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| 型号： | DS2152L+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 35/97页 |
| 文件大小： | 0K |
| 描述： | IC TXRX T1 1CHIP ENHNCD 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： | 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： | 管件 |
| 包括： | DSX-1 和 CSU 线路补偿发生器，HDLC 控制器，带内回路代码发生器和检测器 |
| 产品目录页面： | 1429 (CN2011-ZH PDF) |
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DS2152
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6 ERROR COUNT REGISTERS
There are a set of three counters in the DS2152 that record bipolar violations, excessive 0s, errors in the
CRC6 codewords, framing bit errors, and number of multiframes that the device is out of receive
synchronization. Each of these three counters is automatically updated on either 1-second boundaries
(CCR3.2 = 0) or every 42ms (CCR3.2 = 1) as determined by the timer in Status Register 2 (SR2.5).
Hence, these registers contain performance data from either the previous second or the previous 42ms.
The user can use the interrupt from the 1-second timer to determine when to read these registers. The user
has a full second (or 42ms) to read the counters before the data is lost. All three counters will saturate at
their respective maximum counts and they will not rollover (note: only the Line Code Violation Count
Register has the potential to overflow but the bit error would have to exceed 10-2 before this would
occur).
6.1 Line Code Violation Count Register (LCVCR)
Line Code Violation Count Register 1 High (LCVCR1) is the most significant word and LCVCR2 is the
least significant word of a 16-bit counter that records code violations (CVs). CVs are defined as Bipolar
Violations (BPVs) or excessive 0s. See Table 6-1 for details of exactly what the LCVCRs count. If the
B8ZS mode is set for the receive side via CCR2.2, then B8ZS codewords are not counted. This counter is
always enabled; it is not disabled during receive loss of synchronization (RLOS = 1) conditions.
LCVCR1: LINE CODE VIOLATION COUNT REGISTER 1 (Address = 23 Hex)
LCVCR2: LINE CODE VIOLATION COUNT REGISTER 2 (Address = 24 Hex)
(MSB)
(LSB)
LCV15
LCV14
LCV13
LCV12
LCV11
LCV10
LCV9
LCV8
LCVCR1
LCV7
LCV6
LCV5
LCV4
LCV3
LCV2
LCV1
LCV0
LCVCR2
SYMBOL
POSITION
NAME AND DESCRIPTION
LCV15
LCVCR1.7
MSB of the 16-bit code violation count.
LCV0
LCVCR2.0
LSB of the 16-bit code violation count.
Table 6-1. Line Code Violation Counting Arrangements
COUNT
EXCESSIVE 0S?
(RCR1.7)
B8ZS
ENABLED?
(CCR2.2)
WHAT IS COUNTED IN THE
LCVCRs
No
BPVs
Yes
No
BPVs + 16 consecutive 0s
No
Yes
BPVs (B8ZS codewords not counted)
Yes
BPVs + 8 consecutive 0s
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相关代理商/技术参数 |
参数描述 |
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| DS2152L+ | 功能描述:网络控制器与处理器 IC Enhanced T1 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 |
| DS2152L-ES | 制造商:DALL 功能描述: |
| DS2152LN | 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 |
| DS2152LN+ | 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 |
| DS2153DK | 功能描述:KIT DESIGN TXRX E1 DS2153 RoHS:否 类别:编程器，开发系统 >> 过时/停产零件编号 系列:- 标准包装:1 系列:- 传感器类型:CMOS 成像，彩色（RGB） 传感范围:WVGA 接口:I²C 灵敏度:60 fps 电源电压:5.7 V ~ 6.3 V 嵌入式:否 已供物品:成像器板 已用 IC / 零件:KAC-00401 相关产品:4H2099-ND - SENSOR IMAGE WVGA COLOR 48-PQFP4H2094-ND - SENSOR IMAGE WVGA MONO 48-PQFP |
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