
MB90895 Series
DS07-13731-5E
15
■ I/O MAP
(Continued)
Address
Register
abbreviation
Register
Read/
Write
Resource
Initial value
000000H
(Reserved area) *
000001H
PDR1
Port 1 data register
R/W
Port 1
XXXXXXXXB
000002H
PDR2
Port 2 data register
R/W
Port 2
XXXXXXXXB
000003H
PDR3
Port 3 data register
R/W
Port 3
XXXXXXXXB
000004H
PDR4
Port 4 data register
R/W
Port 4
XXXXXXXXB
000005H
PDR5
Port 5 data register
R/W
Port 5
XXXXXXXXB
000006H
to
000010H
(Reserved area) *
000011H
DDR1
Port 1 direction data register
R/W
Port 1
00000000B
000012H
DDR2
Port 2 direction data register
R/W
Port 2
00000000B
000013H
DDR3
Port 3 direction data register
R/W
Port 3
000X0000B
000014H
DDR4
Port 4 direction data register
R/W
Port 4
XXX00000B
000015H
DDR5
Port 5 direction data register
R/W
Port 5
00000000B
000016H
to
00001AH
(Reserved area) *
00001BH
ADER
Analog input permission register
R/W
8/10-bit
A/D converter
11111111B
00001CH
to
00001FH
(Reserved area) *
000020H
SMR0
Serial mode register 0
R/W
UART0
00000000B
000021H
SCR0
Serial control register 0
R/W, W
00000100B
000022H
SIDR0/
SODR0
Serial input data register 0/
Serial output data register 0
R, W
XXXXXXXXB
000023H
SSR0
Serial status register 0
R, R/W
00001X00B
000024H
CDCR0
Communication prescaler control
register 0
R/W
0XXX1111B
000025H
SES0
Serial edge selection register 0
R/W
XXXXXXX0B
000026H
SMR1
Serial mode register 1
R/W
UART1
00000000B
000027H
SCR1
Serial control register 1
R/W, W
00000100B
000028H
SIDR1/
SODR1
Serial input data register 1/
Serial output data register 1
R, W
XXXXXXXXB
000029H
SSR1
Serial status data register 1
R, R/W
00001000B
00002AH
(Reserved area) *
00002BH
CDCR1
Communication prescaler control
register 1
R/W
UART1
0XXX0000B