FDC37B72X_07 SMSC [SMSC Corporation], FDC37B72X_07 Datasheet - Page 124

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

Note 1: For alternate function selects, the pin direction is set and controlled internally; i.e., regardless of
Note 2: For alternate function selects, INPUT functions cannot be inverted, regardless of the state of the
SELECTED
FUNCTION
GPIO
ALT.
the state of the GPIO configuration register Direction bit.
GPIO polarity bit, except for the EETI function.
DIRECTION
BIT
B0
X
0
0
0
0
1
1
1
1
1
TABLE 53 - GPIO CONFIGURATION SUMMARY
POLARITY
BIT
B1
1
0
0
1
1
0
0
1
1
0
0
2
124
ENABLE BIT
GROUP INT.
B5
0
1
0
1
0
1
0
1
0
1
0
1
Pin is a non-inverted output
with the Interrupt disabled.
with the Interrupt enabled.
the Interrupt disabled.
the Interrupt enabled.
the Interrupt disabled.
the Interrupt enabled.
Interrupt disabled.
Interrupt enabled.
Non-inverted alternate function
with Interrupt disabled.
Non-inverted alternate function
with Interrupt enabled.
Alternate OUTPUT functions
are inverted, Alternate INPUT
functions are non-inverted;
Interrupts are disabled.
Alternate OUTPUT functions
are inverted, Alternate INPUT
functions are non-inverted;
Interrupts are enabled.
Pin is a non-inverted output
Pin is an inverted output with
Pin is a inverted output with
Pin is a non-inverted input with
Pin is a non-inverted input with
Pin is an inverted input with the
Pin is a inverted input with the
DESCRIPTION