MB90820 Series
22
I
I/O MAP
(Continued)
Address
Abbreviation
Register
Byte
access
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Word
access
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Resource name
Initial
value
000000
H
000001
H
000002
H
000003
H
000004
H
000005
H
000006
H
000007
H
000008
H
000009
H
to
00000F
H
000010
H
000011
H
000012
H
000013
H
000014
H
000015
H
000016
H
000017
H
000018
H
000019
H
to
00001F
H
000020
H
000021
H
PDR0
PDR1
PDR2
PDR3
PDR4
PDR5
PDR6
PDR7
PDR8
Port 0 data register
Port 1 data register
Port 2 data register
Port 3 data register
Port 4 data register
Port 5 data register
Port 6 data register
Port 7 data register
Port 8 data register
Port 0
Port 1
Port 2
Port 3
Port 4
Port 5
Port 6
Port 7
Port 8
XXXXXXXX
B
XXXXXXXX
B
XXXXXXXX
B
XXXXXXXX
B
XXXXXXXX
B
XXXXXXXX
B
XXXXXXXX
B
XXXXXXXX
B
XXXXXXXX
B
Prohibited area
DDR0
DDR1
DDR2
DDR3
DDR4
DDR5
DDR6
DDR7
DDR8
Port 0 data direction register
Port 1 data direction register
Port 2 data direction register
Port 3 data direction register
Port 4 data direction register
Port 5 data direction register
Port 6 data direction register
Port 7 data direction register
Port 8 data direction register
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Port 0
Port 1
Port 2
Port 3
Port 4
Port 5
Port 6
Port 7
Port 8
00000000
B
00000000
B
00000000
B
00000000
B
00000000
B
XXXXXX00
B
00000000
B
00000000
B
00000000
B
Prohibited area
SMR0
SCR0
SIDR0 /
SODR0
SSR0
SMR1
SCR1
SIDR1 /
SODR1
SSR1
PWCSL1
PWCSH1
Serial mode register 0
Serial control register 0
Serial input data register 0 /
Serial output data register 0
Serial status register 0
Serial mode register 1
Serial control register 1
Serial input data register 1 /
Serial output data register 1
Serial status register 1
R/W
R/W
R/W
R/W
UART0
00000000
B
00000100
B
000022
H
R/W
R/W
XXXXXXXX
B
000023
H
000024
H
000025
H
R/W
R/W
R/W
R/W
R/W
R/W
00001000
B
00000000
B
00000100
B
UART1
000026
H
R/W
R/W
XXXXXXXX
B
000027
H
000028
H
000029
H
00002A
H
00002B
H
R/W
R/W
R/W
R/W
R/W
R/W
00001000
B
00000000
B
00000000
B
XXXXXXXX
B
XXXXXXXX
B
PWC control status register
CH1
PWC timer (CH1)
PWC1
PWC data buffer register CH1
R/W
00002C
H
DIV1
Divide ratio control register
CH1
R/W
R/W
XXXXXX00
B