Renesas RL78/G15

RL78/G15 CHAPTER 12 SERIAL ARRAY UNIT
R01UH0959EJ0110 Rev.1.10 Page 398 of 765
Mar 7, 2023
The channels supporting simplified SPI (CSI00, CSI01) are channels 0 and 1 of SAU0.
 10- and 8-pin products
Unit Channel Used as simplified SPI (CSI) Used as UART Used as Simplified I
2
C
0 0 CSI00 UART0 IIC00
1 — —
 20- and 16-pin products
Unit Channel Used as simplified SPI (CSI) Used as UART Used as Simplified I
2
C
0 0 CSI00 UART0 IIC00
1 CSI01 IIC01
Simplified SPI (CSI00, CSI01) performs the following six types of communication operations.
●
Master transmission (See 12.5.1).
●
Master reception (See 12.5.2).
●
Master transmission/reception (See 12.5.3).
●
Slave transmission (See 12.5.4).
●
Slave reception (See 12.5.5).
●
Slave transmission/reception (See 12.5.6).