FDC37B72X_07 SMSC [SMSC Corporation], FDC37B72X_07 Datasheet - Page 191

• Manufacturer Part Number: FDC37B72X_07
• Description: 128 Pin Enhanced Super I/O Controller with ACPI Support
• Manufacturer: SMSC [SMSC Corporation]

GP64
Default = 0x01
on Vbat POR
GP65
Default = 0x01
on Vbat POR
GP66
Default = 0x01
NAME
REG INDEX
0xD4
0xD5
0xD6
=10 GPI/O
=11 WDT
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
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 RD4
=01 IRQ6
=10 GPI/O
=11 P17/P12
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
Note 1: This function is selected via bit 7 of the Ring
Filter Select Register. Default is P17.
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 RD5
=01 IRQ7
=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
Bit[0] In/Out : =1 Input, =0 Output
Bit[1] Polarity : =1 Invert, =0 No Invert
General Purpose I/0 bit 6.4
General Purpose I/0 bit 6.5
General Purpose I/0 bit 6.6
192
1
DEFINITION
STATE