
21
MB90640A Series
s I/O MAP
(Continued)
Address
Name
Register
Read/
write*4,*5
Resource name
Initial value
000000H
PDR0
Port 0 data register
R/W*
Port 0*8
XXXXXX XX B
000001H
PDR1
Port 1 data register
R/W*
Port 1*7
XXXXXX XX B
000002H
PDR2
Port 2 data register
R/W*
Port 2*6
XXXXXX XX B
000003H
PDR3
Port 3 data register
R/W*
Port 3*6
XXXXXX XX B
000004H
PDR4
Port 4 data register
R/W
Port 4
XXXXXX XX B
000005H
PDR5
Port 5 data register
R/W
Port 5*8
XXXXXX XX B
000006H
PDR6
Port 6 data register
R/W
Port 6
111 11111 B
000007H
PDR7
Port 7 data register
R/W
Port 7
– XXXXX XX B
000008H
PDR8
Port 8 data register
R/W
Port 8
– XXXXX XX B
000009H
PDR9
Port 9 data register
R/W
Port 9
– – XXXX XX B
00000AH PDRA
Port A data register
R/W
Port A*8
XXXXXX X – B
00000BH
to 0FH
—
Vacancy
*3
—
000010H
DDR0
Port 0 direction register
R/W*
Port 0*8
000 00000 B
000011H
DDR1
Port 1 direction register
R/W*
Port 1*7
000 00000 B
000012H
DDR2
Port 2 direction register
R/W*
Port 2*6
000 00000 B
000013H
DDR3
Port 3 direction register
R/W*
Port 3*6
000 00000 B
000014H
DDR4
Port 4 direction register
R/W
Port 4
0 0 0 00000 B
000015H
DDR5
Port 5 direction register
R/W
Port 5*8
000 00000 B
000016H
DDR6
Port 6 direction register
R/W
Port 6
1 1 1 11111 B
000017H
DDR7
Port 7 direction register
R/W
Port 7
– 0 0 0000– B
000018H
DDR8
Port 8 direction register
R/W
Port 8
– 0 0 00000 B
000019H
DDR9
Port 9 direction register
R/W
Port 9
– – 0 00000 B
00001AH DDRA
Port A direction register
R/W
Port A*8
000 00000 B
00001BH
to 1FH
—
Vacancy
*3
—
000020H
SMR0
Serial mode register 0
R/W!
UART0 (SCI)
000 00000 B
000021H
SCR0
Serial control register 0
R/W!
000 00100 B
000022H
SIDR0/
SODR0
Input data register 0/
output data register 0
R/W
XXXXXX XX B
000023H
SSR0
Serial status register 0
R/W!
000 01–00 B
000024H
SMR1
Serial mode register 1
R/W!
UART1 (SCI)
000 00000 B
000025H
SCR1
Serial control register 1
R/W!
000 00100 B
000026H
SIDR1/
SODR1
Input data register 1/
output data register 1
R/W
XXXXXX XX B
000027H
SSR1
Serial status register 1
R/W!
000 01–00 B