ADT7473 Datasheet, PDF (55/74 Pages) Analog Devices – dBCool Remote Thermal Monitor and Fan Controller

ADT7473
Table 16. ADT7473/ADT7473−1 Registers
Addr R/W
Desc
Bit 7
Bit 6 Bit 5
0x5A R/W
TACH4
Minimum
Low Byte
0x5B R/W
TACH4
Minimum
High Byte
0x5C R/W
PWM1
Config.
Register
0x5D R/W
PWM2
Config.
Register
0x5E R/W
PWM3
Config.
Register
0x5F R/W
Remote 1
T_RANGE/
PWM 1
Frequency
0x60 R/W
Local
T_RANGE/
PWM 2
Frequency
0x61 R/W
Remote 2
T_RANGE/
PWM 3
Frequency
0x62 R/W
Enhanced
Acoustics
Reg. 1
0x63 R/W
Enhanced
Acoustics
Reg. 2
0x64 R/W PWM1 Min
Duty Cycle
0x65 R/W PWM2 Min
Duty Cycle
0x66 R/W PWM3 Min
Duty Cycle
0x67 R/W Remote 1
Temp. T_MIN
0x68 R/W Local Temp.
T_MIN
0x69 R/W Remote 2
Temp. T_MIN
0x6A R/W Remote 1
THERM
Temp. Limit
0x6B R/W
Local
THERM
Temp. Limit
0x6C R/W Remote 2
THERM
Temp. Limit
0x6D R/W
Remote 1
and Local
Temp/T_MIN
Hysteresis
0x6E R/W
Remote 2
Temp/T_MIN
Hysteresis
0x6F R/W XNOR Tree
Test Enable
7
15
BHVR
BHVR
BHVR
RANGE
RANGE
RANGE
MIN3
EN2
7
7
7
7
7
7
7
7
7
HYSR1
HYSR2
RES
6
5
14
13
BHVR BHVR
BHVR BHVR
BHVR BHVR
RANGE RANGE
RANGE RANGE
RANGE RANGE
MIN2
MIN1
ACOU2 ACOU2
6
5
6
5
6
5
6
5
6
5
6
5
6
5
6
5
6
5
HYSR1 HYSR1
HYSR2 HYSR2
RES
RES
Bit 4
4
12
INV
INV
INV
RANGE
RANGE
RANGE
SYNC
ACOU2
4
4
4
4
4
4
4
4
4
HYSR1
HYRS2
RES
Bit 3
3
Bit 2
2
Bit 1
1
Bit 0
0
De-
fault
0xFF
Lock-
able
−
11
10
9
8
0xFF
−
SLOW SPIN
SPIN
SLOW SPIN
SPIN
SLOW SPIN
SPIN
HF/LF
Fan 1
FREQ
FREQ
SPIN
SPIN
SPIN
FREQ
0x82/0 Yes
x62
0x82/0 Yes
x62
0x82/0 Yes
x62
0xCC
Yes
HF/LF
Fan 2
FREQ
FREQ
FREQ
0xCC
Yes
HF/LF
Fan 3
FREQ
FREQ
FREQ
0xCC
Yes
EN1
ACOU ACOU
ACOU
0x00
Yes
EN3 ACOU3 ACOU3
ACOU3
0x00
Yes
3
2
1
3
2
1
3
2
1
3
2
1
3
2
1
3
2
1
3
2
1
0
0x80
Yes
0
0x80
Yes
0
0x80
Yes
0
0x9A
Yes
0
0x9A
Yes
0
0x9A
Yes
0
0xA4
Yes
3
2
1
0
0xA4
Yes
3
2
1
HYSL HYSL HYSL
0
HYSL
0xA4/0 Yes
xC8
0x44
Yes
RES
RES
RES
RES
RES
RES
RES
0x40
Yes
XEN
0x00
Yes
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