
23
MB90630A Series
s I/O MAP
(Continued)
Address
Register
name
Access
Resource
Initial value
00H
Port 0 data register
PDR0
R/W
Port 0
XXXXXXXX
01H
Port 1 data register
PDR1
R/W
Port 1
XXXXXXXX
02H
Port 2 data register
PDR2
R/W
Port 2
XXXXXXXX
03H
Port 3 data register
PDR3
R/W
Port 3
XXXXXXXX
04H
Port 4 data register
PDR4
R/W
Port 4
XXXXXXXX
05H
Port 5 data register
PDR5
R/W
Port 5
XXXXXXXX
06H
Port 6 data register
PDR6
R/W
Port 6
XXXXXXXX
07H
Port 7 data register
PDR7
R/W
Port 7
–––XXXXX
08H
Port 8 data register
PDR8
R/W
Port 8
XXXXXXXX
09H
Port 9 data register
PDR9
R/W
Port 9
XXXXXXXX
0AH
Port A data register
PDRA
R/W
Port A
–––XXXXX
0B to 0FH
Reserved area
10H
Port 0 direction register
DDR0
R/W
Port 0
0 0 0 0 0 0 0 0
11H
Port 1 direction register
DDR1
R/W
Port 1
0 0 0 0 0 0 0 0
12H
Port 2 direction register
DDR2
R/W
Port 2
0 0 0 0 0 0 0 0
13H
Port 3 direction register
DDR3
R/W
Port 3
0 0 0 0 0 0 0 0
14H
Port 4 direction register
DDR4
R/W
Port 4
0 0 0 0 0 0 0 0
15H
Port 5 direction register
DDR5
R/W
Port 5
0 0 0 0 0 0 0 0
16H
Port 6 direction register
DDR6
R/W
Port 6
0 0 0 0 0 0 0 0
17H
Port 7 direction register
DDR7
R/W
Port 7
– – – 0 0 0 0 0
18H
Port 8 direction register
DDR8
R/W
Port 8
0 0 0 0 0 0 0 0
19H
Port 9 direction register
DDR9
R/W
Port 9
0 0 0 0 0 0 0 0
1AH
Port A direction register
DDRA
R/W
Port A
– – – 0 0 0 0 0
1BH
Port 4 pin register
ODR4
R/W
Port 4
0 0 0 0 0 0 0 0
1CH
Port 0 resistance register
RDR0
R/W
Port 0
0 0 0 0 0 0 0 0
1DH
Port 1 resistance register
RDR1
R/W
Port 1
0 0 0 0 0 0 0 0
1EH
Port 6 resistance register
RDR6
R/W
Port 6
0 0 0 0 0 0 0 0
1FH
Analog input enable register
ADER
R/W
Port 5, A/D
1 1 1 1 1 1 1 1
20H
Serial mode register 0
SMR0
R/W
UART0
00000000
21H
Serial control register 0
SCR0
R/W
0 0 0 0 0 1 0 0
22H
Serial input register/
Serial output register 0
SIDR/
SODR0
R/W
XXXXXXXX