SCH3112I-NE SMSC [SMSC Corporation], SCH3112I-NE Datasheet - Page 242

• Manufacturer Part Number: SCH3112I-NE
• Description: LPC IO with 8042 KBC, Reset Generation, HWM and Multiple Serial Ports
• Manufacturer: SMSC [SMSC Corporation]

Rev 0.2 (09-28-04)
Addr
Reg
44h
45h
46h
47h
48h
49h
4Ah
4Bh
4Ch
4Dh
4Eh
4Fh
50h
51h
52h
53h
54h
55h
56h
57h
58h
59h
5Ah
5Bh
5Ch
5Dh
5Eh
5Fh
60h
61h
62h
63h
64h
65h
66h
67h
68h
69h
6Ah
6Bh
6Ch
6Dh
6Eh
6Fh
70h
71h
72h
73h
74h
75h
76h
77h
78h
/Write
Read
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
Zone 1 (Remote Diode 1) Low Temp
Zone 3 (Remote Diode 2) Low Temp
Min/Off, PWM1 Ramp Rate Control
PWM 2, PWM3 Ramp Rate Control
Zone 1 Range/PWM 1 Frequency
Zone 2 Range/PWM 2 Frequency
Zone 3 Range/PWM 3 Frequency
Zone 2 (Ambient) Low Temp Limit
PWM 1 MINIMUM Duty Cycle
PWM 2 MINIMUM Duty Cycle
PWM 3 MINIMUM Duty Cycle
Zone 1 Temp Absolute Limit
Zone 2 Temp Absolute Limit
Zone 3 Temp Absolute Limit
Remote Diode 1 High Temp
Remote Diode 2 High Temp
Remote Diode 1 Low Temp
Remote Diode 2 Low Temp
FANTACH1 Minimum MSB
FANTACH2 Minimum MSB
FANTACH3 Minimum MSB
Zone 1, Zone 2 Hysteresis
FANTACH1 Minimum LSB
FANTACH2 Minimum LSB
FANTACH3 Minimum LSB
Internal Diode High Temp
Internal Diode Low Temp
PWM 1 Configuration
PWM 2 Configuration
PWM 3 Configuration
SMSC Test Register
SMSC Test Register
SMSC Test Register
SMSC Test Register
SMSC Test Register
SMSC Test Register
SMSC Test Register
SMSC Test Register
SMSC Test Register
Zone 3, Hysteresis
Vccp High limit
VCC High limit
2.5V High limit
Vccp Low limit
2.5V Low limit
VCC Low limit
12V High limit
12V Low limit
5V High limit
5V Low limit
Reg Name
Reserved
Reserved
Reserved
Limit
Limit
Table 24.1 Register Summary (continued)
ZON2
ZON2
ZON2
RAN3
RAN3
RAN3
RR2E
MSb
OFF3
TST7
TST7
TST7
Bit 7
RES
RES
H1-3
H3-3
RES
RES
RES
RES
RES
RES
RES
15
15
15
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
DATASHEET
RR2-2
ZON1
ZON1
ZON1
RAN2
RAN2
RAN2
OFF2
TST6
TST6
TST6
Bit 6
RES
RES
H1-2
H3-2
RES
RES
RES
RES
RES
RES
RES
LPC IO with 8042 KBC, Reset Generation, HWM and Multiple Serial Ports
14
14
14
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
226
RR2-1
ZON0
ZON0
ZON0
RAN1
RAN1
RAN1
OFF1
TST5
TST5
TST5
Bit 5
RES
RES
H1-1
H3-1
RES
RES
RES
RES
RES
RES
RES
13
13
13
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
RR2-0
RAN0
RAN0
RAN0
TST4
TST4
TST4
Bit 4
RES
RES
RES
H1-0
H3-0
RES
RES
RES
RES
RES
RES
RES
INV
INV
INV
12
12
12
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
SUEN1
SUEN2
SUEN3
FRQ3
FRQ3
FRQ3
RR1E
RR3E
TST3
TST3
TST3
TST3
TST3
TST3
TST3
TST3
TST3
Bit 3
RES
RES
H2-3
RES
RES
11
11
11
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
SPIN2
SPIN2
SPIN2
RR1-2
RR3-2
FRQ2
FRQ2
FRQ2
TST2
TST2
TST2
TST2
TST2
TST2
TST2
TST2
TST2
Bit 2
RES
RES
H2-2
RES
RES
10
10
10
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
SPIN1
SPIN1
SPIN1
RR1-1
RR3-1
FRQ1
FRQ1
FRQ1
TST1
TST1
TST1
TST1
TST1
TST1
TST1
TST1
TST1
Bit 1
RES
RES
H2-1
RES
RES
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
9
1
9
1
9
1
1
1
1
1
1
1
1
1
SPIN0
SPIN0
SPIN0
RR1-0
RR3-0
FRQ0
FRQ0
FRQ0
TST0
TST0
TST0
TST0
TST0
TST0
TST0
TST0
TST0
Bit 0
LSb
RES
RES
H2-0
RES
RES
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
8
0
8
0
8
0
0
0
0
0
0
0
0
0
Note 24.7
Note 24.7
Note 24.7
Default
Value
CBh
CBh
CBh
00h
FFh
00h
FFh
00h
FFh
00h
FFh
00h
FFh
81h
7Fh
81h
7Fh
81h
7Fh
FFh
FFh
FFh
FFh
FFh
FFh
00h
00h
62h
62h
62h
00h
00h
80h
80h
80h
23h
23h
23h
64h
64h
64h
44h
40h
00h
N/A
N/A
N/A
09h
09h
09h
09h
09h
09h
SMSC SCH311X
Lock
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
Datasheet