参数资料
| 型号： | DS2154LNA2+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 65/124页 |
| 文件大小： | 0K |
| 描述： | IC TXRX E1 5V 100-LQFP |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 90 |
| 类型： | 收发器 |
| 驱动器/接收器数： | 1/1 |
| 规程： | E1 |
| 电源电压： | 4.75 V ~ 5.25 V |
| 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 |
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DS21354/DS21554 3.3V/5V E1 Single-Chip Transceivers
45 of 124
6.1.
CRC4 Sync Counter
The CRC4 Sync Counter increments each time the 8ms CRC4 multiframe search times out. The counter
is cleared when the framer has successfully obtained synchronization at the CRC4 level. The counter can
also be cleared by disabling the CRC4 mode (CCR1.0 = 0). This counter is useful for determining the
amount of time the framer has been searching for synchronization at the CRC4 level. ITU G.706 suggests
that if synchronization at the CRC4 level cannot be obtained within 400ms, then the search should be
abandoned and proper action taken. The CRC4 Sync Counter will roll over.
SR1: STATUS REGISTER 1 (Address = 06 Hex)
(MSB)
(LSB)
RSA1
RDMA
RSA0
RSLIP
RUA1
RRA
RCL
RLOS
SYMBOL
POSITION
NAME AND DESCRIPTION
RSA1
SR1.7
Receive Signaling All Ones/Signaling Change. Set when the contents
of time slot 16 contain less than three zeros over 16 consecutive frames.
This alarm is not disabled in the CCS signaling mode. Both RSA1 and
RSA0 will be set if a change in signaling is detected.
RDMA
SR1.6
Receive Distant MF Alarm. Set when bit 6 of time slot 16 in frame 0
has been set for two consecutive multiframes. This alarm is not disabled
in the CCS signaling mode.
RSA0
SR1.5
Receive Signaling All Zeros/Signaling Change. Set when over a full
MF, time slot 16 contains all zeros. Both RSA1 and RSA0 will be set if a
change in signaling is detected.
RSLIP
SR1.4
Receive-Side Elastic Store Slip. Set when the elastic store has either
repeated or deleted a frame of data.
RUA1
SR1.3
Receive Unframed All Ones. Set when an unframed all ones code is
received at RPOSI and RNEGI.
RRA
SR1.2
Receive Remote Alarm. Set when a remote alarm is received at RPOSI
and RNEGI.
RCL
SR1.1
Receive Carrier Loss. Set when 255 (or 2048 if CCR3.0 = 1)
consecutive zeros have been detected at RTIP and RRING. (Note: a
receiver carrier loss based on data received at RPOSI and RNEGI is
available in the HSR register)
RLOS
SR1.0
Receive Loss of Sync. Set when the device is not synchronized to the
receive E1 stream.
相关PDF资料 |
PDF描述 |
|---|---|
| DS2154L | IC TXRX E1 1CHIP 5V ENH 100-LQFP |
| DS2155LN | IC TXRX T1/E1/J1 1-CHIP 100-LQFP |
| DS2156LN+ | IC TXRX T1/E1/J1 1-CHIP 100-LQFP |
| DS2172T/T&R | IC TESTER BIT ERROR RATE 32-TQFP |
| DS2174QN+ | IC BERT ENHANCED 44-PLCC |
相关代理商/技术参数 |
参数描述 |
|---|---|
| DS2154LNA2+ | 功能描述:网络控制器与处理器 IC Enhanced 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 |
| DS2154LND2 | 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 |
| DS2154LND2+ | 制造商:Maxim Integrated Products 功能描述:ENHANCED E1 SCT LQFP REVD2 IND LF - Rail/Tube |
| DS2155 | 制造商:DALLAS 制造商全称:Dallas Semiconductor 功能描述:T1/E1/J1 Single-Chip Transceiver TDM/UTOPIA II Interface |
| DS2155_06 | 制造商:DALLAS 制造商全称:Dallas Semiconductor 功能描述:T1/E1/J1 Single-Chip Transceiver |
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