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EMC2300 Datasheet(PDF) 46 Page - SMSC Corporation

Part No. EMC2300
Description  Fan Control Device with High Frequency PWM and Temperature Monitors
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Maker  SMSC [SMSC Corporation]
Homepage  http://www.smsc.com
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EMC2300 Datasheet(HTML) 46 Page - SMSC Corporation

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41h
R-C
Note 8.3
Interrupt Status Register 1
INT2
D2
AMB
D1
RES
VCC
Vccp
RES
00h
No
No
42h
R-C
Note 8.3
Interrupt Status Register 2
ERR2
ERR1
TACH4
TACH3
TACH2
TACH1
RES
RES
00h
No
No
43h
R
Reserved
RES
RES
RES
RES
RES
RES
RES
RES
44h
R
Reserved
RES
RES
RES
RES
RES
RES
RES
RES
45h
R
Reserved
RES
RES
RES
RES
RES
RES
RES
RES
46h
R/W
Vccp Low Limit
7
6
5
4
3
2
1
0
00h
No
No
47h
R/W
Vccp High Limit
7
6
5
4
3
2
1
0
FFh
No
No
48h
R/W
VCC Low Limit
7
6
5
4
3
2
1
0
00h
No
No
49h
R/W
VCC High Limit
7
6
5
4
3
2
1
0
FFh
No
No
4Ah
R
Reserved
RES
RES
RES
RES
RES
RES
RES
RES
00h
No
No
4Bh
R
Reserved
RES
RES
RES
RES
RES
RES
RES
RES
00h
No
No
4Ch
R
Reserved
RES
RES
RES
RES
RES
RES
RES
RES
00h
No
No
4Dh
R
Reserved
RES
RES
RES
RES
RES
RES
RES
RES
00h
No
No
4Eh
R/W
Remote Diode 1 Low Temp
7
6
5
4
3
2
1
0
81h
No
No
4Fh
R/W
Remote Diode 1 High Temp
7
6
5
4
3
2
1
0
7Fh
No
No
50h
R/W
Internal Low Temp
7
6
5
4
3
2
1
0
81h
No
No
51h
R/W
Internal High Temp
7
6
5
4
3
2
1
0
7Fh
No
No
52h
R/W
Remote Diode 2 Low Temp
7
6
5
4
3
2
1
0
81h
No
No
53h
R/W
Remote Diode 2 High Temp
7
6
5
4
3
2
1
0
7Fh
No
No
54h
R/W
Tach1 Minimum LSB
7
6
5
4
3
2
1
0
FFh
No
No
55h
R/W
Tach1 Minimum MSB
15
14
13
12
11
10
9
8
FFh
No
No
56h
R/W
Tach2 Minimum LSB
7
6
5
4
3
2
1
0
FFh
No
No
57h
R/W
Tach2 Minimum MSB
15
14
13
12
11
10
9
8
FFh
No
No
58h
R/W
Tach3 Minimum LSB
7
6
5
4
3
2
1
0
FFh
No
No
59h
R/W
Tach3 Minimum MSB
15
14
13
12
11
10
9
8
FFh
No
No
5Ah
R/W
Tach4 Minimum LSB
7
6
5
4
3
2
1
0
FFh
No
No
5Bh
R/W
Tach4 Minimum MSB
15
14
13
12
11
10
9
8
FFh
No
No
5Ch
R/W
PWM 1 Configuration
ZON2
ZON1
ZON0
INV
RES
SPIN2
SPIN1
SPIN0
62h
Yes
No
5Dh
R/W
PWM 2 Configuration
ZON2
ZON1
ZON0
INV
RES
SPIN2
SPIN1
SPIN0
62h
Yes
No
5Eh
R/W
PWM 3 Configuration
ZON2
ZON1
ZON0
INV
RES
SPIN2
SPIN1
SPIN0
62h
Yes
No
5Fh
R/W
Zone 1 Range/PWM 1 Frequency
RAN3
RAN2
RAN1
RAN0
FRQ3
FRQ2
FRQ1
FRQ0
C3h
Yes
No
Table 8.1 Register Summary (continued)
Reg
Addr
Read
/Write
Reg Name
Bit 7
MSb
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
LSb
Default
Value
Lock
Start


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