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MB91155 Datasheet(PDF) 41 Page - fujitsu semiconductor

Part # MB91155
Description  32-bit Proprietary Microcontrollers
PDF  105 Pages
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Manufacturer  FUJITSU [fujitsu semiconductor]
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Logo FUJITSU - fujitsu semiconductor

MB91155 Datasheet(HTML) 41 Page - fujitsu semiconductor

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MB91F155A/MB91155/MB91154
41
• Data Direction Register (DDR)
DDR2 to DDRL control the I/O direction of the I/O port by bit.
DDR
= 0 : Port input
DDR
= 1 : Port output
Note : DDRI’s bit 6 is a test bit. Be sure to write “0” to the bit.
“0” is the value that is read.
R/W : Read/Write enabled, W : Write only,
 : Not in use
DDR2
Initial value
Access
Address : 000601H
00000000B
W
DDR3
Initial value
Access
Address : 000600H
00000000B
W
DDR4
Initial value
Access
Address : 000607H
00000000B
W
DDR5
Initial value
Access
Address : 000606H
00000000B
W
DDR6
Initial value
Access
Address : 000605H
00000000B
W
DDR8
Initial value
Access
Address : 00060BH
- 0000000B
W
DDRC
Initial value
Access
Address : 0000FFH
00000000B
R/W
DDRD
Initial value
Access
Address : 0000FEH
00000000B
R/W
DDRE
Initial value
Access
Address : 0000FDH
00000000B
R/W
DDRF
Initial value
Access
Address : 0000FCH
- - - 00000B
R/W
DDRG
Initial value
Access
Address : 000103H
- - 000000B
R/W
DDRH
Initial value
Access
Address : 000102H
- - 000000B
R/W
DDRI
Initial value
Access
Address : 000101H
- 0000000B
R/W
DDRK
Initial value
Access
Address : 000107H
00000000B
R/W
DDRL
Initial value
Access
Address : 000106H
00000000B
R/W
76
5
4
3
2
1
0
P26
P27
P25
P24
P23
P22
P21
P20
76
5
4
3
2
1
0
P36
P37
P35
P34
P33
P32
P31
P30
76
5
4
3
2
1
0
P46
P47
P45
P44
P43
P42
P41
P40
76
5
4
3
2
1
0
P56
P57
P55
P54
P53
P52
P51
P50
76
5
4
3
2
1
0
P66
P67
P65
P64
P63
P62
P61
P60
76
5
4
3
2
1
0
P86
P85
P84
P83
P82
P81
P80
76
5
4
3
2
1
0
PC6
PC7
PC5
PC4
PC3
PC2
PC1
PC0
76
5
4
3
2
1
0
PD6
PD7
PD5
PD4
PD3
PD2
PD1
PD0
76
5
4
3
2
1
0
PE6
PE7
PE5
PE4
PE3
PE2
PE1
PE0
76
5
4
3
2
1
0

PF4
PF3
PF2
PF1
PF0
76
5
4
3
2
1
0
PG5
PG4
PG3
PG2
PG1
PG0
76
5
4
3
2
1
0
PH5
PH4
PH3
PH2
PH1
PH0
76
5
4
3
2
1
0
TEST
PI5
PI4
PI3
PI2
PI1
PI0
76
5
4
3
2
1
0
PK6
PK7
PK5
PK4
PK3
PK2
PK1
PK0
76
5
4
3
2
1
0
PL6
PL7
PL5
PL4
PL3
PL2
PL1
PL0



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