Table 52 - GPI/O Configuration Register Bits [3:0]
ALT FUNC
BIT 3
INT EN
BIT 2
POLARITY
BIT 1
I/O
BIT 0
0=DISABLE 0=DISABLE
0=NO INVERT
1=INVERT
1=INPUT
0=OUTPUT
GPI/O PORT
OPERATION
1=SELECT
1=ENABLE
1
0
0
0
1
0
1
0
Alternate Function Output-type
Alternate non-inverted output.
Alternate Function Input-type
Alternate function not valid,
GPI/O pin acts as a simple non-
inverting output.
1
1
0
0
Alternate Function Output-type
Alternate function not valid,
GPI/O pin acts as a simple non-
inverting input.
Alternate Function Input-type
Alternate non-inverting input.
Alternate Function Output-type
Alternate output function with
inverted sense
Alternate Function Input-type
Alternate function not valid,
GPI/O pin acts as a simple
inverting output.
1
1
0
1
1
0
1
0
Alternate Function Output-type
Alternate output function not
valid, GPI/O pin acts as a simple
inverting input.
Alternate Function Input-type
Inverting input to alternate input
function.
Alternate Function Output-type
Alternate output function with
non inverted sense steered to GP
IRQ
Alternate Function Input-type
Alternate function not valid,
GPI/O pin acts as a simple non-
inverting output steered to GP
IRQ
126
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