LC72121, 72121M, 72121V
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.
Address
I/O mode
IN1 (82)
Function
B0
0
B1
0
B2
0
B3
1
A0
0
A1
1
A2
0
A3
0
• Control data input (serial data input) mode
• 24 bits of data are input.
• See the “DI Control Data (serial data input)” section for details on the
content of the input data.
1
2
3
• Control data input (serial data input) mode
• 24 bits of data are input.
• See the “DI Control Data (serial data input)” section for details on the
content of the input data.
IN2 (92)
1
0
0
1
0
0
1
1
0
0
1
1
0
0
0
0
• Data output (serial data output) mode
• 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.
OUT (A2)
I/O mode determined
CL: Normally high
CL: Normally low
No. 5815-7/22
SANYO [ SANYO SEMICON DEVICE ]
