SH7709S Datasheet, PDF (603/807 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer Super RISC engine Family/SH7700 Series

SCPT[2]/RxD1
IrDA
Serial
receive
data
PDRR*
Internal data bus
Legend
PDRR: SCPDR read
Note: * When reading the RxD1 pin, set the RE bit in SCSCR to 1.
Figure 17.4 SCPT[2]/RxD1 Pin
17.1.3 Pin Configuration
The IrDA has the serial pins summarized in table 17.1.
Table 17.1 IrDA Pins
Pin Name
Signal Name I/O
Function
Serial clock pin
SCK1
I/O
Clock I/O
Receive data pin
RxD1
Input
Receive data input
Transmit data pin
TxD1
Output
Transmit data output
Note: Clock input from the serial clock pin cannot be set in IrDA mode.
Rev. 5.00, 09/03, page 559 of 760