx2.1mm

Power

  • 5V Power comes from the USB
  • 3.3V regulator on the RETRO-EP4CE15 Card
    • H2 pins 2-3 shorted on the RETRO-EP4CE15 card
    • Set to route 3.3V to the I/O connector

Cabling

SD Card

  • SD Card
  • Install J3 on SD Card
    • Runs card off 3.3V
J1 PIN SIGNAL COLOR SD PIN FPGA Pin DIR
2 3.3V ORG 7 VREG 3.3V OUT (PWR)
45 sdSCLK GRY 3 L19 OUT
46 sdMISO BLU 2 L18 IN
47 sdMOSI WHT 4 L22 OUT
48 sdCS VIO 5 M22 OUT
49 GND GRN 1 GND OUT (PWR)

DB-25

DB25-02 3D.png

DB25-02 SCHEMATIC.PNG

GitHub Repository