
29
MB90220 Series
(Continued)
Address
Register
name
Access
Resouce
name
Initial value
00008EH
WI control register
WICR
R/W
Write-inhibit
RAM
–––X ––– –
00008FH
(Reserved area)*1
000090H
to 9EH
00009FH
Delay interrupt source generation
/release register
DIRR
R/W
Delay interrupt
generation
module
––––––– 0
0000A0H
Standby control register
STBYC
R/W
Low power
consumption
0001* * * *
0000A3H
Address mid-order control register
MACR
W
External pin
####### #
0000A4H
Address higher-order control
register
HACR
W
External pin
####### #
0000A5H
External pin control register
EPCR
W
External pin
##0–0#0 0
0000A8H
Watchdog timer control register
WDTC
R/W
Watchdog
timer
XXXXXXX X
0000A9H
Timebase timer control register
TBTC
R/W
Timebase
timer
–––0000 0
0000B0H
Interrupt control register 00
ICR00
R/W
Interrupt
controller
0000011 1
0000B1H
Interrupt control register 01
ICR01
R/W
0000011 1
0000B2H
Interrupt control register 02
ICR02
R/W
0000011 1
0000B3H
Interrupt control register 03
ICR03
R/W
0000011 1
0000B4H
Interrupt control register 04
ICR04
R/W
0000011 1
0000B5H
Interrupt control register 05
ICR05
R/W
0000011 1
0000B6H
Interrupt control register 06
ICR06
R/W
0000011 1
0000B7H
Interrupt control register 07
ICR07
R/W
0000011 1
0000B8H
Interrupt control register 08
ICR08
R/W
0000011 1
0000B9H
Interrupt control register 09
ICR09
R/W
0000011 1
0000BAH
Interrupt control register 10
ICR10
R/W
0000011 1
0000BBH
Interrupt control register 11
ICR11
R/W
0000011 1
0000BCH
Interrupt control register 12
ICR12
R/W
0000011 1
0000BDH
Interrupt control register 13
ICR13
R/W
0000011 1
0000BEH
Interrupt control register 14
ICR14
R/W
0000011 1
0000BFH
Interrupt control register 15
ICR15
R/W
0000011 1
0000C0H
to FFH
(External area)*2
001F00H
PWC data buffer register 0
PWCR0
R/W
PWC timer 0
0000000 0
001F01H
0000000 0