CPU6502
About the CPU6502 PCB
CPU6502 is an open source PCB design by Creep69, published on GitHub. It is a 2-layer board measuring 145 × 85 mm, with 39 components from 25 distinct parts.
Other key parts include the 6502, 74LS688, 74LS74, 74LS04 and 74LS00. By type, the board carries 12 capacitors, 10 ICs, 7 connectors, 4 resistors, 3 jumpers and 2 crystals.
It belongs with the retro computing designs in this gallery.
From the project
Neuauflage des NDR KLEIN COMPUTER
Prototyp einer 65(c)02 CPU Platine f�r das NDR Klein Computersystem
Entwickelt von Rene Vetter mit Unterst�tzung von Jens Mewes basierend auf den Erl�uterungen zu einer 6502-Karte am Z80-BUS:
https://ancientcomputing.blogspot.com/2017/05/a-6502-cpu-for-rc2014-part-1.html
Main components on the CPU6502
CPU6502 bill of materials (BOM)
39 components, 25 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | 6502 | DIP-40_W15.24mm | U1 |
| 1 | 74LS688 | DIP-20_W7.62mm | U2 |
| 2 | 74LS74 | DIP-14_W7.62mm | U3, U10 |
| 1 | 74LS04 | DIP-14_W7.62mm | U4 |
| 1 | 74LS00 | DIP-14_W7.62mm | U5 |
| 3 | 74LS245 | DIP-20_W7.62mm | U6, U8, U9 |
| 1 | TL7705A | DIP-8_W7.62mm | U11 |
| 1 | ACO-4MHz | Oscillator_DIP-14 | X1 |
| 1 | CXO_4MHz | Oscillator_DIP-8 | X2 |
| 1 | NKC-BUS-full | NKC-BUS-full | J2 |
| 1 | Conn_D | Lötbrücke_8_2 | J6 |
| 1 | Conn_A1 | Lötbrücke_8_2 | J8 |
| 1 | Conn_A2 | Lötbrücke_8_2 | J9 |
| 1 | RESET | PinHeader_1x02_P2.54mm_Horizontal | J11 |
| 1 | Conn_IO_Address | PinHeader_2x08_P2.54mm_Vertical-gespiegelt | J12 |
| 1 | Conn_Proto | PinHeader_1x07_P2.54mm_Vertical | J13 |
| 1 | 6502/65c02 | PinHeader_1x02_P2.54mm_Vertical | JP1 |
| 1 | /W_R/W | PinHeader_1x03_P2.54mm_Vertical | JP2 |
| 1 | Conn_CLK | PinHeader_2x03_P2.54mm_Vertical | JP3 |
| 1 | SW_RESET | SW_PUSH_6mm | SW1 |
Show 5 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 11 | 100n | C_Disc_D3.0mm_W1.6mm_P2.50mm | C1, C2, C3, C4, C5, C6, C8, C9 +3 |
| 1 | 47µ | CP_Radial_D8.0mm_P3.50mm | C13 |
| 2 | 22k | R_Axial_DIN0207_L6.3mm_D2.5mm_P2.54mm_Vertical | R1, R2 |
| 1 | 4x3k3 | R_Array_SIP5 | RN1 |
| 1 | 8x 3k3 | R_Array_SIP9 | RN2 |
CPU6502 design files
The KiCad project lives in the Creep69/NKC repository on GitHub; these links point at the commit this page was built from.
CPU6502: common questions
How big is the CPU6502 PCB?
The CPU6502 measures 145 × 85 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the CPU6502?
39 components, from 25 distinct parts. The full bill of materials is listed on this page.
Where can I download the CPU6502 design files?
From the Creep69/NKC repository on GitHub, which has the KiCad layout; the links under Design files point to each one.
Can I use the CPU6502 design in my own project?
The repository has no license, so all rights stay with Creep69. Use it as a reference, and ask the author before reusing the design.
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