W6694 Datasheet, PDF (30/33 Pages) Winbond – USB Bus ISDN S/T-Controller

Preliminary W6694
9.4 Preliminary Switching Characteristics
9.4.1 PCM Interface Timing
PBCK
(1.536MHz)
PFCK1
PFCK2
PTXD
PRXD
CH 1 CH 2
Port Port
1
2
Port Port
1
2
24 CHs
Port Port2
1
Port Port
1
2
Note 1: These drawings are not to scale.
Note 2: The frequency of PBCK is 1536 kHz which includes 24 channels of 64 kbps data. The PFCK1 and PFCK2 are located
at channel 1 and channel 2, each with a 8 x PBCK duration.
Detailed PCM timing
PBCK
ta1 ta2
ta3
PFCK1
PFCK2
ta4
PTXD
ta7
PRXD
ta8
ta5
ta6
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