DS26303L-XXX DALLAS [Dallas Semiconductor], DS26303L-XXX Datasheet - Page 2

• Manufacturer Part Number: DS26303L-XXX
• Description: 3.3V, E1/T1/J1, Short-Haul, Octal Line Interface Unit
• Manufacturer: DALLAS [Dallas Semiconductor]

1
2
3
4
5
6
7
4.1
5.1
6.1
6.2
6.3
6.4
6.5
6.6
6.7
6.8
6.9
7.1
DETAILED DESCRIPTION ...............................................................................................................6
TELECOM SPECIFICATIONS COMPLIANCE.................................................................................7
BLOCK DIAGRAMS .........................................................................................................................9
PIN DESCRIPTION .........................................................................................................................11
4.1.1
4.1.2
4.1.3
4.1.4
REGISTERS ....................................................................................................................................24
5.1.1
5.1.2
5.1.3
5.1.4
FUNCTIONAL DESCRIPTION........................................................................................................54
6.3.1
6.3.2
6.3.3
6.3.4
6.3.5
6.3.6
6.3.7
6.3.8
6.4.1
6.4.2
6.4.3
6.4.4
6.4.5
6.4.6
6.8.1
6.8.2
6.8.3
6.8.4
6.9.1
6.9.2
6.9.3
6.9.4
JTAG BOUNDARY SCAN ARCHITECTURE AND TEST ACCESS PORT ...................................72
7.1.1
7.1.2
7.1.3
7.1.4
H
R
P
M
T
R
H
J
G.772 M
L
BERT...........................................................................................................................................68
TAP C
ITTER
OOPBACKS
RANSMITTER
OWER
ARDWARE AND
EGISTER
ECEIVER
ITLESS
ASTER
Hardware Mode................................................................................................................................... 20
Serial Port Operation .......................................................................................................................... 21
Parallel Port Operation........................................................................................................................ 22
Interrupt Handling ............................................................................................................................... 22
Primary Registers................................................................................................................................ 29
Secondary Registers........................................................................................................................... 38
Individual LIU Registers ...................................................................................................................... 40
BERT Registers .................................................................................................................................. 47
Transmit Line Templates .................................................................................................................... 56
LIU Transmit Front-End ...................................................................................................................... 58
Dual-Rail Mode ................................................................................................................................... 59
Single-Rail Mode................................................................................................................................. 59
Zero Suppression—B8ZS or HDB3 .................................................................................................... 59
Transmit Power-Down ........................................................................................................................ 59
Transmit All Ones................................................................................................................................ 59
Driver Fail Monitor............................................................................................................................... 59
Peak Detector and Slicer .................................................................................................................... 59
Clock and Data Recovery ................................................................................................................... 59
Loss of Signal...................................................................................................................................... 60
AIS ...................................................................................................................................................... 60
Bipolar Violation and Excessive Zero Detector................................................................................... 62
LIU Receiver Front-End ...................................................................................................................... 62
Analog Loopback ................................................................................................................................ 65
Digital Loopback.................................................................................................................................. 65
Remote Loopback............................................................................................................................... 66
Dual Loopback .................................................................................................................................... 67
Configuration and Monitoring.............................................................................................................. 68
BERT Interrupt Handling..................................................................................................................... 69
Receive Pattern Detection .................................................................................................................. 69
Transmit Pattern Generation............................................................................................................... 71
Test-Logic-Reset................................................................................................................................. 73
Run-Test-Idle ...................................................................................................................................... 73
Select-DR-Scan .................................................................................................................................. 73
Capture-DR ......................................................................................................................................... 73
ONTROLLER
A
-U
-P
TTENUATOR
C
ONITOR
P AND
.....................................................................................................................................59
LOCK
D
ROTECTION
ESCRIPTION
..................................................................................................................................65
...............................................................................................................................55
............................................................................................................................54
R
H
...........................................................................................................................65
ESET
OST
S
.....................................................................................................................64
TATE
S
P
.................................................................................................................54
WITCHING
ORT
...............................................................................................................29
M
ACHINE
O
TABLE OF CONTENTS
PERATION
(HPS) ......................................................................................62
..............................................................................................73
DS26303: 3.3V, T1/E1/J1, Short-Haul, Octal Line Interface Unit
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