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APPENDIX A Memory Map
■ I/O Map
Table A-1 lists addresses assigned to registers of each peripheral function.
Table A-1 I/O Map (1 / 8)
Address
000000
Port 0 data register
H
000001
Port 1 data register
H
000002
Port 2 data register
H
000003
H
000004
Port 4 data register
H
000005
Port 5 data register
H
000006
Port 6 data register
H
000007
H
to
00000F
H
000010
Port 0 data direction register
H
000011
Port 1 direction register
H
000012
Port 2 direction register
H
000013
H
000014
Port 4 direction register
H
000015
Port 5 direction register
H
000016
Port 6 direction register
H
000017
H
to
00001A
H
00001B
Port 4 output pin register
H
00001C
Port 0 Pull-up resistor register
H
00001D
Port 1 Pull-up resistor register
H
00001E
,
H
00001F
H
000020
Serial mode register 0
H
000021
Serial control register 0
H
Serial input data register 0/serial output data
000022
H
register 0
000023
Serial Status Register 0
H
000024
UART prescaler reload register 0
H
000025
UART prescaler control register 0
H
526
Registers
FUJITSU MICROELECTRONICS LIMITED
Abbreviation
Access
PDR0
R/W
PDR1
R/W
PDR2
R/W
Use prohibited
PDR4
R/W
PDR5
R/W
PDR6
R/W
Use prohibited
DDR0
R/W
DDR1
R/W
DDR2
R/W
Use prohibited
DDR4
R/W
DDR5
R/W
DDR6
R/W
Use prohibited
ODR4
R/W
RDR0
R/W
RDR1
R/W
Use prohibited
SMR0
R/W
SCR0
R/W,W
SIDR0/ SODR0
R/W
SSR0
R/W,R
UTRLR0
R/W
UTCR0
R/W
MB90335 Series
Release
Initial value
XXXXXXXX
Port 0
XXXXXXXX
Port 1
XXXXXXXX
Port 2
XXXXXXXX
Port 4
---XXXXX
Port 5
XXXXXXXX
Port 6
00000000
Port 0
00000000
Port 1
00000000
Port 2
00000000
Port 4
---00000
Port 5
00000000
Port 6
Port 4 (OD
00000000
control)
00000000
Port 0(PULLUP)
00000000
Port 1(PULLUP)
00100000
00000100
UART0
XXXXXXXX
00001000
Communication
00000000
Prescaler
0000-000
(UART0)
CM44-10137-6E
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
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