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10.1 Features
Two types of serial interfaces with 6 transmit/receive channels are provided as the serial interface function, and up
to 4 channels can be used simultaneously.
The following two types of interface configuration are provided.
(1) Asynchronous serial interface (UART0, UART1):
(2) Clocked serial interface (CSI0 to CSI3):
UART0 and UART1 use the method of transmitting and receiving 1 byte of serial data following the start bit, and full
duplex communication is possible.
CSI0 to CSI3 carry out data transfer with 3 types of signal lines, a serial clock (SCK0 to SCK3), serial input (SI0 to
SI3), and serial output (SO0 to SO3) (3-wire serial I/O).
Caution UART0 and CSI0, and UART1 and CSI1 share the same pins, the use of which is specified with the
ASIM00 and ASIM10 registers.
CHAPTER 10 SERIAL INTERFACE FUNCTION
User's Manual U12688EJ4V0UM00
2 channels
4 channels
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