參數(shù)資料
型號: ADM1029ARQZ-R7
廠商: ON Semiconductor
文件頁數(shù): 37/50頁
文件大小: 402K
描述: IC SENSOR 2TEMP/FAN CTRL 24QSOP
產(chǎn)品變化通告: QSOP 24ld Pkg (MSL) Change 17/Jun/2010
標準包裝: 1,000
功能: 風扇控制,溫度監(jiān)控器
傳感器類型: 內(nèi)部和外部
感應溫度: 0°C ~ 100°C,外部傳感器
精確度: ±1°C 本地,±3°C 遠程
拓撲: ADC,風扇控制,寄存器庫
輸出類型: 開路漏極
輸出警報:
輸出風扇:
電源電壓: 3 V ~ 5.5 V
工作溫度: 0°C ~ 100°C
安裝類型: 表面貼裝
封裝/外殼: 24-SSOP(0.154",3.90mm 寬)
供應商設(shè)備封裝: 24-QSOP
包裝: 帶卷 (TR)
ADM1029
http://onsemi.com
37
Table 26. REGISTER 10H, 11H  FAN X* STATUS (POWER-ON DEFAULT 0000 0?0?)
Bit
Name
R/W
Description
0
Missing = x
R
Reflects the state of Pins 4/21. Low means Fan x* is installed, High
means it is missing. This bit will automatically return Low if a missing fan
is replaced.
1
Missing _L = 0
R/W
This bit is edge-triggered and latches a Fan x* missing event on removal
of Fan x. This bit is cleared by writing a 0 to it.
2
Fault_ = x
R
Inverse of Pin 2/23. Low on pin means Fan x* has a fault (Pins 2/23 Low),
High on pin means it is OK. This bit will automatically return Low if Pins
2/23 goes high.
3
Fault_L_ = 0
R/W
This bit is edge-triggered and latches a Fan x* fault event on Pins 2/23.
This bit is cleared by writing a 0 to it. If the PRESENT
 pin for a fan input is
high (fan not installed) this bit will be cleared automatically.
4
Sleep = 0
R/W
When this bit is set, Fan x* will be stopped and no Fan x* faults will be
monitored. If Bit 4 in Fan x* Fault Action Register is set, Fan x* will go to
Alarm Speed if an overtemperature event is detected as per settings in the
Temp Fault Action Registers.
5
Hot Plug Priority
R/W
This bit indicates whether Fan x runs at Hot-Plug Speed (bit set to 1) or
Alarm Speed (bit set to 0) if both modes are triggered.
6
Tach_Fault_L
R/W
Latches a Fan x Tach Fault. This bit is cleared by writing a 0 to it. If the
PRESENT
 pin for a fan input is high (fan not installed), this bit will be
cleared automatically.
7
Hot_Plug_L
R/W
This bit is edge-triggered and latches a Fan x Hot-plug event which is the
insertion of Fan x. (Note difference to Bit 1.) This bit is cleared by writing a
0 to it. If a fan is Hot-plug installed, it will run at Normal Speed.
* x denotes the fan number. Register 10h is for Fan 1 and Register 11h is for Fan 2.
NOTE: Question marks on this and following pages indicate bit settings that depend on the state of certain pins on power-up.
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