m3819 Renesas Electronics Corporation., m3819 Datasheet - Page 193

• Manufacturer Part Number: m3819
• Description: Mitsubishi 8-bit Single-chip Microcomputer 740 Family / 38000 Series
• Manufacturer: Renesas Electronics Corporation.

3. APPENDIX
3.3 Control registers
Fig. 3.3.1 Structure of Port Pi direction register (i = 4, 5, 6, 7, 8, A, B)
Fig. 3.3.2 Structure of Port P2 direction register
Port Pi direction register
Port P2 direction register
b7 b6 b5 b4 b3 b2 b1 b0
b7 b6 b5 b4 b3 b2 b1 b0
Note :
B
0
1
2
3
4
5
6
7
B
0
1
2
3
4
5
6
7
Port Pi direction register (PiD) (i = 4, 5, 6, 7, 8, A, B)
Port P2 direction register (P2D) [Address:05
Port Pi direction register
Because P2
direction register function and nothing is allocated.
Port P2 direction register
Port P4 direction register [Address:09
Ports P4
direction register function.
3819 Group USER’S MANUAL
Name
0
Name
0
to P2
and P4
3
are output ports, these bits do not have a
5
are input ports. Accordingly, these bits do not have a
[Address:09
0 : Port Pi
1 : Port Pi
0 : Port Pi
1 : Port Pi
0 : Port Pi
1 : Port Pi
0 : Port Pi
1 : Port Pi
0 : Port Pi
1 : Port Pi
0 : Port Pi
1 : Port Pi
0 : Port Pi
1 : Port Pi
0 : Port Pi
1 : Port Pi
0 : Port P2
1 : Port P2
0 : Port P2
1 : Port P2
0 : Port P2
1 : Port P2
0 : Port P2
1 : Port P2
16
16
16
, 0B
0
0
1
1
2
2
3
3
4
4
5
5
6
6
7
7
]
]
4
4
5
5
6
6
7
7
input mode
output mode
input mode
output mode
input mode
output mode
input mode
output mode
input mode
output mode
input mode
output mode
input mode
output mode
input mode
output mode
3.3 Control registers
input mode
output mode
input mode
output mode
input mode
output mode
input mode
output mode
Function
Function
16
, 0D
16
MITSUBISHI MICROCOMPUTER
, 0F
16
, 11
(Note)
(Note)
16
3819 Group
, 15
At reset
At reset
16
, 17
0
0
0
0
0
0
0
0
1
1
1
1
0
0
0
0
16
R W
]
R W
179