37M602 Datasheet, PDF (9/182 Pages) SMSC Corporation – ENHANCED SUPER I/O CONTROLLER WITH INFRARED SUPPORT

DESCRIPTION OF MULTIFUNCTION PINS
Pin
No./QFP
51
52
92
94
95
96
97
98
99
100
Original Function Alternate Function 1 Alternate Function 2 Default
Controlled by IRMODSEL(LD8:CRC0.0) and IRRX3SEL(LD8:CRC0.4)
nDACK3
8042 P16
nDACK3
DRQ3
8042 P12
DRQ3
Controlled by DMA3SEL(LD8:CRC0.1)
nRI2
8042 P16
nRI2
nDCD2
8042 P12
nDCD2
Controlled by 8042COMSEL(LD8:CRC0.3)
RXD2
IRRX
RXD2
TXD2
IRTX
TXD2
Controlled by IR Option Register( LD5:CRF1.6)
nDSR2
SA15
nDSR2
nRTS2
SA12
nRTS2
nCTS2
SA13
nCTS2
nDTR2
SA14
nDTR2
Controlled by 16 bit Address Qual.(CR24.6)
For more information, refer to tables 65 through 75.
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