R01UH0823EJ0100 Rev.1.00
Page 969 of 1823
Jul 31, 2019
RX23W Group
33. Serial Communications Interface (SCIg, SCIh)
SCI12
SCK12
I/O
SCI12 clock input/output
SMISO12
I/O
SCI12 slave transmit data input/output
SMOSI12
I/O
SCI12 master transmit data input/output
SS12#
Input
SCI12 chip select input
Table 33.7
SCI Pin Configuration in Extended Serial Mode
Channel
Pin Name
I/O
Function
SCI12
RXDX12
Input
SCI12 receive data input
TXDX12
Output
SCI12 transmit data output
SIOX12
I/O
SCI12 transfer data input/output
Table 33.6
SCI Pin Configuration in Simple SPI Mode (2/2)
Channel
Pin Name
I/O
Function