SH7709S Datasheet, PDF (600/807 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer Super RISC engine Family/SH7700 Series

17.1.2 Block Diagram
Figure 17.1 shows a block diagram of the IrDA.
Clock input
SCIF
TxD
Transfer clock
Modulation unit
RxD
Demodulation unit
IrDA
Switching IrDA/SCIF
Legend
SCIF: Serial communication interface with FIFO
Figure 17.1 Block Diagram of IrDA
SCK
TxD1
RxD1
Rev. 5.00, 09/03, page 556 of 760