586
16.1.3
Pin Configuration
Table 16-1 shows the serial pins for each SCI channel.
Table 16-1 SCI Pins
Channel
Pin Name
Symbol
*
I/O
Function
0
Serial clock pin 0
SCK0
I/O
SCI0 clock input/output
Receive data pin 0
RxD0/IrRxD Input
SCI0 receive data input (normal/IrDA)
Transmit data pin 0
TxD0/IrTxD
Output
SCI0 transmit data output (normal/IrDA)
1
Serial clock pin 1
SCK1
I/O
SCI1 clock input/output
Receive data pin 1
RxD1
Input
SCI1 receive data input
Transmit data pin 1
TxD1
Output
SCI1 transmit data output
2
Serial clock pin 2
SCK2
I/O
SCI2 clock input/output
Receive data pin 2
RxD2
Input
SCI2 receive data input
Transmit data pin 2
TxD2
Output
SCI2 transmit data output
3
Serial clock pin 3
SCK3
I/O
SCI3 clock input/output
Receive data pin 3
RxD3
Input
SCI3 receive data input
Transmit data pin 3
TxD3
Output
SCI3 transmit data output
4
Serial clock pin 4
SCK4
I/O
SCI4 clock input/output
Receive data pin 4
RxD4
Input
SCI4 receive data input
Transmit data pin 4
TxD4
Output
SCI4 transmit data output
Note:
*
Pin names SCK, RxD, and TxD are used in the text for all channels, omitting the channel
designation.