參數(shù)資料
型號(hào): 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(yè)數(shù): 20/28頁(yè)
文件大小: 161K
代理商: UPD9611GT
μ
PD9611
20
(3) Gain setting timing
Remark
The relationship between SP
SYNC
and SP
CLK
is the same as in the receive timing.
D
X
output measuring circuit
Timing test waveform
D7
D6
D5
D1
Don
t
care
Don
t
care
Don
t
care
Don
t
care
Don
t
care
D0
Don
t care
1
t
GSR
2
3
8
9
SP
SYNC
SP
CLK
SP
DATA
t
FSD
t
GHR
(4) Transmit, receive PCM data input/output timing charts
2.0 V
0.8 V
2.0 V
0.8 V
Test
points
All inputs/outputs other than D
X
pin
2.4 V
0.4 V
2.4 V
0.4 V
Test
points
D
X
pin output
D7 D6 D5 D4 D3 D2 D1 D0 D7 D6 D5 D4
D4 D3 D2 D1 D0
D7 D6 D5 D4
D7 D6 D5 D4 D3 D2 D1 D0 D7 D6 D5 D4
D4 D3 D2 D1 D0
D7 D6 D5 D4
1
2
3
4
5
6
7
8
9 10 11 12 13
28 29 30 31 32 33
256 1
2
3
4
DCLK
(2.048 MHz)
FSC
(8.0 kHz)
D
X
D
R
MSB
MSB
MSB
MSB
SB
MSB
LSB
LSB
LSB
LSB
Channel 1 data
Channel 1 data
Channel 2 data
Channel 2 data
Channel 1 data
Channel 1 data
Channel 4 data
Channel 4 data
Hi-Z
Hi-Z
Don
t care
Don
t care
V
DD
2 k
Output
165 pF
D
X
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