MB90F244
20
s I/O MAP
(Continued)
Address
Register
name
Register
Read/
write
Resource
name
Initial value
000000H
PDR0
Port 0 data register
R/W
Port 0
XXXXXXXX B
000001H
PDR1
Port 1 data register
R/W
Port 1
XXXXXXXX B
000002H
PDR2
Port 2 data register
R/W
Port 2
XXXXXXXX B
000003H
PDR3
Port 3 data register
R/W
Port 3
XXXXXXXX B
000004H
PDR4
Port 4 data register
R/W
Port 4
XXXXXXXX B
000005H
PDR5
Port 5 data register
R/W
Port 5
XXXXXXX – B
000006H
PDR6
Port 6 data register
R/W
Port 6
1 11–1111 B
000007H
PDR7
Port 7 data register
R/W
Port 7
– – XXXXXX B
000008H
PDR8
Port 8 data register
R/W
Port 8
– ––––XXXB
000009H
to
00000FH
(Vacancy)
000010H
DDR0
Port 0 data direction register
R/W
Port 0
0 0000000 B
000011H
DDR1
Port 1 data direction register
R/W
Port 1
0 0000000 B
000012H
DDR2
Port 2 data direction register
R/W
Port 2
0 0000000 B
000013H
DDR3
Port 3 data direction register
R/W
Port 3
0 0000000 B
000014H
DDR4
Port 4 data direction register
R/W
Port 4
0 0000000 B
000015H
DDR5
Port 5 data direction register
R/W
Port 5
0 000000– B
000016H
ADER
Analog input enable register
R/W
Analog input
enabled
11111111 B
000017H
DDR7
Port 7 data direction register
R/W
Port 7
– – 0 0 0 0 0 0 B
000018H
DDR8
Port 8 data direction register
R/W
Port 8
– ––––00 0 B
000019H
to
00001FH
(Vacancy)
000020H
SCR1
Serial control status register 1
R/W
8/16-bit I/O
simple serial
interface ch. 1
10000000 B
000021H
SSR1
Serial status register 1
R/W
––––––00 B
000022H
SDR1L
Serial data register 1 (L)
R/W
XXXXXXXX B
000023H
SDR1H
Serial data register 1 (H)
R/W
XXXXXXXX B
000024H
to
000027H
(Vacancy)
000028H
UMC0
Mode control register 0
R/W
UART ch. 0
00000100 B
000029H
USR0
Status register 0
R/W
00010000 B
00002AH
UIDR0/
UODR0
Input data register 0/
output data register 0
R/W
XXXXXXXX B
00002BH
URD0
Rate and data register 0
R/W
0 0 0 0 0 0 0 0 B
00002CH
to
00002EH
(Vacancy)