# hardware pinout

|function|stm32 soc name|stm32 header name|fpga soc name|fpga header name|
|-|-|-|-|-|
|SPI MOSI|PA7|D11|L2|JA2|
|SPI CLK|PA5|D13|J2|JA3|
||
|PPU VRAM WEN|PA9|D8|J1|JA1|
||
|APU PWM out|||A15|JB7|
||
|Player 1 up|PB10|D6|
|Player 1 down|PA10|D2|
|Player 1 left|PB4|D5|
|Player 1 right|PA8|D7|
|Player 1 primary|PB5|D4|
|Player 1 secondary|PB3|D3|
||
|Player 2 up|PC1|A4
|Player 2 down|PA0|A0
|Player 2 left|PB0|A3
|Player 2 right|PC0|A5
|Player 2 primary|PA4|A2
|Player 2 secondary|PA1|A1
||
|System reset|||T18|BTNU (button up)|
|System clock|||W5|