REV. A
ADM1027
41
Table IV. ADM1027 Registers (continued)
Address R/W Description
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Default Lockable?
0x5C
R/W PWM1 Configuration Register BHVR BHVR BHVR
INV
3
SPIN
SPIN
SPIN 0x62
Yes
0x5D
R/W PWM2 Configuration Register BHVR BHVR BHVR
INV
3
SPIN
SPIN
SPIN 0x62
Yes
0x5E
R/W PWM3 Configuration Register BHVR BHVR BHVR
INV
3
SPIN
SPIN
SPIN 0x62
Yes
0x5F
R/W Remote 1 T
RANGE
/PWM 1 Freq RANGE RANGE RANGE RANGE 3
FREQ FREQ FREQ 0xC4
Yes
0x60
R/W Local T
RANGE
/PWM 2 Freq
RANGE RANGE RANGE RANGE 3
FREQ FREQ FREQ 0xC4
Yes
0x61
R/W Remote 2 T
RANGE
/PWM 3 Freq RANGE RANGE RANGE RANGE 3
FREQ FREQ FREQ 0xC4
Yes
0x62
R/W Enhance Acoustics Reg 1
MIN3
MIN2 MIN1
4
EN1
ACOU ACOU ACOU 0x00
Yes
0x63
R/W Enhance 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 T
MIN
7
6
5
4
3
2
1
0
0x5A
Yes
0x68
R/W Local Temp T
MIN
7
6
5
4
3
2
1
0
0x5A
Yes
0x69
R/W Remote 2 Temp T
MIN
7
6
5
4
3
2
1
0
0x5A
Yes
0x6A
R/W Remote 1 THERM Limit
7
6
5
4
3
2
1
0
0x64
Yes
0x6B
R/W Local THERM Limit
7
6
5
4
3
2
1
0
0x64
Yes
0x6C
R/W Remote 2 THERM Limit
7
6
5
4
3
2
1
0
0x64
Yes
0x6D
R/W Remote 1, Local Hysteresis
HYSR1 HYSR1 HYSR1 HYSR1 HYSL HYSL HYSL HYSL 0x44
Yes
0x6E
R/W Remote 2 Temp Hysteresis
HYSR2 HYSR2 HYSR2 HYSR2 RES
RES
RES
RES
0x40
Yes
0x6F
R/W XOR Tree Test Enable
RES
RES
RES
RES
RES
RES
RES
XEN
0x00
Yes
0x70
R/W Remote 1 Temperature Offset
7
6
5
4
3
2
1
0
0x00
Yes
0x71
R/W Local Temperature Offset
7
6
5
4
3
2
1
0
0x00
Yes
0x72
R/W Remote 2 Temperature Offset
7
6
5
4
3
2
1
0
0x00
Yes
0x73
R/W Configuration Register 2
7
CONV ATTN AVG
AIN4 AIN3
AIN2
AIN1 0x00
Yes
0x74
R/W Interrupt Mask 1 Register
OOL
R2T
LT
R1T
5 V
V
CC
V
CCP
2.5 V
0x00
0x75
R/W Interrupt Mask 2 Register
D2
D1
5
FAN3 FAN2 FAN1 OVT
12 V
0x00
0x76
R/W Extended Resolution 1
5 V
5 V
V
CC
V
CC
V
CCP
V
CCP
2.5 V
2.5 V
0x00
0x77
R/W Extended Resolution 2
TDM2 TDM2 LTMP LTMP TDM1 TDM1 12 V
12 V
0x00
0x78
R/W Configuration Register 3
DC4
DC3
DC2
DC1
FAST BOOST 1
ALERT 0x00
Yes
0x7B
R/W Fan Pulses per Revolution
FAN4
FAN4 FAN3
FAN3 FAN2 FAN2 FAN1 FAN1 0x55
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