R01UH0822EJ0100 Rev.1.00
Page 587 of 1041
Jul 31, 2019
RX13T Group
23. Serial Communications Interface (SCIg, SCIh)
list the pin configuration of the SCIs for the individual modes.
Table 23.4
SCI Pin Configuration in Asynchronous Mode and Clock Synchronous Mode
Channel
Pin Name
I/O
Function
SCI1
SCK1
I/O
SCI1 clock input/output
RXD1
Input
SCI1 receive data input
TXD1
Output
SCI1 transmit data output
CTS1#/RTS1#
I/O
SCI1 transfer start control input/output
SCI5
SCK5
I/O
SCI5 clock input/output
RXD5
Input
SCI5 receive data input
TXD5
Output
SCI5 transmit data output
CTS5#/RTS5#
I/O
SCI5 transfer start control input/output
SCI12
SCK12
I/O
SCI12 clock input/output
RXD12
Input
SCI12 receive data input
TXD12
Output
SCI12 transmit data output
CTS12#/RTS12#
I/O
SCI12 transfer start control input/output
Table 23.5
SCI Pin Configuration in Simple I
2
C Mode
Channel
Pin Name
I/O
Function
SCI1
SSCL1
I/O
SCI1 I
2
C clock input/output
SSDA1
I/O
SCI1 I
2
C data input/output
SCI5
SSCL5
I/O
SCI5 I
2
C clock input/output
SSDA5
I/O
SCI5 I
2
C data input/output
SCI12
SSCL12
I/O
SCI12 I
2
C clock input/output
SSDA12
I/O
SCI12 I
2
C data input/output
Table 23.6
SCI Pin Configuration in Simple SPI Mode
Channel
Pin Name
I/O
Function
SCI1
SCK1
I/O
SCI1 clock input/output
SMISO1
I/O
SCI1 slave transmit data input/output
SMOSI1
I/O
SCI1 master transmit data input/output
SS1#
Input
SCI1 chip select input
SCI5
SCK5
I/O
SCI5 clock input/output
SMISO5
I/O
SCI5 slave transmit data input/output
SMOSI5
I/O
SCI5 master transmit data input/output
SS5#
Input
SCI5 chip select input
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 23.7
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