No. 6113-7/22

LC72122V

Serial Data I/O Procedures

The LC72122V inputs and outputs data using the Sanyo CCB (computer control bus) audio IC serial bus format. This IC

adopts an 8-bit address format CCB.

I/O mode

Address

Function

B0

B1

B2

B3

A0

A1

A2

A3

1

2

3

IN1 (82)

IN2 (92)

OUT (A2)

0

0

01

0

1

00

1

0

01

0

1

00

0

1

01

0

1

00

• Control data input mode (serial data input)

• 24 data bits are input.

• See the “DI Control Data (serial data input) Structure”

item for details on the meaning of the input data.

• Control data input mode (serial data input)

• 24 data bits are input.

• See the “DI Control Data (serial data input) Structure”

item for details on the meaning of the input data.

• Data output mode (serial data output)

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

cycles.

• See the “DO Output Data (Serial Data Output) Structure”

item for details on the meaning of the output data.