W6811 WINBOND [Winbond], W6811 Datasheet - Page 19

• Manufacturer Part Number: W6811
• Description: SINGLE-CHANNEL VOICEBAND CODEC
• Manufacturer: WINBOND [Winbond]

SYMBOL
1/T
1/T
T
T
T
T
T
T
T
T
T
T
BCKH
BCKL
FSRH
FSRS
FSFH
FDTD
BDTD
HID
DRS
DRH
FST
BCK
B C LK T
DESCRIPTION
FST Frequency
BCLKT Frequency
BCLKT High Pulse Width
BCLKT Low Pulse Width
BCLKT 0 Falling Edge to FST Rising Edge Hold
Time
FST Rising Edge to BCLKT 1 Falling edge Setup
Time
BCLKT 1 Falling Edge to FST Falling Edge Hold
Time
FST Rising Edge to Valid PCMT Delay Time
BCLKT Rising Edge to Valid PCMT Delay Time
Delay Time from the BCLKT 16 Falling Edge (B1
channel) or BCLKT 32 Falling Edge (B2 Channel) to
PCMT Output High Impedance
Valid PCMR to BCLKT Rising Edge Setup Time
PCMR Hold Time from BCLKT Rising Edge
PC M R
PC M T
FST
T
FSR H
0
1
M SB
M SB
T
D 7 D 6 D 5 D 4 D 3 D 2 D 1 D 0
D 7 D 6 D 5 D 4 D 3 D 2 D 1 D 0 D 7 D 6 D 5 D 4 D 3 D 2 D 1 D 0
T
T
FSR S
2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34
FD TD
FSFH
T
D R S
B 1 C hannel
B C H = 0
T
Table 8.4 GCI PCM Timing Parameters
D R H
T
B D TD
Figure 8.4 GCI PCM Timing
T
H ID
LSB
LSB
M SB
M SB
T
D 7 D 6 D 5 D 4 D 3 D 2 D 1 D 0
- 19 -
B D TD
T
FS
T
D R S
B 2 C hannel
T
B C H = 1
D R H
T
Publication Release Date: October 23, 2003
B D TD
T
B C K H
T
B C K
T
MIN
---
512
50
50
20
60
20
---
---
10
20
---
B C K L
LSB
LSB
T
H ID
TYP
8
---
---
---
---
---
---
---
---
---
---
---
MAX
---
6176
---
---
---
---
---
60
60
50
---
60
W6811
Revision A10
ns
ns
UNIT
kHz
kHz
ns
ns
ns
ns
ns
ns
ns
ns