参数资料
型号: DS2143QN+
厂商: Maxim Integrated Products
文件页数: 15/44页
文件大小: 0K
描述: IC CONTROLLER E1 5V LP 44-PLCC
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 26
控制器类型: E1 控制器
接口: 并行/串行
电源电压: 4.5 V ~ 5.5 V
电流 - 电源: 10mA
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 44-LCC(J 形引线)
供应商设备封装: 44-PLCC(16.59x16.59)
包装: 管件
产品目录页面: 1429 (CN2011-ZH PDF)
DS2143/DS2143Q
22 of 44
BPVCR1:
UPPER BIPOLAR VIOLATION COUNT REGISTER 1 (Address=00 Hex)
BPVCR2:
LOWER BIPOLAR VIOLATION COUNT REGISTER 2 (Address=01 Hex)
(MSB)
(LSB)
BV7
BV6
BV5
BV4
BV3
BV2
BV1
BV0
BPVCR2
BV15
BV14
BV13
BV12
BV11
BV10
BV9
BV8
BPVCR1
SYMBOL
POSITION
NAME AND DESCRIPTION
BV15
BPVCR1.7
MSB of the bipolar violation count.
BV0
BPVCR2.0
LSB of the bipolar violation count.
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)
(MSB)
(LSB)
CRC7
CRC6
CRC5
CRC4
CRC3
CRC2
CRC1
CRC0
CRCCR2
CRC14
CRC13
CRC12
CRC11
CRC10
CRC9
CRC8
CRCCR1
SYMBOL
POSITION
NAME AND DESCRIPTION
CRC15
CRCCR1.7
MSB of the CRC4 error count.
CRC0
CRCCR2.0
LSB of the CRC4 error count.
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.
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