Analog Devices dBCool ADT7473 Manual page 59

Address R/W Description
0x50 R/W Local Tem p Low
Limit
0x51 R/W Local Tem p High
Limit
0x52 R/W Remote 2 Temp
Low Limit
0x53 R/W Remote 2 Temp
High Limit
0x54 R/W TACH1 Minimum
Low Byte
0x55 R/W TACH1 Minimum
High Byte
0x56 R/W TACH 2 Mi nimum
Low Byte
0x57 R/W TACH2 Mi nimum
High Byte
0x58 R/W TACH3 Mi nimum
Low Byte
0x59 R/W TACH3 Mini
High Byte
0x5A R/W TACH4 Mi nimum
Low Byte
0x5B R/W TACH4 Mi nimum
High Byte
0x5C R/W PWM1
Configuration
Register
0x5D R/W PWM2
Configuration
Register
0x5E R/W PWM3
Configuration
Register
0x5F R/W Remote 1
T /PWM 1
RANGE
Frequency
0x60 R/W Local T /PWM
RANGE
2 Frequen cy
0x61 R/W Remote 2
T /PWM
RANGE
Frequency
0x62 R/W Enhance
Acoustics Reg. 1
0x63 R/W Enhance
Acoustics Reg. 2
0x64 R/W PWM1 Min Duty
Cycle
0x65 R/W PW M2 Min Duty
Cycle
0x66 R/W PWM3 Min Duty
Cycle
0x67 R/W Remote 1 Temp
T
MIN
0x68 R/W Local Temp T
0x69 R/W Remote 2 Temp
T
MIN
0x6A R/W Remote 1 THERM
Temp Limit
0x6B R/W Local THERM
Temp Limit
Bit 7 Bit 6 Bit 5
7 6 5
7 6 5
7 6 5
7 6 5
7 6 5
15 14 13
7 6 5
15 14 13
7 6 5
mum 15 14 13
7 6 5
15 14 13
BHVR BHVR BHVR
BHVR BHVR BHVR
BHVR BHVR BHVR
RANGE RANGE RANGE
RANGE RANGE RANGE
RANGE RANGE RANGE
3
MIN3 MIN2 MIN1
EN2 ACOU2 ACOU2
7 6 5
7 6 5
7 6 5
7 6 5
7 6 5
MIN
7 6 5
7 6 5
7 6 5
Bit 4 Bit 3 Bit 2
4 3 2
4 3 2
4 3 2
4 3 2
4 3 2
12 11 10
4 3 2
12 11 10
4 3 2
12 11 10
4 3 2
12 11 10
INV SLOW SPIN
INV SLOW SPIN
INV SLOW SPIN
RANGE HF/LF FREQ
Fan 1
RANGE HF /LF FREQ
Fan 2
RANGE HF/LF FREQ
Fan 3
SYNC EN1 ACOU
ACOU2 EN3 ACOU3
4 3 2
4 3 2
4 3 2
4 3 2
4 3 2
4 3 2
4 3 2
4 3 2
Rev. A | Page 59 of 76
ADT7473
Bit 1 Bit 0 Default
1 0 0x01
1 0 0xFF
1 0 0x01
1 0 0xFF
1 0 0xFF
9 8 0xFF
1 0 0xFF
9 8 0xFF
1 0 0xFF
9 8 0xFF
1 0 0xFF
9 8 0xFF
SPIN SPIN 0x82
SPIN SPIN 0x82
SPIN SPIN 0x82
FREQ FREQ 0xCC
FREQ FREQ 0xCC
FREQ FREQ 0xCC
ACOU ACOU 0x00
ACOU ACOU3 0x00
3
1 0 0x80
1 0 0x80
1 0 0x80
1 0 0x9A
1 0 0x9A
1 0 0x9A
1 0 0xA4
1 0 0xA4
Lockable?
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes