W681513_05 Datasheet, PDF (14/35 Pages) Winbond – 5V SINGLE-CHANNEL VOICEBAND CODEC FOR USB APPLICATIONS

W681513
SYMBOL
1/T_FS
T_FSL
1/T_BCK
T_BCKH
T_BCKL
T_FTRH
T_FTRS
T_FTFH
T_FDTD
T_BDTD
T_HID
T_FRRH
T_FRRS
T_FRFH
T_DRS
T_DRH
DESCRIPTION
MIN
TYP
FST, FSR Frequency
---
8
FST / FSR Minimum LOW Width ¹
T_BCK
BCLKT, BCLKR Frequency
2000
---
BCLKT, BCLKR HIGH Pulse Width
50
---
BCLKT, BCLKR LOW Pulse Width
50
---
BCLKT 0 Falling Edge to FST Rising 20
---
Edge Hold Time
FST Rising Edge to BCLKT 1 Falling 80
---
edge Setup Time
BCLKT 2 Falling Edge to FST Falling 50
---
Edge Hold Time
FST Rising Edge to Valid PCMT Delay ---
---
Time
BCLKT Rising Edge to Valid PCMT ---
---
Delay Time
Delay Time from the Later of FST 10
---
Falling Edge, or
BCLKT 8 Falling Edge to PCMT Output
High Impedance
BCLKR 0 Falling Edge to FSR Rising 20
---
Edge Hold Time
FSR Rising Edge to BCLKR 1 Falling 80
---
edge Setup Time
BCLKR 2 Falling Edge to FSR Falling 50
---
Edge Hold Time
Valid PCMR to BCLKR Falling Edge 0
---
Setup Time
PCMR Hold Time from BCLKR Falling 50
---
Edge
Table 8.1 Long Frame Sync PCM Timing Parameters
MAX
---
2000
---
---
---
UNIT
kHz
sec
kHz
ns
ns
ns
---
ns
---
ns
60
ns
60
ns
60
ns
---
ns
---
ns
---
ns
---
ns
---
ns
1 _{TFSL must be at least ≥ TBCK}
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