參數(shù)資料
型號: UPD9611GT
廠商: NEC Corp.
元件分類: Codec
英文描述: FOUR-CHANNEL PCM CODEC
中文描述: 四通道的PCM編解碼器
文件頁數(shù): 5/28頁
文件大?。?/td> 161K
代理商: UPD9611GT
μ
PD9611
5
Pin No.
Symbol
I/O
Name and Function
28
LAW
I
A-law/
μ
-law select pin in common to four channels
L: A-law, H:
μ
-law
29
RST
Reset input, power-on reset pin
H: normal operation
L: internal registers are in the default status.
30-32
NC
Leave this pin open.
33
DGND
Digital ground pin
34
SUBGND
Substrate ground pin
35
AGND4
Analog ground pin for channel 4
36
AGND3
Analog ground pin for channel 3
37
AGND2
Analog ground pin for channel 2
38
AGND1
Analog ground pin for channel 1
39
ACOM
OUT
4
O
Signal reference voltage output for channel 4
40
ACOM
IN
4
I
Signal reference voltage input for channel 4
41
ACOM
OUT
3
O
Signal reference voltage output for channel 3
42
ACOM
IN
3
I
Signal reference voltage input for channel 3
43
NC
Leave this pin open.
44
A
OUT
3
O
Receive analog output pin for channel 3
45
A
IN
3
I
Transmit analog input pin for channel 3
When not used, connect to ACOM
OUT
1 pin.
46
NC
Leave this pin open.
47
A
OUT
4
O
Receive analog output pin for channel 4
48
A
IN
4
I
Transmit analog input pin for channel 4
When not used, connect to ACOM
OUT
1 pin.
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