DS2143QN Maxim Integrated Products, DS2143QN Datasheet - Page 22
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DS2143QN
Manufacturer Part Number
DS2143QN
Description
IC CONTROLLER E1 5V LP 44-PLCC
Manufacturer
Maxim Integrated Products
Datasheet
1.DS2143Q.pdf
(44 pages)
Specifications of DS2143QN
Controller Type
E1 Controller
Interface
Parallel/Serial
Voltage - Supply
4.5 V ~ 5.5 V
Current - Supply
10mA
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
44-LCC, 44-PLCC
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
DS2143QN+
Manufacturer:
Maxim Integrated Products
Quantity:
135
Company:
Part Number:
DS2143QN/T&R
Manufacturer:
Maxim Integrated
Quantity:
10 000
BPVCR1:
UPPER BIPOLAR VIOLATION COUNT REGISTER 1 (Address=00 Hex)
BPVCR2:
LOWER BIPOLAR VIOLATION COUNT REGISTER 2 (Address=01 Hex)
Bipolar Violation Count Register 1 (BPVCR1) is the most significant word and BPVCR2 is the least
significant word of a 16-bit counter that records bipolar violations (BPVs). If the HDB3 mode is set for
the receive side via CCR.2, then HDB3 code words are not counted. This counter increments at all times
and is not disabled by loss of sync conditions. The counter saturates at 65,535 and will not rollover. The
bit error rate on a E1 line would have to be greater than 10**-2 before the BPVCR would saturate.
CRCCR1: CRC4 COUNT REGISTER 1 (Address=02 Hex)
CRCCR2: CRC4 COUNT REGISTER 2 (Address=03 Hex)
CRC4 Count Register 1 (CRCCR1) is the most significant word and CRCCR2 is the least significant
word of a 16-bit counter that records word errors in the Cyclic Redundancy Check 4 (CRC4). Since the
maximum CRC4 count in a 1-second period is 1000, this counter cannot saturate. The counter is disabled
during loss of sync at either the FAS or CRC4 level; it will continue to count if loss of sync occurs at the
CAS level.
(MSB)
(MSB)
CRC14
CRC7
BV15
BV7
SYMBOL
SYMBOL
CRC15
CRC0
BV15
BV0
CRC14
CRC6
BV14
BV6
POSITION
POSITION
CRCCR1.7
CRCCR2.0
BPVCR1.7
BPVCR2.0
CRC13
CRC5
BV13
BV5
CRC12
CRC4
BV12
BV4
LSB of the bipolar violation count.
MSB of the CRC4 error count.
LSB of the CRC4 error count.
NAME AND DESCRIPTION
MSB of the bipolar violation count.
NAME AND DESCRIPTION
22 of 44
CRC11
CRC3
BV11
BV3
CRC10
CRC2
BV10
BV2
CRC1
CRC9
BV1
BV9
CRC0
CRC8
BV0
BV8
(LSB)
(LSB)
DS2143/DS2143Q
CRCCR2
CRCCR1
BPVCR1
BPVCR2