FDC37B78X SMSC Corporation, FDC37B78X Datasheet - Page 207
FDC37B78X
Manufacturer Part Number
FDC37B78X
Description
Enhanced Super I/O Controller with ACPI Support/ Real Time Clock and Consumer IR
Manufacturer
SMSC Corporation
Datasheet
1.FDC37B78X.pdf
(258 pages)
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GP50
Default = 0x01
on Vbat POR
GP52
Default =0x09
on Vbat POR
NAME
REG INDEX
0xC8
0xCA
General Purpose I/0 bit 5.0
Bit[0] In/Out : =1 Input, =0 Output
Bit[1] Polarity : =1 Invert, =0 No Invert
Bit[2] Reserved
Bit[4:3] Function Select
=00 PCI Clock
=01 IRQ14
=10 GPI/O
=11 Reserved
Bit[5] Group Interrupt Enable
=1 Enable Combined IRQ 2
=0 Disable Combined IRQ 2
Bit[6] Reserved
Bit[7] Output Type Select
1=Open Drain
0=Push Pull
General Purpose I/0 bit 5.2
Bit[0] In/Out : =1 Input, =0 Output
Bit[1] Polarity : =1 Invert, =0 No Invert
Bit[2] Reserved
Bit[4:3] Function Select
=00 DRVDEN1
=01 GPIO
=10 IRQ8
=11 nSMI
Bit[5] Group Interrupt Enable
=1 Enable Combined IRQ 2
=0 Disable Combined IRQ 2
Bit[6] Reserved
Bit[7] Output Type Select
1=Open Drain
0=Push Pull
207
DEFINITION
STATE
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