FDC37C672QFP SMSC Corporation, FDC37C672QFP Datasheet - Page 15

• Manufacturer Part Number: FDC37C672QFP
• Description: ENHANCED SUPER I/O CONTROLLER WITH FAST IR
• Manufacturer: SMSC Corporation

Enhanced Super I/O Controller with Fast IR
Datasheet
Chapter 4
Note 4.1 Controlled by IRMODSEL(LD8:CRC0.0) and IRRX3SEL(LD8:CRC0.4)
Note 4.2 Controlled by SERIRQSEL(LD8:CRC0.2)
Note 4.3 Controlled by DMA3SEL(LD8:CRC0.1)
Note 4.4 Controlled by 8042COMSEL(LD8:CRC0.3) and SERIRQSEL(LD8:CRC0.2)
Note 4.5 Controlled by IR Option Register( LD5:CRF1.6)
Note 4.6 Controlled by 16 bit Address Qual.(CR24.6) and SERIRQSEL(LD8:CRC0.2)
SMSC FDC37C672
QFP/TQFP
PIN NO.
100 / 98
2 / 100
32 / 30
33 / 31
51 / 49
52 / 50
92 / 90
94 / 92
95 / 93
96 / 94
97 / 95
98 / 96
99 / 97
For more information, refer to Table 19.13 through Table 19.23.
DRVDEN1
PCICLK
SERIRQ
nDACK3
DRQ3
nRI2
nDCD2
RXD2
TXD2
nDSR2
nRTS2
nCTS2
nDTR2
FUNCTION
ORIGINAL
Description of Multifunction Pins
PRELIMINARY DATASHEET
IR MODE
IRQ4
IRQ3
8042 P16
8042 P12
8042 P16
8042 P12
IRRX
IRTX
SA15
SA12
SA13
SA14
ALTERNATE
FUNCTION 1
Page 15
IRRX3
IRQ12
IRQ11
IRQ10
IRQ5
IRQ6
IRQ7
ALTERNATE
FUNCTION 2
DRVDEN1
PCICLK
SERIRQ
nDACK3
DRQ3
nRI2
nDCD2
RXD2
TXD2
nDSR2
nRTS2
nCTS2
nDTR2
DEFAULT
Note 4.1
Note 4.2
Note 4.2
Note 4.3
Note 4.3
Note 4.4
Note 4.4
Note 4.5
Note 4.5
Note 4.6
Note 4.6
Note 4.6
Note 4.6
Rev. 10-29-03
NOTE