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| 型号： | DS21348T+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 25/76页 |
| 文件大小： | 0K |
| 描述： | IC LIU T1/E1/J1 3.3V 44-TQFP |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 160 |
| 类型： | 线路接口装置（LIU） |
| 驱动器/接收器数： | 1/1 |
| 规程： | T1/E1/J1 |
| 电源电压： | 3.135 V ~ 3.465 V |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 44-TQFP |
| 供应商设备封装： | 44-TQFP（10x10） |
| 包装： | 托盘 |
| 产品目录页面： | 1429 (CN2011-ZH PDF) |
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DS21348/DS21Q348
31 of 76
CCR3 (02H): COMMON CONTROL REGISTER 3
(MSB)
(LSB)
TUA1
ATUA1
TAOZ
TPRBSE
TLCE
LIRST
IBPV
IBE
SYMBOL
POSITION
DESCRIPTION
TUA1
CCR3.7
Transmit Unframed All Ones. The polarity of this bit is set such that the
device will transmit an all ones pattern on power-up or device reset. This
bit must be set to a one to allow the device to transmit data. The
transmission of this data pattern is always timed off of the JACLK (See
0 = transmit all ones at TTIP and TRING
1 = transmit data normally
ATUA1
CCR3.6
Automatic Transmit Unframed All Ones. Automatically transmit an
unframed all ones pattern at TTIP and TRING during a receive carrier loss
(RCL) condition or receive all ones condition.
0 = disabled
1 = enabled
TAOZ
CCR3.5
Transmit Alternate Ones and Zeros. Transmit a …101010… pattern at
TTIP and TRING. The transmission of this data pattern is always timed
off of TCLK (Figure 1-1).
0 = disabled
1 = enabled
TPRBSE
CCR3.4
Transmit PRBS Enable. Transmit a 215 - 1 (E1) or a 220 - 1 (T1) PRBS at
TTIP and TRING (Figure 1-3).
0 = disabled
1 = enabled
TLCE
CCR3.3
Transmit Loop Code Enable. Enables the transmit side to transmit the
loop up code in the Transmit Code Definition registers (TCD1 and
TCD2). See Section 4 and Figure 1-3 for details.
0 = disabled
1 = enabled
LIRST
CCR3.2
Line Interface Reset. Setting this bit from a zero to a one will initiate an
internal reset that resets the clock recovery state machine and re-centers
the jitter attenuator. Normally this bit is only toggled on power-up. Must
be cleared and set again for a subsequent reset.
IBPV
CCR3.1
Insert BPV. A 0 to 1 transition on this bit will cause a single BiPolar
Violation (BPV) to be inserted into the transmit data stream. Once this bit
has been toggled from a 0 to a 1, the device waits for the next occurrence
of three consecutive ones to insert the BPV. This bit must be cleared and
set again for a subsequent error to be inserted (Figure 1-3).
IBE
CCR3.0
Insert Bit Error. A 0 to 1 transition on this bit will cause a single logic
error to be inserted into the transmit data stream. This bit must be cleared
and set again for a subsequent error to be inserted (Figure 1-3).
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相关代理商/技术参数 |
参数描述 |
|---|---|
| DS21348T+ | 功能描述:网络控制器与处理器 IC 3.3V E1/T1/J1 Line Interface 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 |
| DS21348TB | 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 |
| DS21348TN | 功能描述:网络控制器与处理器 IC 3.3V E1/T1/J1 Line Interface 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 |
| DS21348TN+ | 功能描述:网络控制器与处理器 IC 3.3V E1/T1/J1 Line Interface 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 |
| DS21348TNB | 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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