Renesas Stereo System SH7709S Manual De Usuario

Rev. 5.00, 09/03, page 564 of 760

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

Receive

Transmit

Stop bit

Stop bit

Start bit

Start bit

Bit cycle

3/16-bit cycle
pulse width

0

1

0

1

0

0

1

1

0

1

0

1

0

1

0

0

1

1

0

1