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參數資料
| 型號： | ADM1022 |
| 廠商： | Analog Devices, Inc. |
| 英文描述： | Low-Cost PC Temperature Monitor and Fan Control ASIC |
| 中文描述： | 低價電腦溫度監控和風扇控制ASIC |
| 文件頁數： | 18/19頁 |
| 文件大小： | 190K |
| 代理商： | ADM1022 |
REV. 0
ADM1022
–18–
Table VIII. 0x43 Interrupt Mask Register. Power-On Default <7:0> = 00h
Bit
Name
Read/Write
Description
0
1
2
3
4
5
6
7
Int. Temp Error
Ext. Temp2 Error
Diode 2 Fault
Reserved
GPI Input
Ext. Temp1 Error
THERM
Input
Diode 1 Fault
Read Only
Read Only
Read Only
Read Only
Read/Write
Read/Write
Read/Write
Read/Write
A one disables the corresponding interrupt status bit for the
INT
output.
A one disables the corresponding interrupt status bit for the
INT
output.
A one disables the corresponding interrupt status bit for the
INT
output.
Undefined.
A one disables the corresponding interrupt status bit for the
INT
output.
A one disables the corresponding interrupt status bit for the
INT
output.
A one disables the corresponding interrupt status bit for the
INT
output.
A one disables the corresponding interrupt status bit for the
INT
output.
Table IX. Register 0x4C Interrupt Status Register Mirror. Power-On Default <7:0> = 00h
Bit
Name
Read/Write
Description
0
Int. Temp Error
Read Only
A one indicates that one of the internal temperature sensor limits has been
exceeded.
A one indicates that one of the limits for the second external temperature
sensor has been exceeded.
A one indicates either a short- or open-circuit fault on remote sensor diode 2.
Undefined
A “1” indicates that the GPI pin is asserted. The polarity of the GPI pin is
determined by GPI Invert (Bit 6) in the Configuration Register. For example,
if GPI Invert is cleared, this bit will be “1” when the GPI pin is high (“1”);
this bit will be “0” when the GPI pin is low (“0.”) If GPI Invert is set, this bit
will be “1” when the GPI pin is low (“0”); this bit will be “0” when the GPI
pin is high (“1”). Note that the state of GPI is not latched; this bit simply
reflects the state or inverted state of the GPI pin. Note: if this bit is “1”
reading this register will NOT clear it to “0.”
A one indicates that one of the limits for the first external temperature sensor
has been exceeded.
A one indicates that the thermal overload (
THERM
) line has been asserted
externally.
A one indicates either a short- or open-circuit fault on remote sensor diode 1.
1
Ext. Temp2 Error
Read Only
2
3
4
Diode 2 Fault
Reserved
GPI Input
Read Only
Read Only
Read Only
5
Ext. Temp1 Error
Read Only
6
THERM
Input
Read Only
7
Diode 1 Fault
Read Only
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