ADT7490
Table 44. ADT7490 REGISTERS (continued)
Addr
0x32
0x33
0x34
0x35
0x36
0x38
0x39
0x3A
0x3B
0x3C
0x3D
0x3E
0x3F
0x40
0x41
0x42
0x43
0x44
0x45
0x46
0x47
0x48
0x49
0x4A
0x4B
R/W
R/W
R
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R
R
R/W
R
R
R
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Desc
PWM3
Current
Duty
Cycle
PECI0
PECI Low
Limit
PECI
High Limit
PECI
Config.
Register 1
Max
PWM1
Duty
Cycle
Max
PWM2
Duty
Cycle
Max
PWM3
Duty
Cycle
PECI
T MIN
PECI
T RANGE /
Enhanced
Acoustics
PECI
T CONTROL
Limit
Company
ID No.
Version
Config.
Register 1
Interrupt
Status 1
Interrupt
Status 2
Interrupt
Status 3
+2.5V IN
Low Limit
+2.5V IN
High Limit
V CCP
Low Limit
V CCP
High Limit
V CC
Low Limit
V CC
High Limit
+5V IN
Low Limit
+5V IN
High Limit
Bit 7
7
7
7
7
RES
7
7
7
7
RANGE
7
7
VER3
RES
OOL
D2
FAULT
OOL
7
7
7
7
7
7
7
7
Bit 6
6
6
6
6
RES
6
6
6
6
RANGE
6
6
VER2
RES
R2T
D1
FAULT
RES
6
6
6
6
6
6
6
6
Bit 5
5
5
5
5
RES
5
5
5
5
RANGE
5
5
VER1
THERM
in
Manual
LT
FAN4/
THERM
RES
5
5
5
5
5
5
5
5
Bit 4
4
4
4
4
RE ?
PLACE
4
4
4
4
RANGE
4
4
VER0
PECI
Monitor
R1T
FAN3
RES
4
4
4
4
4
4
4
4
Bit 3
3
3
3
3
DOM0
3
3
3
3
ENP
3
3
4 ? Wire
Fan
Boost
+5V IN
FAN2
OVT
(THERM
Temp
Limit)
3
3
3
3
3
3
3
3
Bit 2
2
2
2
2
AVG2
2
2
2
2
ACOU
2
2
PECI
RDY
V CC
FAN1
COMM
2
2
2
2
2
2
2
2
Bit 1
1
1
1
1
AVG1
1
1
1
1
ACOU
1
1
REV1
LOCK
V CCP
OOL
DATA
1
1
1
1
1
1
1
1
Bit 0
0
0
0
0
AVG0
0
0
0
0
ACOU
0
0
REV0
STRT
+2.5V IN /
THERM
+12V IN
PECI0
0
0
0
0
0
0
0
0
De-
fault
0xFF
0x80
0x81
0x00
0x00
0xFF
0xFF
0xFF
0xE0
0xC0
0x00
0x41
0x06X
0x04
0x00
0x00
0x00
0x00
0xFF
0x00
0xFF
0x00
0xFF
0x00
0xFF
Lock-
able
?
?
?
?
Yes
Yes
Yes
Yes
Yes
Yes
Yes
?
?
Yes
?
?
?
?
?
?
?
?
?
?
?
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44
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