3069RF-ZTAT Datasheet, PDF (478/1003 Pages) Renesas Technology Corp – RENESAS 16-BIT SINGLE-CHIP MICROCOMPUTER

13.1.3 Input/Output Pins
The SCI has serial pins for each channel as listed in table 13.1.
Table 13.1 SCI Pins
Channel Name
0
Serial clock pin
Receive data pin
Transmit data pin
1
Serial clock pin
Receive data pin
Transmit data pin
2
Serial clock pin
Receive data pin
Transmit data pin
Abbreviation
SCK₀
RxD
0
TxD
0
SCK₁
RxD₁
TxD₁
SCK₂
RxD
2
TxD
2
I/O
Input/output
Input
Output
Input/output
Input
Output
Input/output
Input
Output
Function
SCI₀ clock input/output
SCI receive data input
0
SCI transmit data output
0
SCI₁ clock input/output
SCI₁ receive data input
SCI₁ transmit data output
SCI₂ clock input/output
SCI receive data input
2
SCI transmit data output
2
Rev. 5.0, 09/04, page 456 of 978