
MB90480/485 Series
20
s
s I/O MAP
(Continued)
Address
Register name
Abbreviated
register name
Read/
Write
Resource name
Initial value
00H
Port 0 data register
PDR0
R/W
Port 0
XXXXXXXXB
01H
Port 1 data register
PDR1
R/W
Port 1
XXXXXXXXB
02H
Port 2 data register
PDR2
R/W
Port 2
XXXXXXXXB
03H
Port 3 data register
PDR3
R/W
Port 3
XXXXXXXXB
04H
Port 4 data register
PDR4
R/W
Port 4
XXXXXXXXB
05H
Port 5 data register
PDR5
R/W
Port 5
XXXXXXXXB
06H
Port 6 data register
PDR6
R/W
Port 6
XXXXXXXXB
07H
Port 7 data register
PDR7
R/W
Port 7
XXXXXXXXB
(MB90480 series)
11XXXXXXB
(MB90485 series)
08H
Port 8 data register
PDR8
R/W
Port 8
XXXXXXXXB
09H
Port 9 data register
PDR9
R/W
Port 9
XXXXXXXXB
0AH
Port A data register
PDRA
R/W
Port A
- - - - XXXXB
0BH
Up/down timer input enable register
UDRE
R/W
U/D timer input
control
XX 0 0 0 0 0 0B
0CH
Interrupt/DTP enable register
ENIR
R/W
DTP/external
interrupts
0 0 0 0 0 0 0 0B
0DH
Interrupt/DTP source register
EIRR
R/W
XXXXXXXXB
0EH
Request level setting register
ELVR
R/W
0 0 0 0 0 0 0 0B
0FH
Request level setting register
R/W
0 0 0 0 0 0 0 0B
10H
Port 0 direction register
DDR0
R/W
Port 0
0 0 0 0 0 0 0 0B
11H
Port 1 direction register
DDR1
R/W
Port 1
0 0 0 0 0 0 0 0B
12H
Port 2 direction register
DDR2
R/W
Port 2
0 0 0 0 0 0 0 0B
13H
Port 3 direction register
DDR3
R/W
Port 3
0 0 0 0 0 0 0 0B
14H
Port 4 direction register
DDR4
R/W
Port 4
0 0 0 0 0 0 0 0B
15H
Port 5 direction register
DDR5
R/W
Port 5
0 0 0 0 0 0 0 0B
16H
Port 6 direction register
DDR6
R/W
Port 6
0 0 0 0 0 0 0 0B
17H
Port 7 direction register
DDR7
R/W
Port 7
0 0 0 0 0 0 0 0B
(MB90480 series)
XX0 0 0 0 0 0B
(MB90485 series)
18H
Port 8 direction register
DDR8
R/W
Port 8
0 0 0 0 0 0 0 0B
19H
Port 9 direction register
DDR9
R/W
Port 9
0 0 0 0 0 0 0 0B
1AH
Port A direction register
DDRA
R/W
Port A
- - - - 0 0 0 0B
1BH
Port 4 output pin register
ODR4
R/W
Port 4 (OD control)
0 0 0 0 0 0 0 0B
1CH
Port 0 input resistance register
RDR0
R/W
Port 0 (Pull-up)
0 0 0 0 0 0 0 0B
1DH
Port 1 input resistance register
RDR1
R/W
Port 1 (Pull-up)
0 0 0 0 0 0 0 0B
1EH
Port 7 output pin register
ODR7
R/W
Port 7 (OD control)
0 0 0 0 0 0 0 0B
(MB90480 series)
XX0 0 0 0 0 0B
(MB90485 series)
1FH
Analog input enable register
ADER
R/W
Port 5, A/D
1 1 1 1 1 1 1 1B