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参数资料
| 型号： | LC72708E |
| 厂商： | SANYO SEMICONDUCTOR CO LTD |
| 元件分类： | 消费家电 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PQFP44 |
| 封装： | QIP-44 |
| 文件页数： | 11/15页 |
| 文件大小： | 159K |
| 代理商： | LC72708E |
Data I/O Techniques
CCB Technique
Sanyo audio ICs input and output data using the Sanyo CCB (computer control bus) standard, which is a serial bus
format. This IC uses an 8-bit address CCB and uses the following addresses.
Data Input Timing
No. 5875-5/15
LC72708E
I/O mode
Address
Function
B0
B1
B2
B3
A0
A1
A2
A3
Input
0
1
0
1
16-bit control data input
Output
1
0
1
Data output for the input clock (CL)
Input
0
1
Data input (in 8-bit units) for the layer 4 CRC check circuit
Data Output Timing
Note:The DO pin is normally left open.
Since the DO pin is an n-channel open drain pin, the time required for the data to change from the low level to the high level depends on the value of
the pull-up resistor.
Internal data latching
Continued from preceding page.
Note: A capacitor of at least 2000 pF must be inserted between VDDD and VSSD when using this IC.
Pin No.
Pin Name
Function
I/O
Circuit type
VREF
35
Reference voltage output (Vdda/2)
Output
VDDA
VSSA
VDDD
VSSD
37
34
2, 10, 24
11,23, 43
Analog system power supply
Analog system ground
Digital system power supply (4.5 to 5.5 V)
Digital system ground
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