
SPI test design based from https://github.com/calonso88/tt07_alu_74181
See https://github.com/calonso88/tt07_alu_74181
Nothing required
| # | Input | Output | Bidirectional |
|---|---|---|---|
| 0 | cpol | busy | |
| 1 | cpha | ||
| 2 | smapling_clk | ||
| 3 | start_signal | spi_miso | |
| 4 | stop_signal | spi_cs_n | |
| 5 | spi_clk | ||
| 6 | spi_mosi | ||
| 7 |