![](http://datasheet.mmic.net.cn/330000/MB90P224A_datasheet_16438134/MB90P224A_29.png)
29
MB90220 Series
(Continued)
Address
Register
Register
name
Access
Resouce
name
Initial value
00008E
H
WI control register
WICR
R/W
RAM write-
inhibited
– – – X– – – –
00008F
H
Reserved area
—
*1
—
—
000090
H
to 9E
H
00009F
H
Delay interrupt source generation
/release register
DIRR
R/W
Delay interrupt
generation
module
– – – – – – – 0
0000A0
H
Standby control register
STBYC
R/W
Low power
consumption
0 0 0 1 * * * *
0000A3
H
Address mid-order control register
MACR
W
External pin
# # # # # # # #
0000A4
H
Address higher-order control
register
HACR
W
External pin
# # # # # # # #
0000A5
H
External pin control register
EPCR
W
External pin
# # 0 – 0 # 0 0
0000A8
H
Watchdog timer control register
WDTC
R/W
Watchdog
timer
XXXXXXXX
0000A9
H
Timebase timer control register
TBTC
R/W
Timebase
timer
– – – 0 0 0 0 0
0000B0
H
Interrupt control register 00
ICR00
R/W
Interrupt
controller
0 0 0 0 0 1 1 1
0000B1
H
Interrupt control register 01
ICR01
R/W
0 0 0 0 0 1 1 1
0000B2
H
Interrupt control register 02
ICR02
R/W
0 0 0 0 0 1 1 1
0000B3
H
Interrupt control register 03
ICR03
R/W
0 0 0 0 0 1 1 1
0000B4
H
Interrupt control register 04
ICR04
R/W
0 0 0 0 0 1 1 1
0000B5
H
Interrupt control register 05
ICR05
R/W
0 0 0 0 0 1 1 1
0000B6
H
Interrupt control register 06
ICR06
R/W
0 0 0 0 0 1 1 1
0000B7
H
Interrupt control register 07
ICR07
R/W
0 0 0 0 0 1 1 1
0000B8
H
Interrupt control register 08
ICR08
R/W
0 0 0 0 0 1 1 1
0000B9
H
Interrupt control register 09
ICR09
R/W
0 0 0 0 0 1 1 1
0000BA
H
Interrupt control register 10
ICR10
R/W
0 0 0 0 0 1 1 1
0000BB
H
Interrupt control register 11
ICR11
R/W
0 0 0 0 0 1 1 1
0000BC
H
Interrupt control register 12
ICR12
R/W
0 0 0 0 0 1 1 1
0000BD
H
Interrupt control register 13
ICR13
R/W
0 0 0 0 0 1 1 1
0000BE
H
Interrupt control register 14
ICR14
R/W
0 0 0 0 0 1 1 1
0000BF
H
Interrupt control register 15
ICR15
R/W
0 0 0 0 0 1 1 1
0000C0
H
to FF
H
External area *
2
—
—
—
—
001F00
H
PWC data buffer register 0
PWCR0
R/W
PWC0
0 0 0 0 0 0 0 0
001F01
H
0 0 0 0 0 0 0 0