DS26303LN-120+A3 Maxim Integrated Products, DS26303LN-120+A3 Datasheet - Page 43
DS26303LN-120+A3
Manufacturer Part Number
DS26303LN-120+A3
Description
Buffers & Line Drivers 3.3V E1/T1/J1 Short Haul Octal LIU
Manufacturer
Maxim Integrated Products
Datasheet
1.DS26303LN-120A3.pdf
(101 pages)
Specifications of DS26303LN-120+A3
Lead Free Status / Rohs Status
Details
- Current page: 43 of 101
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Register Name:
Register Description:
Register Address:
Bit #
Name
Default
Bits 2 to 1: Jitter Attenuator Bandwidth Select [1:0] (JABWS[1:0]). These bits JABWS[1:0] select the jitter
attenuator bandwidth. See
Table 5-14. Jitter Attenuator Bandwidth Selections
Bit 0: Receive Hitless-Protection Mode Control (RHPMC). This bit, when set while the OE pin is low, will force
all the receivers to turn off any internal impedance matching on RTIPn and RRINGn. This is used for hitless-
protection switching when the user would like a system requiring no external relays in the system.
Register Name:
Register Description:
Register Address:
Bit #
Name
Default
Bits 7 to 5: Bit Error-Rate Transceiver Select [2:0] (BTS[2:0]). These bits select the LIU that the BERT applies
to. This is only applicable if the BERTE bit is set.
Bit 0: Bit Error-Rate Tester Enable (BERTE). When this bit is set, the BERT is enabled. The BERT is only active
for one transceiver at a time selected by BTS[2:0].
Register Name:
Register Description:
Register Address:
Bit #
Name
Default
Bits 7 to 0: BPV Error Insertion Register n (BEIRn). A 0-to-1 transition on this bit causes a single bipolar
violation (BPV) to be inserted into the transmit data stream channel n. This bit must be cleared and set again for a
subsequent error to be inserted.
JABWS[1:0]
00
01
10
11
BEIR8
BTS2
—
7
0
7
0
7
0
BANDWIDTH CORNER
BEIR7
BTS1
Table 5-14
—
6
0
6
0
6
0
0.625Hz
1.25Hz
2.5Hz
5.0Hz
GMR
Global Management Register
07h
BTCR
Bit Error-Rate Tester Control Register
10h
BEIR
BPV Error Insertion Register
11h
for details.
BEIR6
BTS0
—
5
0
5
0
5
0
DS26303: 3.3V, T1/E1/J1, Short-Haul, Octal Line Interface Unit
BEIR5
43 of 101
—
—
4
0
4
0
4
0
BEIR4
—
—
3
0
3
0
3
0
JABWS1
BEIR3
—
2
0
2
0
2
0
JABWS0
BEIR2
—
1
0
1
0
1
0
RHPMC
BERTE
BEIR1
0
0
0
0
0
0
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