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參數(shù)資料
| 型號(hào)： | LC72709W |
| 廠商： | SANYO SEMICONDUCTOR CO LTD |
| 元件分類： | 消費(fèi)家電 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PQFP64 |
| 封裝： | SQFP-64 |
| 文件頁(yè)數(shù)： | 12/16頁(yè) |
| 文件大小： | 194K |
| 代理商： | LC72709W |
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No. 5876-5/16
LC72709E, 72709W
Continued from preceding page.
Pin No.
Pin Name
Function
I/O
Circuit type
LC72709E LC72709W
Output
VDDA
VSSA
VDDD
VSSD
54
50
3, 14, 35,
15, 34, 62
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
—
NC
1, 4, 8,
12, 16,
17, 21,
25, 28,
32, 33,
37, 41,
45, 48,
49, 53,
56, 60,
64
–
Not connection
Note: A capacitor of at least 2000 pF must be inserted between VDDD and VSSD when using this IC.
VREF
35
Reference voltage output (Vdda/2)
51
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
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
Internal data latching
A10595
Data Output Timing
A10596
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.
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