参数资料
型号: DS2154L
厂商: Maxim Integrated Products
文件页数: 36/87页
文件大小: 0K
描述: IC TXRX E1 1CHIP 5V ENH 100-LQFP
产品培训模块: Lead (SnPb) Finish for COTS
产品变化通告: Product Discontinuation 20/Feb/2012
标准包装: 90
类型: 收发器
驱动器/接收器数: 1/1
规程: E1
电源电压: 4.75 V ~ 5.25 V
安装类型: 表面贴装
封装/外壳: 100-LQFP
供应商设备封装: 100-LQFP(14x14)
包装: 管件
产品目录页面: 1429 (CN2011-ZH PDF)
DS2154
41 of 87
6.4 FAS Error Counter
FAS Count Register 1 (FASCR1) is the most significant word and FASCR2 is the least significant word
of a 12-bit counter that records word errors in the Frame Alignment Signal in time slot 0. This counter is
disabled during loss of synchronization conditions, (RLOS = 1). Since the maximum FAS word error
count in a 1-second period is 4000, this counter cannot saturate.
FASCR1: FAS BIT COUNT REGISTER 1 (Address = 02 Hex)
FASCR2: FAS BIT COUNT REGISTER 2 (Address = 04 Hex)
(MSB)
(LSB)
FAS11
FAS10
FAS9
FAS8
FAS7
FAS6
(Note 1)
FASCR1
FAS5
FAS4
FAS3
FAS2
FAS1
FAS0
(Note 2)
FASCR2
SYMBOL
POSITION
NAME AND DESCRIPTION
FAS11
FASCR1.7
MSB of the 12-bit FAS error count.
FAS0
FASCR2.2
LSB of the 12-bit FAS error count.
Note 1: The lower 2 bits of FASCR1 at address 02 are the most significant bits of the 10-bit CRC4 error counter.
Note 2: The lower 2 bits of FASCR2 at address 04 are the most significant bits of the 10-bit E-bit counter.
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