W681512 Datasheet, PDF (19/38 Pages) Winbond – SINGLE-CHANNEL VOICEBAND CODEC

W681512
SYMBOL
1/T_MCK
T_MCKH /
T_MCK
T_MCKH
T_MCKL
T_FTRHM
T_FTRSM
T_RISE
T_FALL
DESCRIPTION
MIN
TYP
Master Clock Frequency
---
256
512
1536
1544
2048
2560
4096
MCLK Duty Cycle for 256 kHz
Operation
45%
Minimum Pulse Width HIGH for
MCLK(512 kHz or Higher)
50
---
Minimum Pulse Width LOW for MCLK
50
---
(512 kHz or Higher)
MCLK falling Edge to FST Rising Edge
50
---
Hold Time
FST Rising Edge to MCLK Falling edge
50
---
Setup Time
Rise Time for All Digital Signals
---
---
Fall Time for All Digital Signals
---
---
Table 8.5 General PCM Timing Parameters
MAX
---
UNIT
kHz
55%
--- ns
--- ns
--- ns
--- ns
50 ns
50 ns
- 19 -
Publication Release Date: April, 2007
Revision C14