SCH3112I-NE SMSC [SMSC Corporation], SCH3112I-NE Datasheet - Page 21

• 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
nIDE_RSTDRV/GP44
nPCIRST2 / GP46
nPCRST1 / GP45
GP40 /DRVDEN0
PCI_RESET#
nDSKCHG
nWRTPRT
LFRAME#
SER_IRQ
nWDATA
nWGATE
PCI_CLK
nRDATA
nHDSEL
+12V_IN
CLOCKI
nINDEX
+5V_IN
nMTR0
LDRQ#
nSTEP
nTRK0
nDS0
LAD0
LAD1
LAD2
LAD3
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
C
C
V
HVTR
Figure 2.2 SCH3114 Pin Diagram
Note:
SYSOPT1 Pin 68
SYSOPT0 Pin 70 and
RESGEN Pin 78 are only sampled during power on cinfiguration
128 PIN VTQFP
SCH3114
VBAT
HVTR
VTR
VCC
DATASHEET
VCC
5
R
C
C
V
T
V
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 / nDCD3
GP13 / nRI3
GP60 / nLED1 / WDT
GP61 / nLED2/ CLKO
GP15 / nDTR3
VTR
GP42 / nIO_PME
GP16 / nCTS3
GP17 / nRTS3/TSTOUT
GP14 / nDSR3
GP11 / TXD3
GP10 / RXD3
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)