Port Direction Registers - Fujitsu F2MC-16LX MB90580 Series Hardware Manual

8.3.2 Port direction registers

DDR0
Address: 000010
DDR1
Address: 000011
DDR2
Address: 000012
DDR3
Address: 000013
DDR4
Address: 000014
DDR5
Address: 000015
DDR6
Address: 000016
DDR7
Address: 000017
DDR8
Address: 000018
DDR9
Address: 000019
DDRA
Address: 00001A
When a pin is used as a port, the corresponding pin is controlled as described below:
0
1
MB90580 Series
7 6 5
D07 D06 D05
H
15 14 13
D17 D16 D15
H
7 6 5
D27 D26 D25
H
15 14 13
D37 D36 D35
H
7 6 5
D47 D46 D45
H
15 14 13
D57 D56 D55
H
7 6 5
D65
H
15 14 13
H
7 6 5
D87 D86 D85
H
15 14 13
D97 D96 D95
H
7 6 5
H
Input mode
Output mode
4 3 2 1
D04 D03 D02 D01
12 11 10 9
D14 D13 D12 D11
4 3 2 1
D24 D23 D22 D21
12 11 10 9
D34 D33 D32 D31
4 3 2 1
D44 D43 D42 D41
12 11 10 9
D54 D53 D52 D51
4 3 2 1
D64 D63 D62 D61
12 11 10 9
D74 D73 D72 D71
4 3 2 1
D84 D83 D82 D81
12 11 10 9
D94 D93 D92 D91
4 3 2 1
DA2 DA1
8.3 Registers and register details
Initial value Access
0
D00 R/W
00000000
B
8
D10 R/W
00000000
B
0
R/W
D20
00000000
B
8
R/W
D30 00000000
B
0
R/W
D40
00000000
B
8
R/W
D50
00000000
B
0
R/W
D60 --000000
B
8
R/W
- - - 0000-
B
0
R/W
D80
00000000
B
8
R/W
D90
00000000
B
0
R/W
DA0
- - - - -000
B
[initial value]
Chapter 8: Parallel Ports 105