Stackable-6502-IoBoard
I/O board companion for the Stackable 6502 Computer, providing the following capabilities:
- RS232 serial using a 65C51 ACIA and a MAX232 line driver.
- SPI bus interface, connected to PORTA on the 65C22 VIA on the base board.
- SD card connector for interfacing to 5V Arduino-compatible SD card breakout boards.
- 8 analog inputs using the MCP3208 12-bit SPI ADC chip.
- "PWM" output, connected to the PB7 square wave output of the 65C22 VIA on the base board.
- 4 indicator LED's on PB0, PB1, PB2, and PB3.
The I/O board is 125mm x 82mm and is a 4-layer board. GND and 5V planes are on the two inner layers.
More information, schematics, parts lists, and assembly instructions are available on github:
Stackable-6502-IoBoard
Project images are for reference only. Actual production is based on the manufacturing files on the project page.
Please review the designer's notes (e.g., PCB thickness) and select the appropriate options.
PCBWay is not responsible
for issues caused by unsuitable parameter selections.
For more important ordering information, please refer to
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