参数资料
| 型号： | DS21Q348DK |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 5/17页 |
| 文件大小： | 0K |
| 描述： | KIT DESIGN FOR DS21Q348 |
| 标准包装： | 1 |
| 主要目的： | 电信，线路接口单元（LIU） |
| 已用 IC / 零件： | DS21Q348 |
DS21Q348DK 3.3V E1/T1/J1 Line Interface Design Kit Daughter Card
Control Registers
The control registers are used set the clock frequency on the MCLK and TCLK pins. Options are 1.544MHz,
2.048MHz, external source (through AUX CLK BNC), and tri-state.
MCLK_SRC: MCLK SOURCE (OFFSET = 0x0011) INITIAL VALUE = 0x1
(MSB)
(LSB)
—
—
—
—
HI_Z
EXTOSC
2048MHZ
1544MHZ
NAME
HI_Z
EXTOSC
2048MHZ
1544MHZ
POSITION
MCLK_SRC.3
MCLK_SRC.2
MCLK_SRC.1
MCLK_SRC.0
FUNCTION
1 = Tri-state MCLK.
1 = Connect MCLK to the external oscillator.
1 = Connect MCLK to the 2.048MHz clock.
1 = Connect MCLK to the 1.544MHz clock.
TCLK1_SRC: TCLK SOURCE (OFFSET = 0x0012) INITIAL VALUE = 0x1
(MSB)
(LSB)
—
—
—
—
HI_Z
EXTOSC
2048MHZ
1544MHZ
NAME
HI_Z
EXTOSC
2048MHZ
1544MHZ
POSITION
TCLK1_SRC.3
TCLK1_SRC.2
TCLK1_SRC.1
TCLK1_SRC.0
FUNCTION
1 = Tri-state TCLK1.
1 = Connect TCLK1 to the external oscillator.
1 = Connect TCLK1 to the 2.048MHz clock.
1 = Connect TCLK1 to the 1.544MHz clock.
TCLK2_SRC: TCLK SOURCE (OFFSET = 0x0013) INITIAL VALUE = 0x1
(MSB)
(LSB)
—
—
—
—
HI_Z
EXTOSC
2048MHZ
1544MHZ
NAME
HI_Z
EXTOSC
2048MHZ
1544MHZ
POSITION
TCLK2_SRC.3
TCLK2_SRC.2
TCLK2_SRC.1
TCLK2_SRC.0
FUNCTION
1 = Tri-state TCLK2.
1 = Connect TCLK2 to the external oscillator.
1 = Connect TCLK2 to the 2.048MHz clock.
1 = Connect TCLK2 to the 1.544MHz clock.
TCLK3_SRC: TCLK SOURCE (OFFSET = 0x0014) INITIAL VALUE = 0x1
(MSB)
(LSB)
—
—
—
—
HI_Z
EXTOSC
2048MHZ
1544MHZ
NAME
HI_Z
EXTOSC
2048MHZ
1544MHZ
POSITION
TCLK3_SRC.3
TCLK3_SRC.2
TCLK3_SRC.1
TCLK3_SRC.0
FUNCTION
1 = Tri-state TCLK3.
1 = Connect TCLK3 to the external oscillator.
1 = Connect TCLK3 to the 2.048MHz clock.
1 = Connect TCLK3 to the 1.544MHz clock.
5 of 17
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相关代理商/技术参数 |
参数描述 |
|---|---|
| DS21Q348N | 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 |
| DS21Q348NB | 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 |
| DS21Q348-W | 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 |
| DS21Q352 | 功能描述:网络控制器与处理器 IC 3.3/5V Quad T1/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 |
| DS21Q352B | 功能描述:网络控制器与处理器 IC 3.3/5V Quad T1/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 |
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