参数资料
型号: DS21554L+
厂商: Maxim Integrated Products
文件页数: 64/124页
文件大小: 0K
描述: IC TXRX E1 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: 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: 远程和 AIS 警报检测器 / 发生器
产品目录页面: 1430 (CN2011-ZH PDF)
DS21354/DS21554 3.3V/5V E1 Single-Chip Transceivers
44 of 124
RIR: RECEIVE INFORMATION REGISTER (Address = 08 Hex)
(MSB)
(LSB)
TESF
TESE
JALT
RESF
RESE
CRCRC
FASRC
CASRC
SYMBOL
POSITION
NAME AND DESCRIPTION
TESF
RIR.7
Transmit-Side Elastic Store Full. Set when the transmit-side elastic
store buffer fills and a frame is deleted.
TESE
RIR.6
Transmit-Side Elastic Store Empty. Set when the transmit-side elastic
store buffer empties and a frame is repeated.
JALT
RIR.5
Jitter Attenuator Limit Trip. Set when the jitter attenuator FIFO reaches
to within 4–bits of its limit; useful for debugging jitter attenuation
operation.
RESF
RIR.4
Receive-Side Elastic Store Full. Set when the receive side elastic store
buffer fills and a frame is deleted.
RESE
RIR.3
Receive-Side Elastic Store Empty. Set when the receive side elastic store
buffer empties and a frame is repeated.
CRCRC
RIR.2
CRC Resync Criteria Met. Set when 915/1000 codewords are received
in error.
FASRC
RIR.1
FAS Resync Criteria Met Event (FASRC). Set when three consecutive
FAS words are received in error. Note: During a CRC resync the FAS
synchronizer is brought online to verify the FAS alignment. If during this
process a FAS emulator exists, the FAS synchronizer may temporarily
align to the emulator. The FASRC will go active indicating a search for a
valid FAS has been activated.
CASRC
RIR.0
CAS Resync Criteria Met. Set when two consecutive CAS MF
alignment words are received in error.
SSR: SYNCHRONIZER STATUS REGISTER (Address = 1E Hex)
(MSB)
(LSB)
CSC5
CSC4
CSC3
CSC2
CSC0
FASSA
CASSA
CRC4SA
SYMBOL
POSITION
NAME AND DESCRIPTION
CSC5
SSR.7
CRC4 Sync Counter Bit 5. MSB of the 6-bit counter.
CSC4
SSR.6
CRC4 Sync Counter Bit 4.
CSC3
SSR.5
CRC4 Sync Counter Bit 3.
CSC2
SSR.4
CRC4 Sync Counter Bit 2.
CSC0
SSR.3
CRC4 Sync Counter Bit 0. LSB of the 6-bit counter. The next to LSB is
not accessible.
FASSA
SSR.2
FAS Sync Active. Set while the synchronizer is searching for alignment
at the FAS level.
CASSA
SSR.1
CAS MF Sync Active. Set while the synchronizer is searching for the
CAS MF alignment word.
CRC4SA
SSR.0
CRC4 MF Sync Active. Set while the synchronizer is searching for the
CRC4 MF alignment word.
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DS21554LB+ 功能描述:网络控制器与处理器 IC 3.3/5V E1 Transceiver 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
DS21554LBN 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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