m3819 Renesas Electronics Corporation., m3819 Datasheet - Page 123

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

2. APPLICATION
2.5 FLD controller
Fig. 2.5.1 Structure of Port P0 segment/digit switch register
Fig. 2.5.2 Structure of Port P2 digit/port switch register
2.5.1 Related registers
Port P0 segment/digit switch register
Port P2 digit/port switch register
b7 b6 b5 b4 b3 b2 b1 b0
b7 b6 b5 b4 b3 b2 b1 b0
B
0
1
2
3
4
5
6
7
0
1
2
3
4
5
6
7
B
Port P0 segment/digit switch register (P0SDR) [Address:32
Port P2 digit/port switch register (P2DPR) [Address:33
Nothing is allocated for these bits. These are write disabled bits.
When these bits are read out, the values are "0."
Port P0 segment/digit
switch register
Port P2 digit/port switch
register
Name
Name
3819 Group USER’S MANUAL
0 : DIG
1 : SEG
0 : DIG
1 : SEG
0 : DIG
1 : SEG
0 : DIG
1 : SEG
0 : DIG
1 : SEG
0 : DIG
1 : SEG
0 : DIG
1 : SEG
0 : DIG
1 : SEG
0 : Port P2
1 : DIG
0 : Port P2
1 : DIG
0 : Port P2
1 : DIG
0 : Port P2
1 : DIG
0
1
2
3
4
5
6
7
16
17
18
19
32
33
34
35
36
37
38
39
0
1
2
3
Function
Function
output-only
output-only
output-only
output-only
16
2.5 FLD controller
]
16
MITSUBISHI MICROCOMPUTER
]
3819 Group
At reset
At reset
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
R W
R W
109