![](http://datasheet.mmic.net.cn/330000/MB90P224BPF_datasheet_16438137/MB90P224BPF_25.png)
25
MB90220 Series
I
I/O MAP
(Continued)
Address
Register
Register
name
Access
Resouce
name
Initial value
000000
H*3
Port 0 data register
PDR0
R/W
Port 0
XXXXXXXX
000001
H*3
Port 1 data register
PDR1
R/W
Port 1
XXXXXXXX
000002
H*3
Port 2 data register
PDR2
R/W
Port 2
XXXXXXXX
000003
H*3
Port 3 data register
PDR3
R/W
Port 3
XXXXXXXX
000004
H*3
Port 4 data register
PDR4
R/W
Port 4
XXXXXXXX
000005
H*3
Port 5 data register
PDR5
R/W
Port 5
XXXXXXXX
000006
H
Port 6 data register
PDR6
R/W
Port 6
1 1 1 1 1 1 1 1
000007
H
Port 7 data register
PDR7
R
Port 7
XXXXXXXX
000008
H
Port 8 data register
PDR8
R/W
Port 8
XXXXXXXX
000009
H
Port 9 data register
PDR9
R/W
Port 9
1 1 1 1 1 1 1 1
00000A
H
Port A data register
PDRA
R/W
Port A
XXXXXXXX
00000B
H
Port B data register
PDRB
R/W
Port B
XXXXXXXX
00000C
H
Port C data register
PDRC
R/W
Port C
– – XXXXXX
00000D
H
to 0F
H
(Reserved area)
*1
000010
H*3
Port 0 data direction register
DDR0
R/W
Port 0
0 0 0 0 0 0 0 0
000011
H*3
Port 1 data direction register
DDR1
R/W
Port 1
0 0 0 0 0 0 0 0
000012
H*3
Port 2 data direction register
DDR2
R/W
Port 2
0 0 0 0 0 0 0 0
000013
H*3
Port 3 data direction register
DDR3
R/W
Port 3
0 0 0 0 0 0 0 0
000014
H*3
Port 4 data direction register
DDR4
R/W
Port 4
0 0 0 0 0 0 0 0
000015
H*3
Port 5 data direction register
DDR5
R/W
Port 5
0 0 0 0 0 0 0 0
000016
H
Port 6 analog input enable register
ADER0
R/W
Port 6
1 1 1 1 1 1 1 1
000017
H
Port 7 data direction register
DDR7
R/W
Port 7
1 1 1 1 1 1 1 1
000018
H
Port 8 data direction register
DDR8
R/W
Port 8
0 0 0 0 0 0 0 0
000019
H
Port 9 analog input enable register
ADER1
R/W
Port 9
1 1 1 1 1 1 1 1
00001A
H
Port A data direction register
DDRA
R/W
Port A
0 0 0 0 0 0 0 0
00001B
H
Port B data direction register
DDRB
R/W
Port B
0 0 0 0 0 0 0 0
––
0 0 0 0 0 0
00001C
H
Port C data direction register
DDRC
R/W
Port C
00001D
H
to 1F
H
(Reserved area)
*1
000020
H
Mode control register 0
UMC0
R/W
UART 0 (ch.0)
0 0 0 0 0 1 0 0
000021
H
Status register 0
USR0
R/W
0 0 0 1 0 0 0 0
000022
H
Input data register 0
/output data register 0
UIDR0
/UODR0
R/W
XXXXXXXX