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ADT7490ARQZ-R7 Datasheet(PDF) 44 Page - ON Semiconductor

Part # ADT7490ARQZ-R7
Description  dBCool Remote Thermal Monitor and Fan Controller with PECI Interface
PDF  75 Pages
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Manufacturer  ONSEMI [ON Semiconductor]
Direct Link  http://www.onsemi.com
Logo ONSEMI - ON Semiconductor

ADT7490ARQZ-R7 Datasheet(HTML) 44 Page - ON Semiconductor

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ADT7490
http://onsemi.com
44
Table 20. ADT7490 Registers
Addr
Lock-
able
De-
fault
Bit 0
Bit 1
Bit 2
Bit 3
Bit 4
Bit 5
Bit 6
Bit 7
Desc
R/W
0x34
R/W
PECI Low
Limit
7
6
5
4
3
2
1
0
0x81
−
0x35
R/W
PECI
High Limit
7
6
5
4
3
2
1
0
0x00
−
0x36
R/W
PECI
Config.
Register 1
RES
RES
RES
RE−
PLACE
DOM0
AVG2
AVG1
AVG0
0x00
Yes
0x38
R/W
Max
PWM1
Duty
Cycle
7
6
5
4
3
2
1
0
0xFF
Yes
0x39
R/W
Max
PWM2
Duty
Cycle
7
6
5
4
3
2
1
0
0xFF
Yes
0x3A
R/W
Max
PWM3
Duty
Cycle
7
6
5
4
3
2
1
0
0xFF
Yes
0x3B
R/W
PECI
TMIN
7
6
5
4
3
2
1
0
0xE0
Yes
0x3C
R/W
PECI
TRANGE/
Enhanced
Acoustics
RANGE
RANGE
RANGE
RANGE
ENP
ACOU
ACOU
ACOU
0xC0
Yes
0x3D
R/W
PECI
TCONTROL
Limit
7
6
5
4
3
2
1
0
0x00
Yes
0x3E
R
Company
ID No.
7
6
5
4
3
2
1
0
0x41
−
0x3F
R
Version
VER3
VER2
VER1
VER0
4−Wire
PECI
REV1
REV0
0x06X
−
0x40
R/W
Config.
Register 1
RES
RES
THERM
in
Manual
PECI
Monitor
Fan
Boost
RDY
LOCK
STRT
0x04
Yes
0x41
R
Interrupt
Status 1
OOL
R2T
LT
R1T
+5VIN
VCC
VCCP
+2.5VIN/
THERM
0x00
−
0x42
R
Interrupt
Status 2
D2
FAULT
D1
FAULT
FAN4/
THERM
FAN3
FAN2
FAN1
OOL
+12VIN
0x00
−
0x43
R
Interrupt
Status 3
OOL
RES
RES
RES
OVT
(THERM
Temp
Limit)
COMM
DATA
PECI0
0x00
−
0x44
R/W
+2.5VIN
Low Limit
7
6
5
4
3
2
1
0
0x00
−
0x45
R/W
+2.5VIN
High Limit
7
6
5
4
3
2
1
0
0xFF
−
0x46
R/W
VCCP
Low Limit
7
6
5
4
3
2
1
0
0x00
−
0x47
R/W
VCCP
High Limit
7
6
5
4
3
2
1
0
0xFF
−
0x48
R/W
VCC
Low Limit
7
6
5
4
3
2
1
0
0x00
−
0x49
R/W
VCC
High Limit
7
6
5
4
3
2
1
0
0xFF
−
0x4A
R/W
+5VIN
Low Limit
7
6
5
4
3
2
1
0
0x00
−
0x4B
R/W
+5VIN
High Limit
7
6
5
4
3
2
1
0
0xFF
−
0x4C
R/W
+12VIN
Low Limit
7
6
5
4
3
2
1
0
0x00
−
0x4D
R/W
+12VIN
High Limit
7
6
5
4
3
2
1
0
0xFF
−
0x4E
R/W
Remote 1
Temp Low
Limit
7
6
5
4
3
2
1
0
0x81
−



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