W83977F-A Datasheet, PDF (122/182 Pages) Winbond – WINBOND I/O

W83977F-A/ W83977G-A/ W83977AF-A/ W83977AG-A
Table 11.1.1
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
POLARITY BIT
0 = NON INVERT
1 = INVERT
0
1
0
1
0
1
0
1
BASIC I/O OPERATIONS
Basic non-inverting output
Basic inverting output
Non-inverted output bit value of GP2
drive to Common Interrupt
Inverted output bit value of GP2 drive
to Common Interrupt
Basic non-inverting input
Basic inverting input
Non-inverted input drive to Common
Interrupt
Inverted input drive to Common
Interrupt
Table 11.1.2
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
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