Programmable I/O Port
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Preliminary Specifications REV.E
Specifications in this manual are tentative and subject to change.
Mitsubishi microcomputers
M30220 Group
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
148
Figure 1.19.7. Port register
Port Pi register
(Note)
Symbol
Address
When reset
Indeterminate
Pi ( = 0 to 12 except 3 and 7)
03E0
16
, 03E1
16
, 03E4
16
, 03E8
16
,
03E9
16,
03EC
16
, 03F0
16
, 03F1
16
,
03F4
16
, 03F5
16
, 03F8
16
Bit name
Function
Bit symbol
Pi_0
Pi_1
W
R
b7
b6
b5
b4
b3
b2
b1
b0
Port P3 register
Symbol
P3
Address
03E5
16
When reset
Indeterminate
Bit mame
Function
Bit symbol
P3_0
P3_1
W
R
Port P7 register
Symbol
P7
Address
03ED
16
When reset
Indeterminate
W
R
Port P13 register (Note)
Symbol
P13
Address
03F9
16
When reset
Indeterminate
W
R
b7
b6
b5
b4
b3
b2
b1
b0
Note : Do not access this Register in words.
Note : Do not access the Port P12 register in words.
Port Pi
0
register
Port Pi
1
register
Pi_2
Pi_3
Pi_4
Pi_5
Pi_6
Pi_7
Port Pi
2
register
Port Pi
3
register
Port Pi
4
register
Port Pi
5
register
Port Pi
6
register
Port Pi
7
register
Data is input an atput to and
from each pin by reading and
writing to and from each
corresponding bit
0 : “L” level data
1 : “H” level data
(i = 0 to 12 except 3 and 7)
Data is input and output to and
from each pin by reading and
writing to and from each
corresponding bit
0 : “L” level data
1 : “H” level data
Port P3
0
register
Port P3
1
register
P3_2
P3_3
P3_4
P3_5
Port P3
2
register
Port P3
3
register
Port P3
4
register
Port P3
5
register
P7_0
P7_1
P7_2
P7_3
P7_4
Port P7
0
register
Port P7
1
register
Port P7
2
register
Port P7
3
register
Port P7
4
register
P7_5
P7_6
P7_7
Port P7
5
register
Port P7
6
register
Port P7
7
register
Data is input and output to and
from each pin by reading and
writing to and from each
corresponding bit
(except for P7
7
)
0 : “L” level data
1 : “H” level data
P13_0
Port P13
0
register
P13_1
Port P13
1
register
P13_2
Port P13
2
register
Nothing is assigned.
In an attempt to write to these bits, write “0”. The value, if read, turns out to be
indeterminate.
Nothing is assigned.
In an attempt to write to these bits, write “0”. The value, if read, turns out to be
indeterminate.
Bit mame
Function
Bit symbol
Bit mame
Function
Bit symbol
Data is input and output to and
from each pin by reading and
writing to and from each
corresponding bit
0 : “L” level data
1 : “H” level data
b7
b6
b5
b4
b3
b2
b1
b0
b7
b6
b5
b4
b3
b2
b1
b0