W6811 Datasheet, PDF (19/37 Pages) Winbond – SINGLE-CHANNEL VOICEBAND CODEC

T _FS
FST
T _{FSR H}
T _FSFH
T _{FSR S}
T_BCKH T_BCKL
BCLK T
PC M T
0 1 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
T_{FD TD}
T_{BD TD}
T _{H ID}
T_{BD TD}
T_BDTD T_BCK
T_{H ID}
D7 D6 D5 D4 D3 D2 D1 D0 D7 D6 D5 D4 D3 D2 D1 D0
PC M R
M SB
LSB M SB
LSB
T_DRS
T_{D RH}
T_DRS
T_DRH
D7 D6 D5 D4 D3 D2 D1 D0 D7 D6 D5 D4 D3 D2 D1 D0
M SB
LSB M SB
LSB
BCH = 0
B 1 C hannel
BCH = 1
B 2 C hannel
W6811
Figure 8.4 GCI PCM Timing
SYMBOL
1/T_FST
1/T_BCK
T_BCKH
T_BCKL
T_FSRH
T_FSRS
T_FSFH
T_FDTD
T_BDTD
T_HID
T_DRS
T_DRH
DESCRIPTION
MIN
FST Frequency
---
BCLKT Frequency
512
BCLKT High Pulse Width
50
BCLKT Low Pulse Width
50
BCLKT 0 Falling Edge to FST Rising Edge Hold 20
Time
FST Rising Edge to BCLKT 1 Falling edge Setup 60
Time
BCLKT 1 Falling Edge to FST Falling Edge Hold 20
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 10
channel) or BCLKT 32 Falling Edge (B2 Channel) to
PCMT Output High Impedance
Valid PCMR to BCLKT Rising Edge Setup Time
20
PCMR Hold Time from BCLKT Rising Edge
---
Table 8.4 GCI PCM Timing Parameters
TYP
8
---
---
---
---
---
---
---
---
---
---
---
MAX
---
6176
---
---
---
UNIT
kHz
kHz
ns
ns
ns
---
ns
---
ns
60 ns
60 ns
50 ns
---
ns
60 ns
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Publication Release Date: October 23, 2003
Revision A10