MT8977 Datasheet, PDF (4/26 Pages) Mitel Networks Corporation – ISO-CMOS ST-BUS™ FAMILY T1/ESF Framer Circuit

MT8977 ISO-CMOS
Preliminary Information
Functional Timing Diagrams
C2i
125µSec
DSTi
DSTo
CSTi0/CSTi1
CSTo
7 6 5 4 3 2 1 0 _{• • • • • • • •}⁷
7 6 5 4 3 2 1 0 _{• • • • • • • •7}
Figure 3 - ST-BUS Timing
E1.5i
INT DATA
125µSec
1
1
0
0
1
1
0
1
DS1 AMI
LINE SIGNAL
RxA
RxB
RxD
E8Ko
C1.5i
Figure 4 - DS1 Receive Timing
INT DATA
TxA
TxB
DS1 AMI
LINE SIGNAL
4-102
Figure 5 - DS1 Transmit Timing