MT8976 ISO-CMOS
50
Percentage Reframe Time Probability Versus Reframe Time
With Pseudo Random Data
D4
ESF
40
%
30
20
10
0
0
7
8
10
12
14
16
18
20
22
24
26
28
30
32
34
Reframe Time (msec)
Figure 9 - Reframe Time
MT8980
MT8976
Tx
Line
Driver
TxA
Equa-
lizer
STi3
STo0
DSTi
DSTo
CSTi0
CSTo
CSTi1
TxB
STi0
STo1
STo3
MH89761
STi1
STo2
C4i
RxA
F0i
•
Line
Receiver
F0i
•
RxB
C2i
•
C1.5i
Micro
Processor
RxD
•
TxFDL
MT8940/41
TxFDLClk
TxSF
MT8952
RxFDL
RxSF
RxFDLClk
E1.5i
E8Ko
CDSTi
CKi
CDSTo
TxCEN
C2
Clock
Extractor
MT8940/41
CVb
1.544
MHz
12.355/12.352
MHz Osc.
RxCEN
F0i
C2o
F0b
D
Q
D
Q
Q
•
16.388/16.384
MHz Osc.
C4b
C8Kb
C2
Q
C2
Figure 10 - Typical ESF Configuration
4-44
MITEL [ MITEL NETWORKS CORPORATION ]
