chip select
A line, usually active-low, that tells one SPI device it is being addressed.
Chip select (CS, also SS or CE) is an active-low line per SPI device. Only the device whose CS is low listens and drives CIPO; the others ignore the bus.
A line, usually active-low, that tells one SPI device it is being addressed.
Chip select (CS, also SS or CE) is an active-low line per SPI device. Only the device whose CS is low listens and drives CIPO; the others ignore the bus.