SPI Controller Card for the Apple ][

An Apple ][ I/O card to control up to four SPI peripherals without the need for bit banging.

BIAS SPI Controller v1.1.zip KiCAD Project Archive Zip Archive - 74.43 kB - 07/20/2021 at 22:33		Download
SPI Controller PCB.pdf PCB Adobe Portable Document Format - 182.29 kB - 07/20/2021 at 22:31		Preview

Execute_SPI_Command.txt Sample Code for SPI command send/data receive plain - 1.39 kB - 07/20/2021 at 21:32		Download
BIAS SPI Controller v1.1.pdf Schematic Adobe Portable Document Format - 78.94 kB - 07/20/2021 at 21:32		Preview