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参数资料
| 型号： | DS3254DK |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 10/71页 |
| 文件大小： | 0K |
| 描述： | KIT DEMO FOR DS3254 |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 设计资源： | DS3254DK Gerber Files |
| 标准包装： | 1 |
| 主要目的： | 电信，线路接口单元（LIU） |
| 已用 IC / 零件： | DS3254 |
| 已供物品： | 板，CD |
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DS3251/DS3252/DS3253/DS3254
18 of 71
Register Name:
RCRn
Register Description:
Receiver Configuration Register
Register Address:
02h, 12h, 22h, 32h
Bit
7
6
5
4
3
2
1
0
Name
ITU
RBIN
RCINV
RJA
RPD
RTS
RMON
RCVUD
Default
0
1
0
Bit 7: ITU CV Mode (ITU). This bit controls what types of bipolar violations (BPVs) are flagged as code violations
on the RLCV pin and counted in the RCV register. It also controls whether or not excessive zero (EXZ) events are
flagged and counted. An EXZ event is the occurrence of a third consecutive zero (DS3 or STS-1 modes) or fourth
consecutive zero (E3 mode) in a sequence of zeros.
0 = In all three modes (DS3, E3, and STS-1) BPVs that are not part of a valid codeword are flagged and
counted. EXZ events are also flagged and counted.
1 = In DS3 and STS-1 modes, BPVs that are not part of valid codewords are flagged and counted. In E3
mode, BPVs that are the same polarity as the last BPV are flagged and counted. EXZ events are not
flagged and counted in any mode.
Bit 6: Receiver Binary Interface Enable (RBIN)
0 = Receiver framer interface is bipolar on the RPOS and RNEG pins. The B3ZS/HDB3 decoder is
disabled.
1 = Receiver framer interface is binary on the RDAT pin with the RLCV pin indicating line-code violations.
The B3ZS/HDB3 encoder is enabled.
Bit 5: Receiver Clock Invert (RCINV)
0 = RPOS/RDAT and RNEG/RLCV are sampled on the falling edge of RCLK.
1 = RPOS/RDAT and RNEG/RLCV are sampled on the rising edge of RCLK.
Bit 4: Receiver Jitter Attenuator Enable (RJA). (Note that TCR:TJA = 1 takes precedence over RJA = 1.)
0 = remove jitter attenuator from the receiver path
1 = insert jitter attenuator into the receiver path
Bit 3: Receiver Power-Down Enable (RPD)
0 = enable the receiver
1 = power-down the receiver (RPOS/RDAT, RNEG/RLCV, and RCLK tri-stated)
Bit 2: Receiver Tri-State Enable (RTS). This signal is set to 1 on reset, which tri-states the receiver RPOS/RDAT,
RNEG/RLCV, and RCLK pins. The receiver is left powered up in this mode. The
RTS pin is inverted and logically
ORed with this bit.
0 = enable the receiver outputs
1 = tri-state the receiver outputs (RPOS/RDAT, RNEG/RLCV, and RCLK)
Bit 1: Receiver Monitor Preamp Enable (RMON)
0 = disable the monitor preamp
1 = enable the monitor preamp
Bit 0: Receive Code-Violation Counter Update (RCVUD). When this control bit transitions from low to high, the
RCVL and RCVH registers are loaded with the current code-violation count, and the internal code-violation counter
is cleared.
0
→1 = Update RCV registers and clear internal code-violation counter
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相关代理商/技术参数 |
参数描述 |
|---|---|
| DS3254N | 功能描述:网络控制器与处理器 IC Quad DS3/E3/STS-1 Line Interface Unit 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 |
| DS3254N# | 功能描述:网络控制器与处理器 IC Quad DS3/E3/STS-1 Line Interface Unit 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 |
| DS3254N+ | 功能描述:网络控制器与处理器 IC Quad DS3/E3/STS-1 Line Interface Unit 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 |
| DS3254NA3 | 制造商:Maxim Integrated Products 功能描述:QUAD ENH DS3/E3 LIU REV A3 IND - Rail/Tube |
| DS3256 | 功能描述:网络控制器与处理器 IC X6 T3/E3 Line Interface Unit 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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