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MB90580C Series
26
I
I/O MAP
(Continued)
Address
Register name
Abbreviated
register
name
Read/write
Resource name
Initial value
00
H
Port 0 data register
PDR0
R/W
Port 0
XXXXXXXX
B
01
H
Port 1 data register
PDR1
R/W
Port 1
XXXXXXXX
B
02
H
Port 2 data register
PDR2
R/W
Port 2
XXXXXXXX
B
03
H
Port 3 data register
PDR3
R/W
Port 3
XXXXXXXX
B
04
H
Port 4 data register
PDR4
R/W
Port 4
XXXXXXXX
B
05
H
Port 5 data register
PDR5
R/W
Port 5
1
1
1
1
1
1
1
1
B
06
H
Port 6 data register
PDR6
R/W
Port 6
XXXXXX
B
07
H
Port 7 data register
PDR7
R/W
Port 7
XXXX
B
XXXXXXXX
B
08
H
Port 8 data register
PDR8
R/W
Port 8
09
H
Port 9 data register
PDR9
R/W
Port 9
XXXXXXXX
B
0A
H
Port A data register
PDRA
R/W
Port A
XXX
B
0B
H
to 0F
H
(Disabled)
10
H
Port 0 direction register
DDR0
R/W
Port 0
0
0
0
0
0
0
0
0
B
11
H
Port 1 direction register
DDR1
R/W
Port 1
0
0
0
0
0
0
0
0
B
12
H
Port 2 direction register
DDR2
R/W
Port 2
0
0
0
0
0
0
0
0
B
13
H
Port 3 direction register
DDR3
R/W
Port 3
0
0
0
0
0
0
0
0
B
14
H
Port 4 direction register
DDR4
R/W
Port 4
0
0
0
0
0
0
0
0
B
15
H
Port 5 direction register
DDR5
R/W
Port 5
0
0
0
0
0
0
0
0
B
16
H
Port 6 direction register
DDR6
R/W
Port 6
0
0
0
0
0
0
0
B
0
0
0
0
B
0
0
0
0
0
0
0
0
B
17
H
Port 7 direction register
DDR7
R/W
Port 7
18
H
Port 8 direction register
DDR8
R/W
Port 8
19
H
Port 9 direction register
DDR9
R/W
Port 9
0
0
0
0
0
0
0
0
B
1A
H
Port A direction register
DDRA
R/W
Port A
0
0
0
B
0
0
0
0
0
0
0
0
B
1B
H
Port 4 output pin register
ODR4
R/W
Port 4
1C
H
Port 5 analog input enable
register
ADER
R/W
Port 4, A/D
1
1
1
1
1
1
1
1
B
1D
H
to 1F
H
(Disabled)
20
H
Serial mode register 0
SMR0
R/W
UART0
0
0
0
0
0
0
0
0
B
21
H
Serial control register 0
SCR0
R/W
0
0
0
0
0
1
0
0
B
22
H
Serial input data register 0/
serial output data register 0
SIDR0/
SODR0
R/W
XXXXXXXX
B
23
H
Serial status register 0
SSR0
R/W
0
0
0
0
1
0
0
B