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參數(shù)資料
型號(hào): ADT7460
廠商: Analog Devices, Inc.
英文描述: dB COOL?? Remote Thermal Controller and Fan Controller
中文描述: 分貝很酷吧??遠(yuǎn)程熱控制器和風(fēng)扇控制器
文件頁(yè)數(shù): 17/48頁(yè)
文件大小: 695K
代理商: ADT7460
REV. 0
ADT7460
–17–
LIMITS, STATUS REGISTERS, AND INTERRUPTS
Limit Values
Associated with each measurement channel on the ADT7460
are high and low limits. These can form the basis of system
status monitoring: a Status bit can be set for any out-of-limit
condition and detected by polling the device. Alternatively,
SMBALERT
interrupts can be generated to flag a processor or
microcontroller of out-of-limit conditions.
8-Bit Limits
The following is a list of 8-bit limits on the ADT7460:
Voltage Limit Registers
Reg. 0x44
2.5 V Low Limit
= 0x00 default
Reg. 0x45
2.5 V High Limit
= 0xFF default
Reg. 0x48
V
CC
Low Limit
= 0x00 default
Reg. 0x49
V
CC
High Limit
= 0xFF default
Temperature Limit Registers
Reg. 0x4E
Remote 1 Temp Low Limit
= 0x81 default
Reg. 0x4F
Remote 1 Temp High Limit
= 0x7F default
Reg. 0x6A
Remote 1
THERM
Limit
= 0x64 default
Reg. 0x50
Local Temp Low Limit
= 0x81 default
Reg. 0x51
Local Temp High Limit
= 0x7F default
Reg. 0x6B
Local
THERM
Limit
= 0x64 default
Reg. 0x52
Remote 2 Temp Low Limit
= 0x81 default
Reg. 0x53
Remote 2 Temp High Limit
= 0x7F default
Reg. 0x6C
Remote 2
THERM
Limit
= 0x64 default
Therm Limit Register
Reg. 0x7A
THERM
Timer Limit
= 0x00 default
16-Bit Limits
The Fan TACH measurements are 16-bit results. The Fan
TACH limits are also 16 bits, consisting of a High Byte and
Low Byte. Since fans running under speed or stalled are nor-
mally the only conditions of interest, only High Limits exist for
Fan TACHs. Since Fan TACH period is actually being mea-
sured, exceeding the limit indicates a slow or stalled fan.
Fan Limit Registers
Reg. 0x54
TACH1 Minimum Low Byte
= 0xFF default
Reg. 0x55
TACH1 Minimum High Byte
= 0xFF default
Reg. 0x56
TACH2 Minimum Low Byte
= 0xFF default
Reg. 0x57
TACH2 Minimum High Byte
= 0xFF default
Reg. 0x58
TACH3 Minimum Low Byte
= 0xFF default
Reg. 0x59
TACH3 Minimum High Byte
= 0xFF default
Reg. 0x5A
TACH4 Minimum Low Byte
= 0xFF default
Reg. 0x5B
TACH4 Minimum High Byte
= 0xFF default
Out-of-Limit Comparisons
Once all limits have been programmed, the ADT7460 can be
enabled for monitoring. The ADT7460 will measure all param-
eters in round-robin format and set the appropriate Status bit
for out-of-limit conditions. Comparisons are done differently
depending on whether the measured value is being compared to
a high or low limit.
HIGH LIMIT: > COMPARISON PERFORMED
LOW LIMIT: < OR = COMPARISON PERFORMED
NO
INT
LOW LIMIT
TEMP >
LOW LIMIT
Figure 17. Temperature > Low Limit: No
INT
相關(guān)PDF資料
PDF描述
ADT7460ARQ dB COOL?? Remote Thermal Controller and Fan Controller
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ADT7461AR 【1∑C Temperature Monitor with Series Resistance Cancellation
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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ADT7460ARQ-REEL 功能描述:IC SENSOR TEMP FAN-CTRL 16QSOP RoHS:否 類別:集成電路 (IC) >> PMIC - 熱管理 系列:dBCool® 標(biāo)準(zhǔn)包裝:1 系列:- 功能:溫度監(jiān)控系統(tǒng)(傳感器) 傳感器類型:內(nèi)部和外部 感應(yīng)溫度:-40°C ~ 125°C,外部傳感器 精確度:±2.5°C 本地(最大值),±5°C 遠(yuǎn)程(最大值) 拓?fù)?ADC,比較器,寄存器庫(kù) 輸出類型:2 線 SMBus? 輸出警報(bào):無(wú) 輸出風(fēng)扇:無(wú) 電源電壓:2.7 V ~ 5.5 V 工作溫度:-40°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:SOT-23-8 供應(yīng)商設(shè)備封裝:SOT-23-8 包裝:Digi-Reel® 其它名稱:296-22675-6
ADT7460ARQ-REEL7 功能描述:IC SENSOR TEMP FAN-CTRL 16QSOP RoHS:否 類別:集成電路 (IC) >> PMIC - 熱管理 系列:dBCool® 標(biāo)準(zhǔn)包裝:1 系列:- 功能:溫度監(jiān)控系統(tǒng)(傳感器) 傳感器類型:內(nèi)部和外部 感應(yīng)溫度:-40°C ~ 125°C,外部傳感器 精確度:±2.5°C 本地(最大值),±5°C 遠(yuǎn)程(最大值) 拓?fù)?ADC,比較器,寄存器庫(kù) 輸出類型:2 線 SMBus? 輸出警報(bào):無(wú) 輸出風(fēng)扇:無(wú) 電源電壓:2.7 V ~ 5.5 V 工作溫度:-40°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:SOT-23-8 供應(yīng)商設(shè)備封裝:SOT-23-8 包裝:Digi-Reel® 其它名稱:296-22675-6
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ADT7460ARQZ-R7 制造商:ON Semiconductor 功能描述:Temp Sensor Digital Serial (3-Wire) 16-Pin QSOP T/R
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