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Chapter 4 I/O Ports
Port A
Figure 4-9-2 Port A Registers (2/2)
01245673
FLOAT
PARDWN P7RDWN
SYOEVS1SYOEVS0
Pull-up/pull-down resistor selection, Pin control register (FLOAT: X'03F2E', R/W)
0
1
Pull-up resistor
P7 pull-up/pull-down
resistor selection
Pull-down resistor
P7RDWN
0
1
Pull-up resistor
PA pull-up/pull-down
resistor selection
Pull-down resistor
PARDWN
SYOEVS1
0
0
1
1
External interrupt IRQ2
Timer 7 interrupt
Timer 5 interrupt
Timer 1 interrupt
1
P6 synchronous output
event selection
SYOEVS0
0
01245673
PAIMD ( At reset: - 0 0 0 0 0 0 0 )
PAIMD5 PAIMD4 PAIMD3 PAIMD2 PAIMD1 PAIMD0
0
1
I/O port
I/O port /
special function pin selection
Special function pin
PAIMD
Port A Input control register (PAIMD: X'03F3C', R/W)
PAIMD6
( At reset: - 0 - 0 0 - 0 0 )