![](http://datasheet.mmic.net.cn/330000/MB90435_datasheet_16437443/MB90435_23.png)
MB90435 Series
23
(Continued)
Address
(Continued)
Register
Abbreviation Access
Resource name
Initial value
A2
H
to A4
H
Prohibited
A5
H
Automatic ready function select register
ARSR
W
External Memory
Access
0 0 1 1 _ _ 0 0
B
A6
H
External address output control register
HACR
W
0 0 0 0 0 0 0 0
B
A7
H
Bus control signal selection register
ECSR
W
0 0 0 0 0 0 0 _
B
A8
H
Watchdog Timer control register
WDTC
R/W
Watchdog Timer
XXXXX 1 1 1
B
A9
H
Time Base Timer Control register
TBTC
R/W
Time Base Timer
1 - - 0 0 1 0 0
B
AA
H
Watch timer control register
WTC
R/W
Watch Timer
1 X 0 0 0 0 0 0
B
AB
H
to AD
H
Prohibited
AE
H
Flash memory control status register
(Flash only, otherwise reserved)
FMCS
R/W
Flash Memory
0 0 0 X 0 0 0 0
B
AF
H
Prohibited
B0
H
Interrupt control register 00
ICR00
R/W
Interrupt
controller
0 0 0 0 0 1 1 1
B
B1
H
Interrupt control register 01
ICR01
R/W
0 0 0 0 0 1 1 1
B
B2
H
Interrupt control register 02
ICR02
R/W
0 0 0 0 0 1 1 1
B
B3
H
Interrupt control register 03
ICR03
R/W
0 0 0 0 0 1 1 1
B
B4
H
Interrupt control register 04
ICR04
R/W
0 0 0 0 0 1 1 1
B
B5
H
Interrupt control register 05
ICR05
R/W
0 0 0 0 0 1 1 1
B
B6
H
Interrupt control register 06
ICR06
R/W
0 0 0 0 0 1 1 1
B
B7
H
Interrupt control register 07
ICR07
R/W
0 0 0 0 0 1 1 1
B
B8
H
Interrupt control register 08
ICR08
R/W
0 0 0 0 0 1 1 1
B
B9
H
Interrupt control register 09
ICR09
R/W
0 0 0 0 0 1 1 1
B
BA
H
Interrupt control register 10
ICR10
R/W
0 0 0 0 0 1 1 1
B
BB
H
Interrupt control register 11
ICR11
R/W
0 0 0 0 0 1 1 1
B
BC
H
Interrupt control register 12
ICR12
R/W
0 0 0 0 0 1 1 1
B
BD
H
Interrupt control register 13
ICR13
R/W
0 0 0 0 0 1 1 1
B
BE
H
Interrupt control register 14
ICR14
R/W
0 0 0 0 0 1 1 1
B
BF
H
Interrupt control register 15
ICR15
R/W
0 0 0 0 0 1 1 1
B
C0
H
to FF
H
External
Address
Register
Abbreviation Access
Resource name
Initial value
1FF0
H
Program address detection register 0
PADR0
R/W
Address Match
Detection Function
XXXXXXXX
B
1FF1
H
Program address detection register 0
PADR0
R/W
XXXXXXXX
B
1FF2
H
Program address detection register 0
PADR0
R/W
XXXXXXXX
B
1FF3
H
Program address detection register 1
PADR1
R/W
XXXXXXXX
B
1FF4
H
Program address detection register 1
PADR1
R/W
XXXXXXXX
B
1FF5
H
Program address detection register 1
PADR1
R/W
XXXXXXXX
B