Environmental Monitoring and Control Device
Datasheet
Register Read/
Address Write
Bit 7
Bit 0 Default
Register Name
Abbr.
Lock Start
Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1
(MSb)
(LSb) Value
4Ah
4Bh
4Ch
4Dh
R/W 5V Low Limit
R/W 5V High Limit
V50L
V50H
V12L
V12H
7
7
7
7
6
6
6
6
5
5
5
5
4
4
4
4
3
3
3
3
2
2
2
2
1
1
1
1
0
0
0
0
00h
FFh
00h
FFh
No Yes
No Yes
No Yes
No Yes
R/W 12V Low Limit
R/W 12V High Limit
Processor (Zone1) Low
4Eh
4Fh
50h
51h
52h
53h
R/W
R/W
R/W
R/W
R/W
R/W
TRL1
TRH1
TALL
TAHL
TRL2
TRH2
7
7
7
7
7
7
6
6
6
6
6
6
5
5
5
5
5
5
4
4
4
4
4
4
3
3
3
3
3
3
2
2
2
2
2
2
1
1
1
1
1
1
0
0
0
0
0
0
81h
7Fh
81h
7Fh
81h
7Fh
No Yes
No Yes
No Yes
No Yes
No Yes
No Yes
Temp
Processor (Zone1) High
Temp
Internal (Zone2) Low
Temp
Internal (Zone2) High
Temp
Remote (Zone3) Low
Temp
Remote (Zone3) High
Temp
54h
55h
56h
57h
58h
59h
5Ah
5Bh
5Ch
5Dh
5Eh
R/W Tach1 Minimum LSB
R/W Tach1 Minimum MSB
R/W Tach2 Minimum LSB
R/W Tach2 Minimum MSB
R/W Tach3 Minimum LSB
R/W Tach3 Minimum MSB
R/W Tach4 Minimum LSB
R/W Tach4 Minimum MSB
R/W Fan 1 Configuration
R/W Fan 2 Configuration
R/W Fan 3 Configuration
FML1
FMM1
FML2
FMM2
FML3
FMM3
FML4
FMM4
7
15
7
6
14
6
5
13
5
4
12
4
3
11
3
2
10
2
1
9
1
9
1
9
1
9
0
8
0
8
0
8
0
8
FFh
FFh
FFh
FFh
FFh
FFh
FFh
FFh
No Yes
No Yes
No Yes
No Yes
No Yes
No Yes
No Yes
No Yes
Yes Yes
Yes Yes
Yes Yes
15
7
14
6
13
5
12
4
11
3
10
2
15
7
14
6
13
5
12
4
11
3
10
2
15
14
13
12
11
10
FCF1 ZON2 ZON1 ZON0 INV
FCF2 ZON2 ZON1 ZON0 INV
FCF3 ZON2 ZON1 ZON0 INV
RES SPIN2 SPIN1 SPIN0 62h
RES SPIN2 SPIN1 SPIN0 62h
RES SPIN2 SPIN1 SPIN0 62h
Zone 1 Range/Fan 1
5Fh
60h
61h
62h
63h
R/W
FRF1 RAN3 RAN2 RAN1 RAN0 RES FRQ2 FRQ1 FRQ0 C3h
FRF2 RAN3 RAN2 RAN1 RAN0 RES FRQ2 FRQ1 FRQ0 C3h
FRF3 RAN3 RAN2 RAN1 RAN0 RES FRQ2 FRQ1 FRQ0 C3h
SSZ1 OFF3 OFF2 OFF1 RES ZN1E ZN1-2 ZN1-1 ZN1-0 00h
SS23 ZN2E ZN2-2 ZN2-1 ZN2-0 ZN3E ZN3-2 ZN3-1 ZN3-0 00h
Yes Yes
Yes Yes
Yes Yes
Yes Yes
Yes Yes
Frequency
Zone 2 Range/Fan 2
R/W
Frequency
Zone 3 Range/Fan 3
R/W
Frequency
Min/Off, Zone 1 Spike
R/W
Smoothing
Zone 2, Zone 3 Spike
R/W
Smoothing
64h
65h
66h
67h
68h
69h
R/W Fan1 PWM Minimum
R/W Fan2 PWM Minimum
R/W Fan3 PWM Minimum
R/W Zone 1 Fan Temp Limit
R/W Zone 2 Fan Temp Limit
R/W Zone 3 Fan Temp Limit
DCM1
DCM2
DCM3
TLF1
7
7
7
7
7
7
6
6
6
6
6
6
5
5
5
5
5
5
4
4
4
4
4
4
3
3
3
3
3
3
2
2
2
2
2
2
1
1
1
1
1
1
0
0
0
0
0
0
80h
80h
80h
5Ah
5Ah
5Ah
Yes Yes
Yes Yes
Yes Yes
Yes Yes
Yes Yes
Yes Yes
TLF2
TLF3
Zone 1 Temp Absolute
6Ah
6Bh
6Ch
R/W
TAF1
TAF2
TAF3
7
7
7
6
6
6
5
5
5
4
4
4
3
3
3
2
2
2
1
1
1
0
0
0
64h
64h
64h
Yes Yes
Yes Yes
Yes Yes
Limit
Zone 2 Temp Absolute
R/W
Limit
Zone 3 Temp Absolute
R/W
Limit
SMSC EMC6D100/EMC6D101
Page 38
Rev. 09-09-04
DATASHEET
SMSC [ SMSC CORPORATION ]
