SCH3112I-NE SMSC [SMSC Corporation], SCH3112I-NE Datasheet - Page 31

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

LPC IO with 8042 KBC, Reset Generation, HWM and Multiple Serial Ports
Datasheet
SMSC SCH311X
PIN
126
123
124
120
121
122
117
118
119
113
PIN
33
32
31
30
NOTE
NOTE
2.13
2.13
2.13
2.13
Table 2.4 SCH311X Pin Core Functions Description (
REMOTE
1+
REMOTE
2-
REMOTE
2+
PWM1
PWM2
PWM3
nTHERM
TRIP
FANTAC
H1
FANTAC
H2
FANTAC
H3
NAME
nPCIRST3 /
GP47
nPCIRST2 /
GP46
nPCIRST1 /
GP45
nIDE_RST
DRV /
GP44
NAME
Table 2.5 SCH3112 Specific Signals (
This is the positive input
(current source) from the
remote thermal diode 1.
This is the negative
Analog input (current
sink) from the remote
thermal diode 2.
This is the positive input
(current source) from the
remote thermal diode 2.
Fan Speed Control 1
Output.
Fan Speed Control 2
Output
Fan Speed Control
3Output
Thermtrip output
Tachometer Input 1 for
monitoring a fan.
Tachometer Input 2 for
monitoring a fan.
Tachometer Input 4 for
monitoring a fan.
DESCRIPTION
PCI Reset output 3
GPIO with schmidt
trigger input
PCI Reset output 2
GPIO with schmidt
trigger input
PCI Reset output1
GPIO with schmidt
trigger input
IDE Reset output
GPIO with schmidt
trigger input
DESCRIPTION
RESET OUTPUTS
DATASHEET
GLUE LOGIC
15
VCC
POWER
PLANE
POWER
PLANE
HVTR
HVTR
HVTR
VCC
Note
PWM1
PWM2
PWM3
nTHERM
TRIP
FANTAC
H1
FANTAC
H2
FANTAC
H3
VTR
POWER
PLANE
GP47 /
nPCIRST
3
nPCIRST
2
GP45 /
nPCIRST
1
GP44 /
nIDE_RS
TDRV
POWER
PLANE
Note 2.14
VTR-
2.15)
) (continued)
(Note
VCC=0
OPERA-
TION
(Note
NO GATE
NO GATE
NO GATE
NO GATE
OPERA-
VCC=0
TION
2.16)
2.16)
Rev 0.2 (09-28-04)
BUFFER
MODES
(Note
(IO8/IOD8)
(IO8/IOD8)
(IO8/IOD8)
(IO8/IOD8)
(Note
BUFFER
OD_PH
MODES
I
I
I
OD8
OD8
OD8
AND+
AND+
AND-
I
I
I
M
M
M
2.1)
2.1)