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參數(shù)資料
型號: W6612
廠商: WINBOND ELECTRONICS CORP
元件分類: 編解碼器
英文描述: Dual PCM Codec(雙通道PCM編解碼器)
中文描述: A/MU-LAW, PCM CODEC, PQFP44
封裝: PLASTIC, QFP-44
文件頁數(shù): 17/21頁
文件大小: 161K
代理商: W6612
W6612
Publication Release Date: October 1998
- 17 -
Revision A1
7.5.2 GCI frame sync timing
(V
DD
= 5
±
5% V; GNDD = 0V; all digital circuits referenced to GNDD; Top = -40 to +85
°
C, C
L
= 150 pF )
PARAMETER
SYM.
CONDITIONS
MIN.
TYP.
MAX.
UNIT
Bit Clock Frequency
T
DCL
DCL (BCLKT1)
512
---
---
4096
- -
KHz
Frame Sync. Frequency
T
FSC
FSC(FST1)
8
KHz
Setup Time for Din(DR1) Valid
T
STDIN
---
20
---
---
nS
Hold Time for
Din(DR1)
Valid
T
HDDIN
---
50
---
---
nS
Output Delay Time for
Dout(DT1) Valid
Output Delay Time for
Dout(DT1) High Impedance
T
DV
DCL to Dout
10
---
60
nS
T
DHI
DCL to Dout
10
---
60
nS
Note: these parameters are shown in Figure 7-3
DCL(BCLKT1)
FSC(FST1)
Dout(DT1)
MSB
LSB
D7
D6
D5
D4
D3
D2
D1
D0
D7
D6
D5
D4
D3
D2
D1
D0
Tdv
Din(DR1)
MSB
LSB
D7
D6
D5
D4
D3
D2
D1
D0
D7
D6
D5
D4
D3
D2
D1
D0
Tstdin
Thddin
1 2 3
4 5
6
7 8
9 10 11 12 13 14 15 16
Tdv
Tdhi
171819 20 2122 23 24 25 26 27 28 29 30 31 32
Tdhi
Figure 7-3 GCI Frame Sync Timing
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