SH7065 Datasheet, PDF (613/941 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperH RISC engine Family/SH7000 Series

Section 14 Serial Communication Interface (SCI)
Reception
Received pulses of 3/16 the IR frame bit width are converted to UART frames after demodulation
as shown in figure 14.25.
When RIVS = 0 in the SCIMR register, demodulation to 0 is executed for pulse output and
demodulation to 1 when there is no pulse output.
Start bit
UART frame
Data
Stop bit
0 1 0 1 0 01 1 0 1
Transmission
Start bit
Reception
IR frame
Data
Stop bit
01
01
0 01 1
01
Bit cycle
3/16 bit cycle pulse
width
Figure 14.25 IrDA Mode Transmit/Receive Operations
Rev. 5.00 Sep 11, 2006 page 591 of 916
REJ09B0332-0500