W6811_05 WINBOND [Winbond], W6811_05 Datasheet - Page 18

• Manufacturer Part Number: W6811_05
• 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
BCLKT
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
PCMR
PCMT
FST
T
FSRH
0
1
MSB
MSB
T
D7 D6 D5 D4 D3 D2 D1 D0
D7 D6 D5 D4 D3 D2 D1 D0 D7 D6 D5 D4 D3 D2
T
T
FSRS
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
FDTD
FSFH
T
DRS
B1 Channel
BCH = 0
T
Table 8.4 GCI PCM Timing Parameters
DRH
T
BDTD
Figure 8.4 GCI PCM Timing
T
HID
LSB
LSB
MSB
MSB
T
D7 D6 D5 D4 D3 D2
BDTD
T
FS
T
DRS
- 18 -
B2 Channel
T
BCH = 1
DRH
T
BDTD
T
Publication Release Date: September, 2005
BCKH
T
BCK
D1 D0
D1 D0
T
BCKL
MIN
512
LSB
50
50
20
60
20
10
20
LSB
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---
---
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T
HID
TYP
---
---
---
---
---
---
---
---
---
---
---
8
MAX
6176
60
60
50
60
---
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---
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W6811
Revision A12
UNIT
kHz
kHz
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns