FDC37B78X SMSC Corporation, FDC37B78X Datasheet - Page 208
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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GP53
Default =0x01
on Vbat POR
GP54
Default = 0x01
on Vbat POR
NAME
REG INDEX
0xCC
0xCB
General Purpose I/0 bit 5.3
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 nROMCS
=01 IRQ11
=10 GPI/O
=11 Either Edge Triggered Interrupt 3
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 5.4
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 nROMOE
=01 IRQ12
=10 GPI/O
=11 Either Edge Triggered Interrupt 4
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
208
DEFINITION
STATE
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