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参数资料
型号： DS21FF42
厂商： Maxim Integrated Products
文件页数： 54/114页
文件大小： 0K
描述： IC FRAMER T1 4X4 16CH 300-BGA
产品培训模块： Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装： 40
控制器类型： T1 调帧器
接口： 并行/串行
电源电压： 2.97 V ~ 3.63 V
电流 - 电源： 300mA
工作温度： 0°C ~ 70°C
安装类型： 表面贴装
封装/外壳： 300-BBGA
供应商设备封装： 300-PBGA（27x27）
包装： 管件
DS21FT42/DS21FF42
44 of 114
SYMBOL
POSITION
NAME AND DESCRIPTION
FBE
RIR1.0
Frame Bit Error. Set when a Ft (D4) or FPS (ESF) framing
bit is received in error.
RIR2: RECEIVE INFORMATION REGISTER 2 (Address=31 Hex)
(MSB)
(LSB)
RLOSC
RCLC
TESF
TESE
TSLIP
RBLC
RPDV
TPDV
SYMBOL
POSITION
NAME AND DESCRIPTION
RLOSC
RIR2.7
Receive Loss of Sync Clear. Set when the framer achieves
synchronization; will remain set until read.
RCLC
RIR2.6
Receive Carrier Loss Clear. Set when the carrier signal is
restored; will remain set until read. See Table 11-1.
TESF
RIR2.5
Transmit Elastic Store Full. Set when the transmit elastic
store buffer fills and a frame is deleted.
TESE
RIR2.4
Transmit Elastic Store Empty. Set when the transmit
elastic store buffer empties and a frame is repeated.
TSLIP
RIR2.3
Transmit Elastic Store Slip Occurrence. Set when the
transmit elastic store has either repeated or deleted a frame.
RBLC
RIR2.2
Receive Blue Alarm Clear. Set when the Blue Alarm (AIS)
is no longer detected; will remain set until read. See Table
11.1
RPDV
RIR2.1
Receive Pulse Density Violation. Set when the receive data
stream does not meet the ANSI T1.403 requirements for
pulse density.
TPDV
RIR2.0
Transmit Pulse Density Violation. Set when the transmit
data stream does not meet the ANSI T1.403 requirements for
pulse density.
RIR3: RECEIVE INFORMATION REGISTER 3 (Address=10 Hex)
(MSB)
(LSB)
–
LORC
–
RAIS-CI
SYMBOL
POSITION
NAME AND DESCRIPTION
–
RIR3.7
Not Assigned. Could be any value when read.
–
RIR3.6
Not Assigned. Could be any value when read.
–
RIR3.5
Not Assigned. Could be any value when read.
LORC
RIR3.4
Loss of Receive Clock. Set when the RCLK pin has not
transitioned for at least 2 us (3 us
1 us).
–
RIR3.3
Not Assigned. Could be any value when read.
–
RIR3.2
Not Assigned. Could be any value when read.
–
RIR3.1
Not Assigned. Could be any value when read.
RAIS-CI
RIR3.0
Receive AIS-CI Detect. Set when the AIS-CI pattern is
detected.
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参数描述
DS21FF42+ 功能描述:网络控制器与处理器 IC 4x4 16/4x3 12 Chnl T1/T1 Framer 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
DS21FF42N 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
DS21FF42N+ 功能描述:网络控制器与处理器 IC 4x4 16/4x3 12 Chnl T1/T1 Framer 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
DS21FF44 功能描述:网络控制器与处理器 IC 4x4 16/4x3 12 Chnl E1/E1 Framer 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
DS21FF44N 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
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