HD6432633 Datasheet, PDF (748/1453 Pages) Renesas Technology Corp – Series of Microcomputers (MCUs: microcomputer units)

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.
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