MB90570 Series
22
s I/O MAP
(Continued)
Address
Abbreviated
register
name
Register name
Read/
write
Resource name
Initial value
000000H
PDR0
Port 0 data register
R/W
Port 0
X X X X X X X X B
000001H
PDR1
Port 1 data register
R/W
Port 1
X X X X X X X X B
000002H
PDR2
Port 2 data register
R/W
Port 2
X X X X X X X X B
000003H
PDR3
Port 3 data register
R/W
Port 3
X X X X X X X X B
000004H
PDR4
Port 4 data register
R/W
Port 4
X X X X X X X X B
000005H
PDR5
Port 5 data register
R/W
Port 5
X X X X X X X X B
000006H
PDR6
Port 6 data register
R/W
Port 6
X X X X X X X X B
000007H
PDR7
Port 7 data register
R/W
Port 7
X X X X X X X X B
000008H
PDR8
Port 8 data register
R/W
Port 8
X X X X X X X X B
000009H
PDR9
Port 9 data register
R/W
Port 9
X X X X X X X X B
00000AH
PDRA
Port A data register
R/W
Port A
X X X X X X X X B
00000BH
PDRB
Port B data register
R/W
Port B
X X X X X X X X B
00000CH
PDRC
Port C data register
R/W
Port C
X X X X X X X X B
00000DH
to
00000FH
(Disabled)
000010H
DDR0
Port 0 direction register
R/W
Port 0
0 0 0 0 0 0 0 0 B
000011H
DDR1
Port 1 direction register
R/W
Port 1
0 0 0 0 0 0 0 0 B
000012H
DDR2
Port 2 direction register
R/W
Port 2
0 0 0 0 0 0 0 0 B
000013H
DDR3
Port 3 direction register
R/W
Port 3
0 0 0 0 0 0 0 0 B
000014H
DDR4
Port 4 direction register
R/W
Port 4
0 0 0 0 0 0 0 0 B
000015H
DDR5
Port 5 direction register
R/W
Port 5
0 0 0 0 0 0 0 0 B
000016H
DDR6
Port 6 direction register
R/W
Port 6
0 0 0 0 0 0 0 0 B
000017H
DDR7
Port 7 direction register
R/W
Port 7
– – – 0 0 0 0 0 B
000018H
DDR8
Port 8 direction register
R/W
Port 8
0 0 0 0 0 0 0 0 B
000019H
DDR9
Port 9 direction register
R/W
Port 9
0 0 0 0 0 0 0 0 B
00001AH
DDRA
Port A direction register
R/W
Port A
0 0 0 0 0 0 0 0 B
00001BH
DDRB
Port B direction register
R/W
Port B
0 0 0 0 0 0 0 0 B
00001CH
DDRC
Port C direction register
R/W
Port C
0 0 0 0 0 0 0 0 B
00001DH
ODR4
Port 4 output pin register
R/W
Port 4
0 0 0 0 0 0 0 0 B
00001EH
ADER
Analog input enable register
R/W
Port 8,
8/10-bit
A/D converter
11111111 B
00001FH
(Disabled)
000020H
SMR0
Serial mode register 0
R/W
UART0
(SCI)
00000000 B
000021H
SCR0
Serial control register 0
R/W
0 0 0 0 0 1 0 0 B