参数资料
型号: DS21Q50L
厂商: Maxim Integrated Products
文件页数: 51/87页
文件大小: 0K
描述: IC TRANSCEIVER E1 QUAD 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
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: 0°C ~ 70°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
55 of 87
Table 15-1. OUTA and OUTB Function Select
OA3
OA2
OA1
OA0
OB3
OB2
OB1
OB0
FUNCTION
0
External Hardware Control Bit. In this mode, OUTA and OUTB can be used as
simple control pins for external circuitry. Use OA4 and OB4 to toggle OUTA and
OUTB.
0
1
Receive Recovered Clock, RCLK
0
1
0
Receive Loss-of-Sync Indicator. Real-time hardware version of SR1.0
0
1
Receive Loss Of Carrier Indicator. Real-time hardware version of SR1.1
0
1
0
Receive Remote Alarm Indicator. Real-time hardware version of SR1.2
0
1
0
1
Receive Unframed All Ones Indicator. Real-time hardware version of SR1.3
0
1
0
Receive Slip Occurrence Indicator. One-clock-wide pulse for every slip of the
receive elastic store. Hardware version of SR1.4.
0
1
Receive CRC Error Indicator. One-clock-wide pulse for every multiframe that
contains a CRC error. Output forced to 0 during loss of sync.
1
0
Loss Of Transmit Clock Indicator. Real-time hardware version SR2.2 (Table 5-1)
1
0
1
RFSYNC. Recovered frame-sync pulse.
1
0
1
0
PRBS Bit Error. A half-clock-wide pulse for every bit error in the received PRBS
pattern.
1
0
1
TDATA/RDATA
OUTB outputs an NRZ version of the transmit data stream (TDATA) prior to the
transmit line interface.
OUTA outputs the received serial data stream (RDATA) prior to the elastic store.
1
0
Receive CRC4 Multiframe Sync. Recovered CRC4 MF sync pulse.
1
0
1
Receive CAS Multiframe Sync. Recovered CAS MF sync pulse.
1
0
Transmit Current Limit. Real-time indicator that the TTIP and TRING outputs
have reached their 50mA current limit.
1
TPOS/TNEG Output. This mode outputs the AMI/HDB3 encoded transmit data.
OUTA outputs TNEG data.
OUTB outputs TPOS data.
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