DS21Q58 E1 Quad Transceiver
3 of 74
21.
LINE INTERFACE UNIT...................................................................................................47
21.1
R
ECEIVE
C
LOCK AND
D
ATA
R
ECOVERY
.....................................................................................47
21.1.1
Termination ...........................................................................................................................................47
21.2
R
ECEIVE
M
ONITOR
M
ODE
.........................................................................................................48
21.3
T
RANSMIT
W
AVESHAPING AND
L
INE
D
RIVING
.............................................................................49
21.4
J
ITTER
A
TTENUATORS
..............................................................................................................51
21.4.1
Clock and Data Jitter Attenuators.........................................................................................................51
21.4.2
Undedicated Clock Jitter Attenuator .....................................................................................................52
22.
CODE MARK INVERSION (CMI) .....................................................................................53
23.
INTERLEAVED PCM BUS OPERATION.........................................................................55
24.
FUNCTIONAL TIMING DIAGRAMS.................................................................................57
24.1
R
ECEIVE
..................................................................................................................................57
24.2
T
RANSMIT
................................................................................................................................59
25.
OPERATING PARAMETERS...........................................................................................62
26.
AC TIMING PARAMETERS AND DIAGRAMS................................................................63
26.1
M
ULTIPLEXED
B
US
AC C
HARACTERISTICS
.................................................................................63
26.2
N
ONMULTIPLEXED
B
US
AC C
HARACTERISTICS
..........................................................................66
26.3
S
ERIAL
P
ORT
...........................................................................................................................68
26.4
R
ECEIVE
AC C
HARACTERISTICS
...............................................................................................69
26.5
T
RANSMIT
AC C
HARACTERISTICS
.............................................................................................71
26.6
S
PECIAL
M
ODES
AC C
HARACTERISTICS
....................................................................................72
27.
PACKAGE INFORMATION..............................................................................................73
28.
REVISION HISTORY........................................................................................................74