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)*
P30
RTCIC1 (input)*
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