SH7729R Datasheet, PDF (654/855 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer Super RISC engine Family/SH7700 Series

18.3.3 Receiving
Received 3/16 IR frame bit-width pulses are demodulated and converted to a UART frame, as
shown in figure 18.5.
Demodulation to 0 is performed for pulse output, and demodulation to 1 is performed for no pulse
output.
Start bit
UART frame
Data
0
1
01
0
0
11
0
1
Stop bit
Start bit
Transmit
Receive
01
IR frame
Data
01
0
01
1
01
Stop bit
Bit cycle
3/16-bit cycle
pulse width
Figure 18.5 Transmit/Receive Operation
Rev. 5.0, 09/03, page 608 of 806