Procedures for Input and Output of Serial Data

This product uses the CCB (Computer Control Bus), which is Sanyo’s audio product serial bus format, for data input and

output. This product adopts an 8-bit address CCB format.

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LC72134M

I/O mode

Address

Function

B0

B1

B2

B3

A0

A1

A2

A3

• Control data input (serial data input) mode

1

IN1 (82)

0

0

0

1

0

1

0

0

• 24 bits of data are input.

• See the “DI Control Data (serial data input)” section for details on the

content of the input data.

• Control data input (serial data input) mode

2

IN2 (92)

1

0

0

1

0

1

0

0

• 24 bits of data are input.

• See the “DI Control Data (serial data input)” section for details on the

content of the input data.

• Control data input (serial data input) mode

3

IN3 (B2)

1

1

0

1

0

1

0

0

• 24 bits of data are input.

• See the “DI Control Data (serial data input)” section for details on the

content of the input data.

• Data output (serial data output) mode

4

OUT (A2)

0

1

0

1

0

1

0

0

• The number of bits output is equal to the number of clock cycles.

• See the “DO Control Data (serial data output)” section for details on the

content of the output data.