Renesas RX Series

R01UH0823EJ0100 Rev.1.00 Page 454 of 1823
Jul 31, 2019
RX23W Group 22. Multi-Function Pin Controller (MPC)
Serial communications
interface
SCI8 RXD8 (input)/SMISO8 (input/output)/
SSCL8 (input/output)
PC6 
TXD8 (output)/SMOSI8 (input/output)/
SSDA8 (input/output)
PC7 
SCK8 (input/output) PC5 
CTS8# (input)/RTS8# (output)/SS8#
(input)
PC4 
SCI12 RXD12 (input)/SMISO12 (input/output)/
SSCL12 (input/output)/RXDX12 (input)
PE2  ×
TXD12 (output)/SMOSI12 (input/
output)/SSDA12 (input/output)/TXDX12
(output)/SIOX12 (input/output)
PE1
 ×
SCK12 (input/output) PE0
 ×
CTS12# (input)/RTS12# (output)/SS12#
(input)
PE3
 ×
I
2
C bus interface RIIC0 SCL (input/output) P16 
SDA (input/output) P17 
Serial peripheral interface RSPI0 RSPCKA (input/output) PB0 
PC5 
MOSIA (input/output) P16 
PC6 
MISOA (input/output) P17 
PC7 
SSLA0 (input/output) PC4 
SSLA1 (output) PC0 
SSLA3 (output) PC2 
CAN module CRXD0 (input) P15 
CTXD0 (output) P14 
Realtime clock RTCOUT (output) P16 
RTCIC0 (input)*
1
P30 
RTCIC1 (input)*
1
P31 
IrDA interface IRTXD5 (output) PC3 
IRRXD5 (input) PC2 
Serial sound interface SSISCK0 (input/output) P31 
SSIWS0 (input/output) P21  ×
P27

SSITXD0 (output) P17 
SSIRXD0 (input) P26 
AUDIO_MCLK (input) P22  ×
P30

PE3 
Table 22.1 Allocation of Pin Functions to Multiple Pins (4/6)
Module/Function Channel Pin Functions Allocation Port
Package
84-pin 56-pin