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| 型号： | DS2180AQN/T&R |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 13/35页 |
| 文件大小： | 0K |
| 描述： | IC TRANSCEIVER T1 IND 44-PLCC |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 500 |
| 功能： | 收发器 |
| 接口： | T1 |
| 电路数： | 1 |
| 电源电压： | 4.5 V ~ 5.5 V |
| 电流 - 电源： | 3mA |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 44-LCC（J 形引线） |
| 供应商设备封装： | 44-PLCC（16.59x16.59） |
| 包装： | 带卷 (TR) |
| 包括： | 警报生成和检测，B7 填充模式，B8ZS 模式，错误检测和计数器，“硬件”模式，透明模式 |
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DS2180A
20 of 35
BVCR: BIPOLAR VIOLATION COUNT REGISTER Figure 19
(MSB)
(LSB)
BVD7
BVD6
BVD5
BVD4
BVD3
BVD2
BVD1
BVD0
SYMBOL
POSITION
NAME AND DESCRIPTION
BVD7
BVCR.7
MSB of bipolar count.
BDV0
BVCR.0
LSB of bipolar count.
This 8-bit binary up counter saturates at 255 and will generate an interrupt for each occurrence of a
bipolar violation once saturated (RIMR.7=1). Presetting this register allows the user to establish specific
count interrupt thresholds. The counter will count “up” to saturation from the preset valued and may be
read at any time. Counter increments occur at all times and are not disabled by resync. If B8ZS is enabled
(CCR.2=1) bipolar violations are not counted for B8ZS code words.
ECR: ERROR COUNT REGISTER Figure 20
(MSB)
(LSB)
OOFD3
OOFD2
OOFD1
OOFD0
ESFD3
ESFD2
ESFD1
ESFD0
ERROR COUNT
ESF ERROR COUNT
SYMBOL
POSITION
NAME AND DESCRIPTION
OOFD3
ECR.7
MSB of OOF event count.
OOFD0
ECR.4
LSB of OOF event count.
ESDF3
ECR.3
MSB of extended superframe error count.
ESFD0
ECR.0
LSB of extended superframe error count.
These separate 4-bit binary up counters saturate at a count of 15 and will generate an interrupt for each
occurrence of an OOF event or an ESF error event after saturation (RIMR.6=1). Presetting these counters
allows the user to establish specific count interrupt thresholds. The counters will count “up” to saturation
from the preset value and may be read at any time. These counters share the same register address and
must be written to or read from simultaneously.
The OOF counter records out-of-frame events in both 193S and 193E. The ESF error counter records
errored superframes in 193E. In 193S, the ESF counter records individual FT and FS errors when
RCR.3=1; FT errors only when RCR.3=0. ECR counter increments are disabled when resync is in
progress (RLOS high).
ALARM OUTPUTS
The transceiver also provides direct alarm outputs for applications when additional decoding and
demuxing are required to supplement the onboard alarm logic.
RLOS OUTPUT
The receive loss of sync output indicates the status of the receiver synchronizer circuitry; when high, an
off-line resynchronization is in progress and a high-low transition indicates resync is complete. The
RLOS bit (RSR.0) is a “latched” version of the RLOS output. If the auto-resync mode is selected
(RCR.1=0), RLOS is a real time indication of a carrier loss or OOF event occurrence.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| DS2180IND | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Telecommunication IC |
| DS2180Q | 制造商:未知厂家 制造商全称:未知厂家 功能描述:PCM Transceiver |
| DS2180QIND | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Telecommunication IC |
| DS2181A | 功能描述:网络控制器与处理器 IC CEPT Primary Rate 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 |
| DS2181A+ | 功能描述:网络控制器与处理器 IC CEPT Primary Rate 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 |
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