SCH3112I-NE SMSC [SMSC Corporation], SCH3112I-NE Datasheet - Page 19

• 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
Chapter 2 Pinout
SMSC SCH311X
nIDE_RSTDRV/GP44
nPCIRST2 / GP46
nPCRST1 / GP45
GP40 /DRVDEN0
PCI_RESET#
nDSKCHG
nWRTPRT
LFRAME#
nWDATA
nWGATE
SER_IRQ
PCI_CLK
nRDATA
nHDSEL
+12V_IN
CLOCKI
nINDEX
LDRQ#
+5V_IN
nMTR0
nSTEP
nTRK0
LAD0
LAD1
LAD2
LAD3
nDS0
nDIR
VCC
VTR
VSS
VSS
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
1
2
3
4
5
6
7
8
9
V
C
C
HVTR
Figure 2.1 SCH3112 Pin Diagram
Note:
SYSOPT1 Pin 68
SYSOPT0 Pin 70 and
RESGEN Pin 78 are only sampled during power on configuration
128 PIN VTQFP
DATASHEET
SCH3112
VBAT
HVTR
VTR
VCC
VCC
3
V
R
V
C
C
T
96
95
94
93
92
91
90
89
88
87
86
85
84
83
82
81
80
79
78
77
76
75
74
73
72
71
70
69
68
67
66
65
GP12
GP13
GP60 / nLED1 / WDT
GP61 / nLED2/ CLKO
GP15
VTR
GP42 / nIO_PME
GP16
GP17 / TSTOUT
GP14
GP11
GP10
SLP_SX#
PB_IN#
PS_ON#
PB_OUT#
GP57 / nDTR2
GP56/ nCTS2
GP55/nRTS2/RESGEN
GP54 / nDSR2
GP53 / TXD2 (IRTX2)
GP52 / RXD2 (IRRX2)
GP51 / nDCD2
VSS
VTR
GP50 / nRI2
nDTR1 / SYSOPT1
nCTS1
nRTS1 / SYSOPT0
nDSR1
TXD1 /SIOXNOROUT
RXD1
Rev 0.2 (09-28-04)