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Rev. 5.00, 09/03, page 564 of 760
17.3.3 Receiving
Received 3/16 IR frame bit-width pulses are demodulated and converted to a UART frame, as
shown in figure 17.5.
Demodulation to 0 is performed for pulse output, and demodulation to 1 is performed for no pulse
output.
UART frame
Data
IR frame
Data
ReceiveTransmit
Stop bit
Stop bit
Start bit
Start bit
Bit cycle 3/16-bit cycle
pulse width
01 01 00 11 01
01 01 0 01 1 01
Figure 17.5 Transmit/Receive Operation