CHIP_SIG_AND_MAP_SPI
rmh.cmd[2] = ((CS8420_DATA_FLOW_CTL & CHIP_SIG_AND_MAP_SPI) |
rmh.cmd[2] = ((CS8420_CLOCK_SRC_CTL & CHIP_SIG_AND_MAP_SPI) |
rmh.cmd[2] &= CHIP_SIG_AND_MAP_SPI;