SCH3112I-NE SMSC [SMSC Corporation], SCH3112I-NE Datasheet - Page 20

• 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)
2.1
PIN
#
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
NAME
+12V_IN
+5V_IN
GP40 /
DRVDEN0
VTR
nMTR0
nDSKCHG
nDS0
VSS
nDIR
nSTEP
nWDATA
nWGATE
nHDSEL
nINDEX
nTRK0
nWRTPRT
nRDATA
CLOCKI
LAD0
LAD1
LAD2
LAD3
LFRAME#
LDRQ#
PCI_RESET#
PCI_CLK
SER_IRQ
VSS
VCC
nIDE_RSTDRV
/ GP44
nPCIRST1 /
GP45
nPCIRST2 /
GP46
SCH311X Pinout Summary
PIN
#
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
Table 2.1 SCH3112 Summary - 2 Serial Ports
NAME
nPCIRST3 /
GP47
AVSS
VBAT
GP27/nIO_SMI/P1
7
KDAT/GP21
KCLK/GP22
MDAT/GP32
MCLK/GP33
GP36/nKBDRST
GP37/A20M
VSS
VTR
nINIT / nDIR
nSLCTIN / nSTEP
PD0 / nINDEX
PD1 / nTRK0
PD2 / nWRTPRT
PD3 / nRDATA
PD4 / nDSKCHG
PD5
PD6 / nMTR0
PD7
VSS
SLCT / nWGATE
PE / nWDATA
BUSY / nMTR1
nACK / nDS1
nERROR /
nHDSEL
nALF / DRVDEN0
nSTROBE / nDS0
nRI1
nDCD1
DATASHEET
LPC IO with 8042 KBC, Reset Generation, HWM and Multiple Serial Ports
4
PIN
#
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
NAME
RXD1
TXD1/
SIO XNOR_OUT
nDSR1
nRTS1/SYSOPT0
nCTS1
nDTR1/SYSOPT1
GP50 / nRI2
VTR
VSS
GP51 / nDCD2
GP52 /
RXD2(IRRX2)
GP53 /
TXD2(IRTX2)
GP54 / nDSR2
GP55 / nRTS2 /
RESGEN
GP56 / nCTS2
GP 57 / nDTR2
PB_OUT#
PS_ON#
PB_IN#
SLP_SX#
GP10
GP11
GP14
GP17
GP16
GP42/nIO_PME_
VTR
GP15
GP61/nLED2/CLK
O
GP60/nLED1/WD
T
GP13
GP12
PIN
#
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
NAME
GP31
GP63*
CLKI32
VSS
GP64*
GP65*
GP66*
GP67*
GP62*
GP34
PWRGD_OUT
PWRGD_PS
nFPRST / GP30
VTR
VSS
nTHERMTRIP
nHWM_INT
PWM3
PWM2
PWM1
FANTACH3
FANTACH2
FANTACH1
HVSS
HVTR
REMOTE2-
REMOTE2+
REMOTE1-
REMOTE1+
VCCP_IN
+2.5V_IN
nRSMRST
SMSC SCH311X
Datasheet