Compe 6502 Mainboard
About the Compe 6502 Mainboard PCB
Compe 6502 Mainboard is an open source PCB design by rjhelms, published on GitHub. It is a 2-layer board measuring 167.6 × 134.6 mm, with 93 components from 22 distinct parts.
Other key parts include the SN74HC138N, 74HC74, 74HC32, 74HC161 and 74HC00. By type, the board carries 32 test points, 23 capacitors, 14 ICs, 10 connectors, 9 resistors and 3 diodes.
It belongs with the retro computing designs in this gallery.
From the project
Homebrew 6502 system
A very much work-in-progress homebrew 6502 system.
Hardware is currently built off of a 6502 protoboard, available at https://github.com/rjhelms/6502proto.
All hardware CC-BY-SA 4.0. All software zlib license unless otherwise specified.
Main components on the Compe 6502 Mainboard
Compe 6502 Mainboard bill of materials (BOM)
93 components, 22 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 4 | SN74HC138N 74HC138 Texas Instruments | SOIC-16_3.9x9.9mm_P1.27mm | U1, U3, U6, U8 |
| 1 | 74HC74 | SOIC-14_3.9x8.7mm_P1.27mm | U2 |
| 1 | 74HC32 | SOIC-14_3.9x8.7mm_P1.27mm | U4 |
| 1 | 74HC161 | SOIC-16_3.9x9.9mm_P1.27mm | U5 |
| 1 | 74HC00 | SOIC-14_3.9x8.7mm_P1.27mm | U7 |
| 2 | 74HC08 | SOIC-14_3.9x8.7mm_P1.27mm | U9, U10 |
| 1 | DS1813 | TO-92_Inline | U11 |
| 1 | W65C02SxxPL | PLCC-44_THT-Socket | U12 |
| 1 | 28C256 | DIP-28_W15.24mm_Socket_LongPads | U13 |
| 1 | 62256 | SOIC-28W_7.5x18.7mm_P1.27mm | U14 |
| 1 | 14.31818MHz | Oscillator_SMD_IQD_IQXO70-4Pin_7.5x5.0mm | X1 |
| 1 | Conn_01x04 | Molex_Micro-Fit_3.0_43045-0400_2x02_P3.00mm_Horizontal | J1 |
| 7 | 345-050-520-202 EDAC | EDAC_345-050-520-202 | J2, J4, J5, J6, J8, J9, J10 |
| 2 | Conn_01x02 | PinHeader_1x02_P2.54mm_Vertical | J3, J7 |
| 1 | SW_Push | SW_SPST_B3S-1000 | SW1 |
| 32 | TestPoint | TestPoint_THTPad_D1.5mm_Drill0.7mm | TP1, TP2, TP3, TP4, TP5, TP6, TP7, TP8 +24 |
| 3 | LED | LED_0805_2012Metric | D1, D2, D3 |
| 3 | 100uF | CP_Elec_6.3x7.7 | C1, C2, C3 |
| 4 | 1uF | C_0805_2012Metric | C4, C6, C10, C21 |
| 16 | 100nF | C_0805_2012Metric | C5, C7, C8, C9, C11, C12, C13, C14 +8 |
Show 2 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 2 | 1K0 | R_0805_2012Metric | R1, R4 |
| 7 | 3K3 | R_0805_2012Metric | R2, R3, R5, R6, R7, R8, R9 |
Compe 6502 Mainboard design files
The KiCad project lives in the rjhelms/compe6502 repository on GitHub; these links point at the commit this page was built from.
Compe 6502 Mainboard: common questions
How big is the Compe 6502 Mainboard PCB?
The Compe 6502 Mainboard measures 167.6 × 134.6 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Compe 6502 Mainboard?
93 components, from 22 distinct parts. The full bill of materials is listed on this page.
Where can I download the Compe 6502 Mainboard design files?
From the rjhelms/compe6502 repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.
Can I use the Compe 6502 Mainboard design in my own project?
The repository has no license, so all rights stay with rjhelms. Use it as a reference, and ask the author before reusing the design.
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