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参数资料
| 型号： | DS1878T+T&R |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 48/101页 |
| 文件大小： | 0K |
| 描述： | IC CTLR SFP W/DGTL LDD RX 28TQFN |
| 标准包装： | 2,500 |
| 类型： | SFP+ 控制器 |
| 输入类型： | 模拟，数字 |
| 输出类型： | 数字 |
| 接口： | I²C，LDD，串行 |
| 电流 - 电源： | 2.5mA |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 28-WFQFN 裸露焊盘 |
| 供应商设备封装： | 28-TQFN-EP（5x5） |
| 包装： | 带卷 (TR) |
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DS1878
SFP+ Controller with Digital LDD Interface
50
______________________________________________________________________________________
Lower Memory, Register 74h: WARN3
POWER-ON VALUE
10h
READ ACCESS
All
WRITE ACCESS
N/A
MEMORY TYPE
Volatile
74h
TEMP HI
TEMP LO
VCC HI
VCC LO
MON1 HI
MON1 LO
MON2 HI
MON2 LO
BIT 7
BIT 0
BIT 7
TEMP HI: High-warning status for temperature measurement.
0 = (Default) Last measurement was equal to or below threshold setting.
1 = Last measurement was above threshold setting.
BIT 6
TEMP LO: Low-warning status for temperature measurement.
0 = (Default) Last measurement was equal to or above threshold setting.
1 = Last measurement was below threshold setting.
BIT 5
VCC HI: High-warning status for VCC measurement.
0 = (Default) Last measurement was equal to or below threshold setting.
1 = Last measurement was above threshold setting.
BIT 4
VCC LO: Low-warning status for VCC measurement. This bit is set when the VCC supply is below the POA
trip point value. It clears itself when a VCC measurement is completed and the value is above the low
threshold.
0 = Last measurement was equal to or above threshold setting.
1 = (Default) Last measurement was below threshold setting.
BIT 3
MON1 HI: High-warning status for MON1 measurement.
0 = (Default) Last measurement was equal to or below threshold setting.
1 = Last measurement was above threshold setting.
BIT 2
MON1 LO: Low-warning status for MON1 measurement.
0 = (Default) Last measurement was equal to or above threshold setting.
1 = Last measurement was below threshold setting.
BIT 1
MON2 HI: High-warning status for MON2 measurement.
0 = (Default) Last measurement was equal to or below threshold setting.
1 = Last measurement was above threshold setting.
BIT 0
MON2 LO: Low-warning status for MON2 measurement.
0 = (Default) Last measurement was equal to or above threshold setting.
1 = Last measurement was below threshold setting.
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