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參數(shù)資料
| 型號(hào)： | ADT7466ARQZ |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | 模擬信號(hào)調(diào)理 |
| 英文描述： | dBCool Remote Thermal Controller and Voltage Monitor |
| 中文描述： | SPECIALTY ANALOG CIRCUIT, PDSO16 |
| 封裝： | LEAD FREE, MO-137AB, QSOP-16 |
| 文件頁數(shù)： | 35/48頁 |
| 文件大?。?/td> | 1269K |
| 代理商： | ADT7466ARQZ |
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ADT7466
REGISTER DETAILS
Configuration 1
Table 31. Register 0x00—Configuration Register 1 (Power-On Default = 0x01)
Bit No.
Name
Read/Write
Description
0
STRT
Read/Write
Logic 1 enables monitoring, and PWM control outputs based on the limit settings programmed.
Logic 0 disables monitoring and PWM control based on the default power-up limit settings. The limit
values programmed are preserved even if a Logic 0 is written to this bit and the default settings are
enabled. This bit becomes read only and cannot be changed once Bit 1 (LOCK bit) is written. All limit
registers should be programmed by BIOS before setting this bit to 1. Lockable.
1
LOCK
Write Once
Logic 1 locks all limit values to their current settings. Once this bit is set, all lockable registers become
read only and cannot be modified until the ADT7466 is powered down and powered up again. This
prevents rogue programs such as viruses from modifying critical system limit settings. Lockable.
2
RDY
Read Only
This bit is set to 1 by the ADT7466 to indicate that the device is fully powered up and ready to begin
systems monitoring.
3
FSPD
Read/Write
When this bit is 1, it runs all fans at full speed. Power-on default is 0. This bit is not locked at any time.
4
FSPDIS Read/Write
Logic 1 disables fan spin-up for two tach pulses. Instead, the DAC outputs go high for the entire fan
spin-up timeout selected.
5
TODIS
Read/Write
When this bit is 1, the SMBus timeout feature is disabled. This allows the ADT7466 to be used with
SMBus controllers that cannot handle SMBus timeouts. Lockable.
6
V
CC
Read/Write
When this bit is 1, the ADT7466 rescales its V
CC
pin to measure a 5 V supply.
When this bit is 0, the ADT7466 measures V
CC
as a 3.3 V supply. Lockable.
7
OBIN
Read/Write
When this bit is 0 (default) temperature data format is binary.
When this bit is 1, format is offset binary.
Configuration 2
This register becomes read only when the Configuration Register 1 lock bit is set to 1. Additional attempts to write to this register have no
effect.
Table 32. Register 0x01—Configuration Register 2 (Power-On Default = 0x00)
Bit No.
Name
Read/Write
Description
0
RTYPE
Read/Write
When this bit is cleared (default), thermistor normalization is optimized for 100 k thermistors. When
this bit is set, it is optimized for 10 k thermistors.
1
CURR
Read/Write
This bit sets the thermal diode current. It should be left at 0.
2
REFZ
Read/Write
Setting this bit makes the REFOUT pin high impedance.
3
Unused
–
Unused. Write ignored. Reads back 0.
4
AVG
Read/Write
When AVG is 1, averaging on the temperature and voltage measurements is turned off. This allows
measurements on each channel to be made much faster.
5
RATE
Read/Write
If averaging is turned off and measurement set to single channel mode, the RATE bit sets the
conversion rate. 0 = 32 conversions/second; 1 = 4 conversions/second.
6
SHDN
Read/Write
When SHDN is 1, the ADT7466 goes into shutdown mode. Both DAC outputs are set to 0 V to switch off
both fans. The DAC registers read back 0x00 to indicate that the fans are not being driven.
7
REM2
Read/Write
Setting this bit configures AIN1 and AIN2 for connection of a second thermal diode. Setting this bit
overrides THER1 and THER2 in Configuration Register 3.
Rev. 0 | Page 35 of 48
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| ADT7466ARQZ-REEL | 功能描述:板上安裝溫度傳感器 RMT THRM CTR VLT MON RoHS:否 制造商:Omron Electronics 輸出類型:Digital 配置: 準(zhǔn)確性:+/- 1.5 C, +/- 3 C 溫度閾值: 數(shù)字輸出 - 總線接口:2-Wire, I2C, SMBus 電源電壓-最大:5.5 V 電源電壓-最小:4.5 V 最大工作溫度:+ 50 C 最小工作溫度:0 C 關(guān)閉: 安裝風(fēng)格: 封裝 / 箱體: 設(shè)備功能:Temperature and Humidity Sensor |
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| ADT7467 | 制造商:AD 制造商全稱:Analog Devices 功能描述:dBCool Remote Thermal Monitor and Fan Controller |
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