Table of Contents
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PCRA—Port Control Register A
Bit
7
Initial value
1
Read/Write
PMRB—Port Mode Register B
Bit
7
Initial value
1
Read/Write
6
5
4
1
1
1
6
5
1
1
H'ED
3
2
PCRA
PCRA
3
0
0
W
W
Port A Input/Output Select
0 Input pin
1 Output pin
H'EE
4
3
2
IRQ1
1
0
1
R/W
PB
/AN
/IRQ
3
3
0
Functions as PB
Functions as IRQ
1
Rev. 6.00, 08/04, page 583 of 628
I/O Ports
1
0
PCRA
PCRA
2
1
0
0
0
W
W
I/O Ports
1
0
1
1
Pin Function Switch
1
/AN
input pin
3
3
input pin
1
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