MB90570A/570C Series
DS07-13701-9E
23
■ 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
XXX XXX XXB
000001H
PDR1
Port 1 data register
R/W
Port 1
XXX XXX XXB
000002H
PDR2
Port 2 data register
R/W
Port 2
XXX XXX XXB
000003H
PDR3
Port 3 data register
R/W
Port 3
XXX XXX XXB
000004H
PDR4
Port 4 data register
R/W
Port 4
XXX XXX XXB
000005H
PDR5
Port 5 data register
R/W
Port 5
XXX XXX XXB
000006H
PDR6
Port 6 data register
R/W
Port 6
XXX XXX XXB
000007H
PDR7
Port 7 data register
R/W
Port 7
XXX XXX XXB
000008H
PDR8
Port 8 data register
R/W
Port 8
XXX XXX XXB
000009H
PDR9
Port 9 data register
R/W
Port 9
XXX XXX XXB
00000AH
PDRA
Port A data register
R/W
Port A
XXX XXX XXB
00000BH
PDRB
Port B data register
R/W
Port B
XXX XXX XXB
00000CH
PDRC
Port C data register
R/W
Port C
XXX XXX XXB
00000DH
to
00000FH
(Disabled)
000010H
DDR0
Port 0 direction register
R/W
Port 0
000 000 00B
000011H
DDR1
Port 1 direction register
R/W
Port 1
000 000 00B
000012H
DDR2
Port 2 direction register
R/W
Port 2
000 000 00B
000013H
DDR3
Port 3 direction register
R/W
Port 3
000 000 00B
000014H
DDR4
Port 4 direction register
R/W
Port 4
000 000 00B
000015H
DDR5
Port 5 direction register
R/W
Port 5
000 000 00B
000016H
DDR6
Port 6 direction register
R/W
Port 6
000 000 00B
000017H
DDR7
Port 7 direction register
R/W
Port 7
––– 000 00B
000018H
DDR8
Port 8 direction register
R/W
Port 8
000 000 00B
000019H
DDR9
Port 9 direction register
R/W
Port 9
000 000 00B
00001AH
DDRA
Port A direction register
R/W
Port A
0 0 0 0 0 0 0 0B
00001BH
DDRB
Port B direction register
R/W
Port B
0 0 0 0 0 0 0 0B
00001CH
DDRC
Port C direction register
R/W
Port C
0 0 0 0 0 0 0 0B
00001DH
ODR4
Port 4 output pin register
R/W
Port 4
0 0 0 0 0 0 0 0B
00001EH
ADER
Analog input enable register
R/W
Port 8,
8/10-bit
A/D converter
111 111 11B
00001FH
(Disabled)
000020H
SMR0
Serial mode register 0
R/W
UART0
(SCI)
000 000 00B
000021H
SCR0
Serial control register 0
R/W
000 001 00B