参数资料
型号: DS21Q50LN+
厂商: Maxim Integrated Products
文件页数: 29/87页
文件大小: 0K
描述: IC TXRX E1 QUAD 100-LQFP
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 90
功能: 收发器
接口: E1
电路数: 4
电源电压: 3.14 V ~ 3.47 V
电流 - 电源: 230mA
工作温度: -40°C ~ 85°C
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: 托盘
包括: AIS 警报检测器和发生器,回送功能,PRBS 发生器 / 检测器,远程检测器和发生器
DS21Q50
35 of 87
Register Name:
SR1
Register Description:
Status Register 1
Register Address:
0A Hex
Bit
7
6
5
4
3
2
1
0
Name
RSA1
RDMA
RSA0
RSLIP
RUA1
RRA
RCL
RLOS
NAME
BIT
FUNCTION
RSA1
7
Receive Signaling All Ones. Set when the contents of time slot 16 contain fewer than three
0s over 16 consecutive frames. This alarm is not disabled in the CCS signaling mode.
RSA1 and RSA0 are set if a change in signaling is detected.
RDMA
6
Receive Distant MF Alarm. Set when bit 6 of time slot 16 in frame 0 has been set for two
consecutive multiframes. This alarm is not disabled in the CCS signaling mode.
RSA0
5
Receive Signaling All Zeros. Set when over a full MF, time slot 16 contains all zeros.
RSA1 and RSA0 are set if a change in signaling is detected.
RSLIP
4
Receive Elastic Store Slip. Set when the elastic store has either repeated or deleted a frame
of data.
RUA1
3
Receive Unframed All Ones. Set when an unframed all-ones code is received at RPOSI
and RNEGI.
RRA
2
Receive Remote Alarm. Set when a remote alarm is received at RPOSI and RNEGI.
RCL
1
Receive Carrier Loss. Set when 255 (or 2048 if CCR2.1 = 1) consecutive 0s have been
detected at RTIP and RRING.
RLOS
0
Receive Loss of Sync. Set when the device is not synchronized to the receive E1 stream.
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