BE6502
About the BE6502 PCB
BE6502 is an open source PCB design by 89Mods, published on GitHub under the MIT license. It is a 4-layer board measuring 139.2 × 112.3 mm, with 60 components from 25 distinct parts.
Other key parts include the WD65C02, 74AHC1G14, IS61C256, SST39SF010 and 74HC00. By type, the board carries 15 ICs, 14 resistors, 13 capacitors, 8 connectors, 7 diodes and 2 crystals.
From the project
Misc microcomputer projects
Contains hardware schematics and PCB design files (if applicable) for each computer, as well as example software.
I hope this repo will help people with building their own computers. You can either re-build one of the systems from here, or reference my code and schematics when designing your own.
Main components on the BE6502
BE6502 bill of materials (BOM)
60 components, 25 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | WD65C02 | DIP-40_W15.24mm | U1 |
| 1 | 74AHC1G14 | SOIC-6 | U2 |
| 1 | IS61C256 | DIP-28_W7.62mm | U3 |
| 1 | SST39SF010 | DIP-32_W15.24mm | U4 |
| 1 | 74HC00 | SO-14_3.9x8.65mm_P1.27mm | U5 |
| 1 | 65C22 | DIP-40_W15.24mm | U6 |
| 1 | R65C51 | DIP-28_W15.24mm | U7 |
| 2 | 74AHC1G04 | SOIC-6 | U8, U13 |
| 6 | SK9822 | SK9822-EC20 | U9, U10, U11, U12, U14, U15 |
| 1 | CXO_DIP8 | Oscillator_DIP-8 | X1 |
| 1 | Crystal | Crystal_HC49-4H_Vertical | Y1 |
| 1 | Conn_01x02 | PinHeader_1x02_P2.54mm_Vertical | J1 |
| 2 | Conn_01x06 | PinSocket_1x06_P2.54mm_Vertical | J2, J3 |
| 4 | Conn_01x08 | PinHeader_1x08_P2.54mm_Vertical | J4, J5, J6, J7 |
| 1 | Conn_01x04 | PinHeader_1x04_P2.54mm_Vertical | J8 |
| 1 | SW_Push | SW_PUSH_6mm | SW1 |
| 5 | LED | LED_D3.0mm | D1, D2, D3, D6, D7 |
| 2 | 1N4148 | D_DO-35_SOD27_P7.62mm_Horizontal | D4, D5 |
| 2 | 100µF | CP_Radial_D4.0mm_P2.00mm | C1, C3 |
| 9 | 1µF | C_Disc_D3.8mm_W2.6mm_P2.50mm | C2, C4, C5, C6, C7, C9, C10, C11 +1 |
Show 5 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | 100nF | C_Disc_D3.8mm_W2.6mm_P2.50mm | C8 |
| 1 | 30pF | C_Disc_D3.8mm_W2.6mm_P2.50mm | C12 |
| 11 | 10K | R_Axial_DIN0204_L3.6mm_D1.6mm_P7.62mm_Horizontal | R1, R2, R3, R4, R5, R7, R8, R11 +3 |
| 2 | 1K | R_Axial_DIN0204_L3.6mm_D1.6mm_P7.62mm_Horizontal | R6, R9 |
| 1 | 1M | R_Axial_DIN0204_L3.6mm_D1.6mm_P7.62mm_Horizontal | R10 |
BE6502 design files
The KiCad project lives in the 89Mods/misc-computers repository on GitHub; these links point at the commit this page was built from.
- LayoutBE6502/HW/BE6502.kicad_pcb
- SchematicBE6502/HW/BE6502.kicad_sch
BE6502: common questions
How big is the BE6502 PCB?
The BE6502 measures 139.2 × 112.3 mm, has 4 copper layers and is 1.6 mm thick.
How many components are on the BE6502?
60 components, from 25 distinct parts. The full bill of materials is listed on this page.
Where can I download the BE6502 design files?
From the 89Mods/misc-computers repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.
Can I use the BE6502 design in my own project?
Yes, under the terms of its MIT license, which 89Mods chose for the repository.
