参数资料
型号: DS21552LN+
厂商: Maxim Integrated Products
文件页数: 74/137页
文件大小: 0K
描述: IC TXRX T1 1-CHIP 5V 100-LQFP
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 90
功能: 单芯片收发器
接口: E1,HDLC,J1,T1
电路数: 1
电源电压: 4.75 V ~ 5.25 V
电流 - 电源: 75mA
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: DSX-1 和 CSU 线路补偿发生器,HDLC 控制器,带内回路代码发生器和检测器
DS21352/DS21552
41 of 137
CCR6: COMMON CONTROL REGISTER 6 (Address=1E Hex)
(MSB)
(LSB)
RJC
RESA
TESA
RCM4
RCM3
RCM2
RCM1
RCM0
SYMBOL
POSITION
NAME AND DESCRIPTION
RJC
CCR6.7
Receive Japanese CRC6 Enable.
0 = use ANSI/AT&T/ITU CRC6 calculation (normal operation)
1 = use Japanese standard JT–G704 CRC6 calculation
RESA
CCR6.6
Receive Elastic Store Align. Setting this bit from a zero to a one will force the receive
elastic store’s write/read pointers to a minimum separation of half a frame. No action
will be taken if the pointer separation is already greater or equal to half a frame. If
pointer separation is less than half a frame, the command will be executed and the data
will be disrupted. Should be toggled after RSYSCLK has been applied and is stable.
Must be cleared and set again for a subsequent align. See section 14.3 for details.
TESA
CCR6.5
Transmit Elastic Store Align. Setting this bit from a zero to a one will force the
transmit elastic store’s write/read pointers to a minimum separation of half a frame. No
action will be taken if the pointer separation is already greater or equal to half a frame.
If pointer separation is less than half a frame, the command will be executed and the
data will be disrupted. Should be toggled after TSYSCLK has been applied and is
stable. Must be cleared and set again for a subsequent align. See section 14.3 for details.
RCM4
CCR6.4
Receive Channel Monitor Bit 4. MSB of a channel decode that determines which
receive channel data will appear in the RDS0M register. See Section 9 for details.
RCM3
CCR6.3
Receive Channel Monitor Bit 3.
RCM2
CCR6.2
Receive Channel Monitor Bit 2.
RCM1
CCR6.1
Receive Channel Monitor Bit 1.
RCM0
CCR6.0
Receive Channel Monitor Bit 0. LSB of the channel decode.
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