signal,MCU_pad,controller_connector,motor_connector
SPI_CS_N,controller U1.26,controller J1.12,motor J1.12
SPI_CLK,controller U1.27,controller J1.13,motor J1.13
SPI_MOSI,controller U1.29,controller J1.14,motor J1.14
SPI_MISO,controller U1.28,controller J1.15,motor J1.15
