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ADT7490 Datasheet(PDF) 49 Page - Analog Devices

Part # ADT7490
Description  dBCool Remote Thermal Monitor and Fan Controller with PECI Interface
PDF  76 Pages
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

ADT7490 Datasheet(HTML) 49 Page - Analog Devices

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ADT7490
Rev. 0 | Page 49 of 76
Addr.
R/W
Description
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Default
Lockable?
0x5A
R/W
TACH4 Min
Low Byte
7
6
5
4
3
2
1
0
0xFF
0x5B
R/W
TACH4 Min
High Byte
15
14
13
12
11
10
9
8
0xFF
0x5C
R/W
PWM1
Config.
Register
BHVR
BHVR
BHVR
INV
ALT
SPIN
SPIN
SPIN
0x62
Yes
0x5D
R/W
PWM2
Config.
Register
BHVR
BHVR
BHVR
INV
ALT
SPIN
SPIN
SPIN
0x62
Yes
0x5E
R/W
PWM3
Config.
Register
BHVR
BHVR
BHVR
INV
ALT
SPIN
SPIN
SPIN
0x62
Yes
0x5F
R/W
Remote 1
TRANGE/PWM1
Frequency
RANGE
RANGE
RANGE
RANGE
HF/LF
FREQ
FREQ
FREQ
0xC4
Yes
0x60
R/W
Local
TRANGE/PWM2
Frequency
RANGE
RANGE
RANGE
RANGE
HF/LF
FREQ
FREQ
FREQ
0xC4
Yes
0x61
R/W
Remote 2
TRANGE/PWM3
Frequency
RANGE
RANGE
RANGE
RANGE
HF/LF
FREQ
FREQ
FREQ
0xC4
Yes
0x62
R/W
Enhanced
Acoustics
Reg. 1
MIN3
MIN2
MIN1
SYNC
EN1
ACOU
ACOU
ACOU
0x00
Yes
0x63
R/W
Enhanced
Acoustics
Reg. 2
EN2
ACOU2
ACOU2
ACOU2
EN3
ACOU3
ACOU3
ACOU3
0x00
Yes
0x64
R/W
PWM1 Min
Duty Cycle
7
6
5
4
3
2
1
0
0x80
Yes
0x65
R/W
PWM2 Min
Duty Cycle
7
6
5
4
3
2
1
0
0x80
Yes
0x66
R/W
PWM3 Min
Duty Cycle
7
6
5
4
3
2
1
0
0x80
Yes
0x67
R/W
Remote 1
Temp TMIN
7
6
5
4
3
2
1
0
0x5A
Yes
0x68
R/W
Local Temp.
TMIN
7
6
5
4
3
2
1
0
0x5A
Yes
0x69
R/W
Remote 2
Temp TMIN
7
6
5
4
3
2
1
0
0x5A
Yes
0x6A
R/W
Remote 1
THERM Temp
Limit
7
6
5
4
3
2
1
0
0x64
Yes
0x6B
R/W
Local THERM
Temp. Limit
7
6
5
4
3
2
1
0
0x64
Yes
0x6C
R/W
Remote 2
THERM Temp
Limit
7
6
5
4
3
2
1
0
0x64
Yes
0x6D
R/W
Remote 1
and Local
Temp/TMIN
Hysteresis
HYSR1
HYSR1
HYSR1
HYSR1
HYSL
HYSL
HYSL
HYSL
0x44
Yes
0x6E
R/W
Remote 2
and PECI
Temp/TMIN
Hysteresis
HYSR2
HYSR2
HYSR2
HYSR2
HYSP
HYSP
HYSP
HYSP
0x44
Yes
0x6F
R/W
XNOR Tree
Test Enable
RES
RES
RES
RES
RES
RES
RES
XEN
0x00
Yes
0x70
R/W
Remote 1
Temp Offset
7
6
5
4
3
2
1
0
0x00
Yes
0x71
R/W
Local Temp
Offset
7
6
5
4
3
2
1
0
0x00
Yes
0x72
R/W
Remote 2
Temp Offset
7
6
5
4
3
2
1
0
0x00
Yes
0x73
R/W
Config. Reg. 2
Shutdown
CONV
ATTN
AVG
Fan3Detect
Fan2Detect
Fan1Detect
FanPresDT
0x00
Yes
0x74
R/W
Interrupt
Mask Reg. 1
OOL
R2T
LT
RIT
+5VIN
VCC
VCCP
+2.5VIN/
THERM
0x00



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