W681512 Datasheet, PDF (16/38 Pages) Winbond – SINGLE-CHANNEL VOICEBAND CODEC

W681512
SYMBOL
1/T_FS
1/T_BCK
T_BCKH
T_BCKL
T_FTRH
T_FTRS
T_FTFH
T_FTFS
T_BDTD
T_HID
T_FRRH
T_FRRS
T_FRFH
T_FRFS
T_DRS
T_DRH
DESCRIPTION
MIN
FST, FSR Frequency
---
BCLKT, BCLKR Frequency
64
BCLKT, BCLKR HIGH Pulse Width
50
BCLKT, BCLKR LOW Pulse Width
50
BCLKT –1 Falling Edge to FST Rising Edge Hold
20
Time
FST Rising Edge to BCLKT 0 Falling edge Setup
80
Time
BCLKT 0 Falling Edge to FST Falling Edge Hold Time 50
FST Falling Edge to BCLKT 1 Falling Edge Setup
50
Time
BCLKT Rising Edge to Valid PCMT Delay Time
10
Delay Time from BCLKT 8 Falling Edge to PCMT
10
Output High Impedance
BCLKR –1 Falling Edge to FSR Rising Edge Hold
20
Time
FSR Rising Edge to BCLKR 0 Falling edge Setup
80
Time
BCLKR 0 Falling Edge to FSR Falling Edge Hold Time 50
FSR Falling Edge to BCLKR 1 Falling Edge Setup
50
Time
Valid PCMR to BCLKR Falling Edge Setup Time
0
PCMR Hold Time from BCLKR Falling Edge
50
Table 8.2 Short Frame Sync PCM Timing Parameters
TYP MAX UNIT
8
--- kHz
--- 4096 kHz
---
--- ns
---
--- ns
---
--- ns
---
--- ns
---
--- ns
---
--- ns
---
60 ns
---
60 ns
---
--- ns
---
--- ns
---
--- ns
---
--- ns
---
--- ns
---
--- ns
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