
MB90820 Series
26
(Continued)
Address
Abbreviation
Register
Byte
access
Word
access
Resource name
Initial
value
00008EH
RDR2
Port 2 pull-up resistor setting
register
R/W
Port 2
0 0000000 B
00008FH
RDR3
Port 3 pull-up resistor setting
register
R/W
Port 3
0 0000000 B
000090H to
00009DH
Prohibited area
00009EH
PACSR
Program address detection
control status register
R/W
Address match
detection
00000000 B
00009FH
DIRR
Delayed interrupt cause /
clear register
R/W
Delayed interrupt
XXXXXXX0B
0000A0H
LPMCR
Low-power consumption mode
control register
R/W
Low-power
consumption control
register
00011000 B
0000A1H
CKSCR
Clock selection register
R/W
1 1 1 1 1 1 0 0 B
0000A2H to
0000A7H
Prohibited area
0000A8H
WDTC
Watchdog timer control register
R/W
Watchdog timer
XXXXX111B
0000A9H
TBTC
Timebase timer control register
R/W
Timebase timer
1 XX 0 0 1 00 B
0000AAHto
0000ADH
Prohibited area
0000AEH
FMCS
Flash memory control status
register
R/W
Flash memory
interface circuit
000X0000 B
0000AFH
Prohibited area
0000B0H
ICR00
Interrupt control register 00
R/W
Interrupt controller
00000111 B
0000B1H
ICR01
Interrupt control register 01
R/W
0 0 0 0 0 1 1 1 B
0000B2H
ICR02
Interrupt control register 02
R/W
0 0 0 0 0 1 1 1 B
0000B3H
ICR03
Interrupt control register 03
R/W
0 0 0 0 0 1 1 1 B
0000B4H
ICR04
Interrupt control register 04
R/W
0 0 0 0 0 1 1 1 B
0000B5H
ICR05
Interrupt control register 05
R/W
0 0 0 0 0 1 1 1 B
0000B6H
ICR06
Interrupt control register 06
R/W
0 0 0 0 0 1 1 1 B
0000B7H
ICR07
Interrupt control register 07
R/W
0 0 0 0 0 1 1 1 B
0000B8H
ICR08
Interrupt control register 08
R/W
0 0 0 0 0 1 1 1 B
0000B9H
ICR09
Interrupt control register 09
R/W
0 0 0 0 0 1 1 1 B
0000BAH
ICR10
Interrupt control register 10
R/W
0 0 0 0 0 1 1 1 B
0000BBH
ICR11
Interrupt control register 11
R/W
0 0 0 0 0 1 1 1 B
0000BCH
ICR12
Interrupt control register 12
R/W
0 0 0 0 0 1 1 1 B
0000BDH
ICR13
Interrupt control register 13
R/W
0 0 0 0 0 1 1 1 B
0000BEH
ICR14
Interrupt control register 14
R/W
0 0 0 0 0 1 1 1 B
0000BFH
ICR15
Interrupt control register 15
R/W
0 0 0 0 0 1 1 1 B