MB90540/540G/545/545G Series
(Continued)
Address
A2H to A4H
A5H
Register
Abbreviation Access Resource name
Initial value
Prohibited
Automatic ready function select register
External address output control register
Bus control signal selection register
Watchdog Timer control register
Time Base Timer Control register
Watch timer control register
ARSR
HACR
ECSR
WDTC
TBTC
WTC
W
W
0 0 1 1 _ _ 0 0B
0 0 0 0 0 0 0 0B
0 0 0 0 0 0 0 _B
External Memory
Access
A6H
A7H
W
A8H
R/W
R/W
R/W
Watchdog Timer XXXXX 1 1 1B
Time Base Timer 1 - - 0 0 1 0 0B
A9H
AAH
Watch Timer
1 X 0 0 0 0 0 0B
ABH to ADH
Prohibited
FMCS
Prohibited
Flash memory control status register
(Flash only, otherwise reserved)
AEH
R/W
Flash Memory
0 0 0 X 0 0 0 0B
AFH
B0H
Interrupt control register 00
Interrupt control register 01
Interrupt control register 02
Interrupt control register 03
Interrupt control register 04
Interrupt control register 05
Interrupt control register 06
Interrupt control register 07
Interrupt control register 08
Interrupt control register 09
Interrupt control register 10
Interrupt control register 11
Interrupt control register 12
Interrupt control register 13
Interrupt control register 14
Interrupt control register 15
ICR00
ICR01
ICR02
ICR03
ICR04
ICR05
ICR06
ICR07
ICR08
ICR09
ICR10
ICR11
ICR12
ICR13
ICR14
ICR15
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
0 0 0 0 0 1 1 1B
0 0 0 0 0 1 1 1B
0 0 0 0 0 1 1 1B
0 0 0 0 0 1 1 1B
0 0 0 0 0 1 1 1B
0 0 0 0 0 1 1 1B
0 0 0 0 0 1 1 1B
0 0 0 0 0 1 1 1B
0 0 0 0 0 1 1 1B
0 0 0 0 0 1 1 1B
0 0 0 0 0 1 1 1B
0 0 0 0 0 1 1 1B
0 0 0 0 0 1 1 1B
0 0 0 0 0 1 1 1B
0 0 0 0 0 1 1 1B
0 0 0 0 0 1 1 1B
B1H
B2H
B3H
B4H
B5H
B6H
B7H
Interrupt
controller
B8H
B9H
BAH
BBH
BCH
BDH
BEH
BFH
C0H to FFH
External
Address
1FF0H
1FF1H
1FF2H
1FF3H
1FF4H
1FF5H
Register
Abbreviation Access Resource name
Initial value
XXXXXXXXB
XXXXXXXXB
XXXXXXXXB
XXXXXXXXB
XXXXXXXXB
Program address detection register 0
Program address detection register 0
Program address detection register 0
Program address detection register 1
Program address detection register 1
Program address detection register 1
PADR0
PADR0
PADR0
PADR1
PADR1
PADR1
R/W
R/W
R/W
R/W
R/W
R/W
Address Match
Detection Function
XXXXXXXXB
(Continued)
26
FUJITSU [ FUJITSU ]
