LC72133M, 72133V
Serial Data I/O Methods
The LC72133 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 clock
3
OUT (A2)
0
1
0
1
0
1
0
0
cycles.
• See the “DO Output Data (Serial Data Output) Structure”
item for details on the meaning of the output data.
CE
➀
CL
➁
DI
➀
DO
➁
B0 B1 B2 B3 A0 A1 A2 A3
➀ CL: Normal high
➁ CL: Normal low
I/O mode determined
First Data IN1/2
First Data OUT
First Data OUT
A11917
No. 5427-8/23