![](http://datasheet.mmic.net.cn/330000/MB90F562_datasheet_16437954/MB90F562_503.png)
APPENDIX A
I/O MAP
Table A lists the addresses assigned to the registers for peripheral functions in the
MB90560 series.
I
I/O map
Table A I/O map
Address
Abbreviation
Register
Access
Resource name
Initial value
000000
H
PDR0
Port 0 data register
R/W
Port 0
XXXXXXXX
B
000001
H
PDR1
Port 1 data register
R/W
Port 1
XXXXXXXX
B
000002
H
PDR2
Port 2 data register
R/W
Port 2
XXXXXXXX
B
000003
H
PDR3
Port 3 data register
R/W
Port 3
XXXXXXXX
B
000004
H
PDR4
Port 4 data register
R/W
Port 4
*XXXXXXX
B
000005
H
PDR5
Port 5 data register
R/W
Port 5
XXXXXXXX
B
000006
H
PDR6
Port 6 data register
R/W
Port 6
****XXXX
B
000007
H
~0F
H
Prohibited area
000010
H
DDR0
Port 0 direction register
R/W
Port 0
00000000
B
000011
H
DDR1
Port 1 direction register
R/W
Port 1
00000000
B
000012
H
DDR2
Port 2 direction register
R/W
Port 2
00000000
B
000013
H
DDR3
Port 3 direction register
R/W
Port 3
00000000
B
000014
H
DDR4
Port 4 direction register
R/W
Port 4
*0000000
B
000015
H
DDR5
Analog input enable register
R/W
Port 5
00000000
B
000016
H
DDR6
Port 6 direction register
R/W
Port 6
****0000
B
000017
H
ADER
Analog input enable register
R/W
Port 5, A/D
11111111
B
000018
H
~1F
H
Prohibited area
000020
H
SMR0
Serial mode control register 0
R/W
UART0
00000000
B
000021
H
SCR0
Serial control register 0
R/W
00000100
B
000022
H
SIDR0/
SODR0
Serial Input data register 0/
Serial output data register 0
R/W
XXXXXXXX
B
000023
H
SSR0
Serial status register 0
R/W
00001000
B
000024
H
SMR1
Serial mode control register 1
R/W
UART1
00000000
B
000025
H
SCR1
Serial control register 1
R/W
00000100
B
000026
H
SIDR1
SODR1
Serial Input data register 1/
Serial output data register 1
R/W
XXXXXXXX
B
000027
H
SSR1
Status register 1
R/W
00001000
B
000028
H
Prohibited area