LC72135M
Serial Data I/O Methods
The LC72135M inputs and outputs data using the Sanyo CCB (computer control bus) audio LSI serial bus format. This
LSI adopts an 8-bit address format CCB.
I/O mode
Address
B0 B1 B2 B3 A0 A1 A2 A3
Function
• Control data input mode (serial data input)
1
IN1 (82)
0
0
0
1
0
1
0
0
• 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)
2
IN2 (92)
1
0
0
1
0
1
0
0 • 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
3
OUT (A2)
0
1
0
1
0
1
0
0
clock cycles.
• See the “DO Output Data (Serial Data Output) Structure”
item for details on the meaning of the output data.
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