364
PCRE—Port control register E
H'E3
I/O ports
Bit
Initial value
Read/Write
7
—
1
—
6
—
1
—
5
—
1
—
4
—
1
—
3
PCRE
0
W
0
—
0
—
2
PCRE
0
W
1
—
0
—
3
2
Port E input/output select
0
Input pin
1
Output pin
PCR1—Port control register 1
H'E4
I/O ports
Bit
Initial value
Read/Write
7
PCR1
0
W
6
PCR1
0
W
5
PCR1
0
W
4
PCR1
0
W
3
PCR1
0
W
0
PCR1
0
W
2
PCR1
0
W
1
PCR1
0
W
Port 1 input/output select
0
Input pin
1
Output pin
7
6
5
4
3
0
2
1
PCR2—Port control register 2
H'E5
I/O ports
Bit
Initial value
Read/Write
Note: As P2
7
is an input-only pin, it becomes a high-impedance output when PCR2
7
is set to 1.
7
PCR2
0
W
6
PCR2
0
W
5
PCR2
0
W
4
PCR2
0
W
3
PCR2
0
W
0
PCR2
0
W
2
PCR2
0
W
1
PCR2
0
W
Port 2 input/output select
0
Input pin
1
Output pin
7
6
5
4
3
0
2
1