Multicomper V1

3 months ago 145
  • Description
  • Documents
  • BOM
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Description

This is a hobby project and comes with no official support. The PCB schematic and board design files are offered 'as is' with no claims made about their fitness for any specific purpose.

The Multicomper motherboard is a simple platform for creating a 'Multicomp' computer based on the design work of Grant Searle - which can be found here:

http://zx80.netai.net/grant/Multicomp/index.html

zpmcomper0.png

The Multicomper holds all the components and connectors needed to create a Multicomp-based designs (Z80, 6809, 6502 etc.). The main part needed is a low-cost Cyclone II development board from your favourite auction site or other supplier - search for EP2C5T144C8N mini board, but do read the notes on the Github page below BEFORE ordering.

The Multicomper has the following additional features:

  • A prototyping area.
  • All spare FPGA pins are broken out to headers do you can use them for your own purposes.
  • A ‘key’ (reset) button in parallel with the one on the FPGA board.
  • An optional regulated 5V power circuit in case you need it.
  • A micro-SD card slot.
  • Two serial port headers (NB: 3.3V logic like all the I/O).
  • VGA and PS/2 keyboard port.
  • Composite video header.
  • Second SPI port with separate CS header pin (link it to the FPGA pin of your choice).

FOR MORE DETAILS AND IMPORTANT CONSTRUCTION NOTES, SEE: https://github.com/linker3000/Multicomper

Documents

Sheet_1

PCB1

BOM

ID Name Designator Footprint Quantity BOM_Supplier BOM_Manufacturer Part BOM_Supplier Part
1 DS1093-01-PN60 KBD DS1093-01-PN60 1 LCSC DS1093-01-PN60 C77848
2 Female header 1*6p UART1,UART2 HDR-6X1/2.54 2 LCSC Female header 1*6p C40877
3 10K R11,R12,R16 AXIAL-0.4 3 LCSC MFR0W4F1002A50 C57436
4 470 R1,R5,R3,R10 AXIAL-0.4 4 LCSC MFR0W4F4700A50 C58592
5 680 R2,R6,R4 AXIAL-0.4 3 LCSC - C119320
6 100 R7,R8 AXIAL-0.4 2 LCSC MFR0W4F1000A50 C57438
7 1K R9 AXIAL-0.4 1 LCSC MFR0W4F1001A50 C57435
8 Composite FBAS1 HDR-2X1/2.54 1 LCSC 2.54mm 1*2P C36717
9 100R R13 AXIAL-0.4 1 LCSC MFR0W4F1000A50 C57438
10 VGA-SHORT VGA1 VGA-SHORT 1 LCSC VGA-SHORT C138387
11 DS1139-06-08SS4BSR SD_CARD1 MICRO-SD9+4P-SMD-16.1X14.5X1.85MM 1 LCSC TF-015 C113206
12 220 R15 AXIAL-0.4 1 LCSC MF1/4W-220Ω±1% C127220
13 VIN H3 HDR-1X2/2.54 1 LCSC 2.54-1*2PFemale C49661
14 330nF C7 CAP-0.2 1 LCSC CT4-1206Y334M500PF3 C128043
15 KEY SW1 SW-TH_4PIN-L6.00-W6.00 1 LCSC TSA061G50-250 C294501
16 Exp2 P6 210S-1X10P 1 LCSC 210S-1*10P L=11.6MMGold-plated black C124372
17 Exp4 P8 210S-1X10P 1 LCSC 210S-1*10P L=11.6MMGold-plated black C124372
18 Exp3 P7 210S-1X10P 1 LCSC 210S-1*10P L=11.6MMGold-plated black C124372
19 Exp1 P5 210S-1X10P 1 LCSC Headers  Pins2.54mm1*10P C57369
20 GND H5 210S-1X6P 1 LCSC Header-Male-2.54_1x6 C37208
21 5V H2 210S-1X3P 1 LCSC Header2.54mm 1*3P C49257
22 3V3 H4 210S-1X3P 1 LCSC Header2.54mm 1*3P C49257
23 100uF C8,C9 CAP-TH_BD5.0-P2.00-D0.8-FD 2 LCSC 10YXF100MFFC5X11 C334315
24 L7805ABV U2 TO-220_HORIZONTAL 1 LCSC L7805CV-DG C3795
25 PWR LED1 LED-3MM/2.54 1 LCSC 204-10SURD/S530-A3 C99772
26 CS H8 HDR-1X1/2.54 1 LCSC Header-Male-2.54_1x1 C81276
27 Header-Female-2.54_2x14 P1,P2,P4,P3 HDR-14X2/2.54 4 LCSC 2×14 Double female header C60375
28 AS6C1008-55PCN U1 DIP-32_600MIL 1 LCSC - C146583
29 Header-Male-2.54_1x2 H1 210S-1X2P 1 LCSC Z-211-0211-0021-001 C152154
30 100nF C1,C2,C3,C4,C5,C6 CAP-TH_D1.00-L6.00-W6.00-P2.54-L 6 LCSC CT4-0805Y104M500F1 C154503
31 SPI2 H7 HDR-6X1/2.54 1 LCSC Female header 1*6p C40877

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