参数资料
型号: DS2148T+
厂商: Maxim Integrated Products
文件页数: 26/73页
文件大小: 0K
描述: IC LIU E1/T1/J1 5V 44-TQFP
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 160
类型: 线路接口装置(LIU)
驱动器/接收器数: 1/1
规程: T1/E1/J1
电源电压: 4.75 V ~ 5.25 V
安装类型: 表面贴装
封装/外壳: 44-TQFP
供应商设备封装: 44-TQFP(10x10)
包装: 托盘
产品目录页面: 1429 (CN2011-ZH PDF)
DS2148/DS21Q48
32 of 73
CCR5 (04H): COMMON CONTROL REGISTER 5
(MSB)
(LSB)
BPCS1
BPCS0
MM1
MM0
RSCLKE
TSCLKE
RT1
RT0
SYMBOL
POSITION
DESCRIPTION
BPCS1
CCR5.7
Backplane Clock Select 1. See Table 4-3 for details.
BPCS0
CCR5.6
Backplane Clock Select 0. See Table 4-3 for details.
MM1
CCR5.5
Monitor Mode 1. See Table 4-4.
MM0
CCR5.4
Monitor Mode 0. See Table 4-4.
RSCLKE
CCR5.3
Receive Synchronization Clock Enable. This control bit determines
whether the line receiver should handle normal T1/E1 signals or a
synchronized signal.
E1 mode:
0 = receive normal E1 signal (Section 6 of G.703)
1 = receive 2.048 MHz synchronization signal (Section 10 of G.703)
T1 mode:
0 = receive normal T1 signal
1 = receive 1.544 MHz synchronization signal
TSCLKE
CCR5.2
Transmit Synchronization Clock Enable. This control bit determines
whether the transmitter should transmit normal T1/E1 signals or a
synchronized signal.
E1 mode:
0 = transmit normal E1 signal (Section 6 of G.703)
1 = transmit 2.048 MHz synchronization signal (Section 10 of G.703)
T1 mode:
0 = transmit normal T1 signal
1 = transmit 1.544 MHz synchronization signal
RT1
CCR5.1
Receive Termination 1. See Table 4-5 for details.
RT0
CCR5.0
Receive Termination 0. See Table 4-5 for details.
Table 4-3. Backplane Clock Select
BPCS1
(CCR5.7)
BPCS0
(CCR5.6)
BPCLK
FREQUENCY
0
16.384MHz
0
1
8.192MHz
1
0
4.096MHz
1
2.048MHz
Table 4-4. Monitor Gain Settings
MM1
(CCR5.5)
MM0
(CCR5.4)
INTERNAL LINEAR GAIN
BOOST (dB)
0
Normal operation (no boost)
0
1
20
1
0
26
1
32
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DS2148T+ 功能描述:网络控制器与处理器 IC 5V E1/T1/J1 Line Interface RoHS:否 制造商:Micrel 产品:Controller Area Network (CAN) 收发器数量: 数据速率: 电源电流(最大值):595 mA 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:PBGA-400 封装:Tray
DS2148TA2 功能描述:网络控制器与处理器 IC 5V E1/T1/J1 Line Interface RoHS:否 制造商:Micrel 产品:Controller Area Network (CAN) 收发器数量: 数据速率: 电源电流(最大值):595 mA 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:PBGA-400 封装:Tray
DS2148TB 功能描述:网络控制器与处理器 IC RoHS:否 制造商:Micrel 产品:Controller Area Network (CAN) 收发器数量: 数据速率: 电源电流(最大值):595 mA 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:PBGA-400 封装:Tray
DS2148TC1 功能描述:网络控制器与处理器 IC RoHS:否 制造商:Micrel 产品:Controller Area Network (CAN) 收发器数量: 数据速率: 电源电流(最大值):595 mA 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:PBGA-400 封装:Tray
DS2148TN 功能描述:网络控制器与处理器 IC 5V E1/T1/J1 Line Interface RoHS:否 制造商:Micrel 产品:Controller Area Network (CAN) 收发器数量: 数据速率: 电源电流(最大值):595 mA 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:PBGA-400 封装:Tray