
MB90860A Series
24
I
I/O MAP
(Continued)
Address
Register
Abbrevia-
tion
Access
Resource name
Initial value
00
H
Port 0 Data Register
PDR0
R/W
Port 0
XXXXXXXX
01
H
Port 1 Data Register
PDR1
R/W
Port 1
XXXXXXXX
02
H
Port 2 Data Register
PDR2
R/W
Port 2
XXXXXXXX
03
H
Port 3 Data Register
PDR3
R/W
Port 3
XXXXXXXX
04
H
Port 4 Data Register
PDR4
R/W
Port 4
XXXXXXXX
05
H
Port 5 Data Register
PDR5
R/W
Port 5
XXXXXXXX
06
H
Port 6 Data Register
PDR6
R/W
Port 6
XXXXXXXX
07
H
Port 7 Data Register
PDR7
R/W
Port 7
XXXXXXXX
08
H
Port 8 Data Register
PDR8
R/W
Port 8
XXXXXXXX
09
H
Port 9 Data Register
PDR9
R/W
Port 9
XXXXXXXX
0A
H
Port A Data Register
PDRA
R/W
Port A
XXXXXXXX
0B
H
Port 5 Analog Input Enable Register
ADER5
R/W
Port 5, A/D
11111111
0C
H
Port 6 Analog Input Enable Register
ADER6
R/W
Port 6, A/D
11111111
0D
H
Port 7 Analog Input Enable Register
ADER7
R/W
Port 7, A/D
11111111
0E
H
Input Level Select Register 0
ILSR0
R/W
Ports
00000000
0F
H
Input Level Select Register 1
ILSR1
R/W
Ports
00000000
10
H
Port 0 Direction Register
DDR0
R/W
Port 0
00000000
11
H
Port 1 Direction Register
DDR1
R/W
Port 1
00000000
12
H
Port 2 Direction Register
DDR2
R/W
Port 2
00000000
13
H
Port 3 Direction Register
DDR3
R/W
Port 3
00000000
14
H
Port 4 Direction Register
DDR4
R/W
Port 4
00000000
15
H
Port 5 Direction Register
DDR5
R/W
Port 5
00000000
16
H
Port 6 Direction Register
DDR6
R/W
Port 6
00000000
17
H
Port 7 Direction Register
DDR7
R/W
Port 7
00000000
18
H
Port 8 Direction Register
DDR8
R/W
Port 8
00000000
19
H
Port 9 Direction Register
DDR9
R/W
Port 9
00000000
1A
H
Port A Direction Register
DDRA
R/W
Port A
00000100
1B
H
Reserved
1C
H
Port 0 Pullup Control Register
PUCR0
R/W
Port 0
00000000
1D
H
Port 1 Pullup Control Register
PUCR1
R/W
Port 1
00000000
1E
H
Port 2 Pullup Control Register
PUCR2
R/W
Port 2
00000000
1F
H
Port 3 Pullup Control Register
PUCR3
R/W
Port 3
00000000