W83977F Datasheet, PDF (124/181 Pages) Winbond – PLUG & PLAY 1.0A COMPLIANT

Table 8.1.1
I/O BIT
0 = OUTPUT
1 = INPUT
0
0
0
0
1
1
1
1
ENABLE INT BIT
0 = DISABLE
1 = ENABLE
0
0
1
1
0
0
1
1
W83977F/ W83977AF
PRELIMINARY
POLARITY BIT
0 = NON INVERT
1 = INVERT
BASIC I/O OPERATIONS
0
Basic non-inverting output
1
Basic inverting output
0
Non-inverted output bit value of GP2
drive to Common Interrupt
1
Inverted output bit value of GP2 drive
to Common Interrupt
0
Basic non-inverting input
1
Basic inverting input
0
Non-inverted input drive to Common
Interrupt
1
Inverted input drive to Common
Interrupt
Table 8.1.2
GP I/O PORT ACCESSED
REGISTER
GP1
GP2
REGISTER BIT
ASSIGNMENT
BIT 0
BIT 1
BIT 2
BIT 3
BIT 4
BIT 5
BIT 6
BIT 7
BIT 0
BIT 1
BIT 2
BIT 3
BIT 4
BIT 5
GP I/O PORT
GP10
GP11
GP12
GP13
GP14
GP15
GP16
GP17
GP20
GP21
GP22
GP23
GP24
GP25
-112 -
Publication Release Date: March 1998
Revision 0.58