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| 型号： | ADM1031ARQZ-REEL |
| 厂商： | ANALOG DEVICES INC |
| 元件分类： | 温度/湿度传感器 |
| 英文描述： | DIGITAL TEMP SENSOR-SERIAL, 8BIT(s), 3Cel, RECTANGULAR, SURFACE MOUNT |
| 封装： | LEAD FREE, MO-137AB, QSOP-16 |
| 文件页数： | 20/36页 |
| 文件大小： | 596K |
| 代理商： | ADM1031ARQZ-REEL |
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ADM1031
Rev. B | Page 27 of 36
Table 16. Registers
Register Name
Address A7-A0
in Hex
Comments
Value Registers
0x08–0x1E
See Table 17.
Device ID Register
0x3D
This location contains the device identification number. Since this device is the ADM1031,
this register contains 0x31. This register is read only.
Company ID
0x3E
This location contains the company identification number (0x41). This register is read only.
THERM
Behavior/Revision
0x3F
This location contains the revision number of the device. The lower four bits reflect device
revisions [3:0]. Bit 7 of this register is the THERM-to-fan enable bit. See Table 21.
Configuration Register 1
0x00
See Table 18. (Power-On Value = 1001 0000)
Configuration Register 2
0x01
See Table 19. (Power-On Value = 0111 1111)
Status Register 1
0x02
See Table 20. (Power-On Value = 0000 0000)
Status Register 2
0x03
See Table 21. (Power-On Value = 0000 0000)
Manufacturer’s Test
Register
0x07
This register is used by the manufacturer for test purposes only. This register should not be
read from or written to in normal operation.
Fan Characteristics
Register 1
0x20
See Table 23. (Power-On Value = 0101 1101)
Fan Characteristics
Register 2
0x21
See Table 24 . (Power-On Value = 0101 1101)
Fan Speed Configuration
Register
0x22
See Table 25. (Power-On Value = 0101 0101)
Fan Filter Register
0x23
See Table 26. (Power-On Value = 0101 0000)
Local Temperature
TMIN/TRANGE
0x24
See Table 27. (Power-On Value = 0100 0001)
Remote 1 Temperature
TMIN/TRANGE
0x25
See Table 28. (Power-On Value = 0110 0001)
Remote 2 Temperature
TMIN/TRANGE
0x26
See Table 29. (Power-On Value = 0110 0001)
Table 17. Value Registers
Address
Read/Write
Description
0x06
Read Only
Extended Temperature Resolution (see Table 22).
0x08
Read/Write
Fan 1 Speed. This register contains the value of the Fan 1 tach measurement.
0x09
Read/Write
Fan 2 Speed. This register contains the value of the Fan 2 tach measurement.
0x0A
Read Only
Local Temperature Value. This register contains the 8 MSBs of the local temperature measurement.
0x0B
Read Only
Remote 1 Temperature Value. This register contains the 8 MSBs of the Remote 1 temperature reading.
0x0C
Read Only
Remote 2 Temperature Value. This register contains the 8 MSBs of the Remote 2 temperature reading.
0x0D
Read/Write
Local Temperature Offset. See Table 31. (Power-On Default = 00h)
0x0E
Read/Write
Remote 1 Temperature Offset. See Table 32. (Power-On Default = 00h)
0x0F
Read/Write
Remote 2 Temperature Offset. See Table 33. (Power-On Default = 00h)
0x10
Read/Write
Fan 1 Tach High Limit. This register contains the limit for the Fan 1 tach measurement. Because the tach circuit
counts between pulses, a slow fan results in a large measure value, so exceeding the limit is the way to detect a
slow or stalled fan. (Power-On Default = FFh)
0x11
Read/Write
Fan 2 Tach High Limit. This register contains the limit for the Fan 2 tach measurement. Because the tach circuit
counts between pulses, a slow fan results in a large measured value, so exceeding the limit is the way to detect a
slow or stalled fan. (Power-On Default = FFh)
0x14
Read/Write
Local Temperature High Limit (Power-On Default 60°C)
0x15
Read/Write
Local Temperature Low Limit (Power-On Default 0°C)
0x16
Read/Write
Local Temperature Therm Limit (Power-On Default 70°C)
0x18
Read/Write
Remote 1 Temperature High Limit (Power-On Default 80°C)
0x19
Read/Write
Remote 1 Temperature Low Limit (Power-On Default 0°C)
0x1A
Read/Write
Remote 1 Temperature Therm Limit (Power-On Default 100°C)
0x1C
Read/Write
Remote 2 Temperature High Limit (Power-On Default 80°C)
0x1D
Read/Write
Remote 2 Temperature Low Limit (Power-On Default 0°C)
0x1E
Read/Write
Remote 2 Temperature Therm Limit (Power-On Default 100°C)
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| ADM1032_12 | 制造商:ONSEMI 制造商全称:ON Semiconductor 功能描述:1C Remote and Local System Temperature Monitor Supports SMBus Alert |
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