W682510_05 Datasheet, PDF (17/35 Pages) Winbond – DUAL-CHANNEL VOICEBAND CODECS

W682510/W682310
SYMBOL
f_FS
t_WS
t_j
f_BCLK
D_C
t_Ir
t_If
TABLE 8.1: PCM SYNCHRONIZATION PARAMETERS
DESCRIPTION
MIN TYP MAX UNIT
FST, FSR frequency
---
8
--- KHz
FST, FSR Pulse Width
FST, FSR allowable jitter
1
---
7
T_BCLK
0
---
500 nsec
BCLK frequency
64, 128, 256, 512, kHz
1024, 2048, 96, 192,
384, 768, 1536,
1544, 200
BCLK Duty Cycle
40 50 60 %
FSR, FST, BCLK, PCMR1, PCMR2, PUI, PCMMS ---
---
50
nsec
input rise time
FSR, FST, BCLK, PCMR1, PCMR2, PUI, PCMMS ---
---
50
nsec
input fall time
BCLK
FSR
FST
t_Ir
T_BCLK=1/f_BCLK
D_C
t_If
1 23456 78
t_WS
t_j
T_FS=1/f_FS
FIGURE 8.4: PCM SYNCHRONIZATION PARAMETERS
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Publication Release Date: April 2005
Revision A10