# hardware pinout

|function|stm32 package name|stm32 header name|fpga package name|fpga header name|
|-|-|-|-|-|
|SPI MOSI|PA7|D11|L2|JA2|
|SPI CLK|PA5|D13|J2|JA3|
|SPI SR|PA9|D8|H1|JA7|
||
|PPU HBLANK|PA8|D7|K2|JA8|
|PPU VBLANK|PC7|D9|J1|JA1|
||
|unused|PB10|D6|H2|JA9|
||
|APU PWM out|||A15|JB7|
||
|Player 1 up|PB5|D4|
|Player 1 down|PA3|D0|
|Player 1 left|PB3|D3|
|Player 1 right|PB4|D5|
|Player 1 primary|PA10|D2|
|Player 1 secondary|PA2|D1|
||
|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|