MB90800 Series
DS07-13733-6E
19
■ I/O MAP
(Continued)
Address
Register
abbreviation
Register
Read/
Write
Resource name
Initial Value
000000H
PDR0
Port 0 data register
R/W
Port 0
XXXXXXXXB
000001H
PDR1
Port 1 data register
R/W
Port 1
XXXXXXXXB
000002H
PDR2
Port 2 data register
R/W
Port 2
XXXXXXXXB
000003H
PDR3
Port 3 data register
R/W
Port 3
XXXXXXXXB
000004H
PDR4
Port 4 data register
R/W
Port 4
XXXXXXXXB
000005H
PDR5
Port 5 data register
R/W
Port 5
XXXXXXXXB
000006H
PDR6
Port 6 data register
R/W
Port 6
XXXXXXXXB
000007H
PDR7
Port 7 data register
R/W
Port 7
- XXXXXXXB
000008H
PDR8
Port 8 data register
R/W
Port 8
- - - XXXXXB
000009H
PDR9
Port 9 data register
R/W
Port 9
- - - - - - XXB
00000AH
to
00000FH
Prohibited
000010H
DDR0
Port 0 direction register
R/W
Port 0
0 0 0 0 0 0 0 0B
000011H
DDR1
Port 1 direction register
R/W
Port 1
0 0 0 0 0 0 0 0B
000012H
DDR2
Port 2 direction register
R/W
Port 2
0 0 0 0 0 0 0 0B
000013H
DDR3
Port 3 direction register
R/W
Port 3
0 0 0 0 0 0 0 0B
000014H
DDR4
Port 4 direction register
R/W
Port 4
0 0 0 0 0 0 0 0B
000015H
DDR5
Port 5 direction register
R/W
Port 5
0 0 0 0 0 0 0 0B
000016H
DDR6
Port 6 direction register
R/W
Port 6
0 0 0 0 0 0 0 0B
000017H
DDR7
Port 7 direction register
R/W
Port 7
- 0 0 0 0 0 0 0B
000018H
DDR8
Port 8 direction register
R/W
Port 8
- - - 0 0 0 0 0B
000019H
DDR9
Port 9 direction register
R/W
Port 9
- - - - - - 0 0B
00001AH
to
00001DH
Prohibited
00001EH
ADER0
Analog input enable 0 register
R/W
Port 6, A/D
1 1 1 1 1 1 1 1B
00001FH
ADER1
Analog input enable 1 register
R/W
Port 7, A/D
- - - - 1 1 1 1B
000020H
SMR0
Serial mode register
R/W
UART0
0 0 0 0 0 - 0 0B
000021H
SCR0
Serial control register
R/W
0 0 0 0 0 1 0 0B
000022H
SIDR0/
SODR0
Serial input/output register
R/W
XXXXXXXXB
000023H
SSR0
Serial data register
R/W
0 0 0 0 1 0 0 0B
000024H
Prohibited
000025H
CDCR0
Communication prescaler control
register
R/W
Prescaler 0
0 0 - - 0 0 0 0B
000026H
Prohibited
000027H