677User’s Manual U16580EE3V1UD00Chapter 17 Clocked Serial Interface 3 (CSI3)17.1 Features• Transfer rate: Maximum 8 Mbps• Master mode and slave mode selectable• Serial clock and data phase switchable• Transmission data length: 8 to 16 bits (selectable in 1-bit units)• Transfer data MSB-first/LSB-first switchable• Transmission mode, reception mode, and transmission/reception mode selectable• 3-wire serial interface- SO3n: Serial data output- SI3n: Serial data input- SCK3n: Serial clock I/O• Four external chips select signal outputs (SCS3n0 to SCS3n3)• Interrupt request signals × 2- Transmission/reception completion interrupt (INTC3n)- CSIBUFn overflow interrupt (INTC3nOVF)• Sixteen on-chip 20-bit transmit/receive buffers (CSIBUFn)• On-chip dedicated baud rate generatorRemark: μPD70F3187: n = 0, 1μPD70F3447: n = 0
