MB90480/485 Series
Abbreviated
register
name
Read/
Write
Address
Register name
Bus status register
Resource name
Initial value
88H*
89H*
IBSR
IBCR
ICCR
IADR
IDAR
R
00000000B
00000000B
--0XXXXXB
-XXXXXXXB
XXXXXXXXB
Bus control register
Clock control register
Address register
Data register
R/W
R/W
R/W
R/W
8AH*
I2C
8BH*
8CH*
8DH
(Reserved area)
PGCSR R/W
(Disabled)
8EH*
µPG control status register
µPG
00000---B
8FH to 9BH
9CH
µDMAC status register lower digits
µDMAC status register upper digits
DSRL
DSRH
R/W
R/W
µDMAC
µDMAC
00000000B
00000000B
9DH
Program address detection control
status resister
Address match
detection function
9EH
9FH
A0H
A1H
PACSR
DIRR
R/W
R/W
00000000B
-------0B
Delayed interrupt source general/
cancel register
Delayed interrupt
generator module
Low-power consumption mode control
register
Low-power
consumption
LPMCR
CKSCR
W, R/W
R, R/W
00011000B
11111100B
Low-power
consumption
Clock select register
A2H, A3H
A4H
(Reserved area)
µDMAC stop status register
DSSR
ARSR
HACR
EPCR
WDTC
TBTC
WTC
R/W
µDMAC
00000000B
0011 - -00B
********B
A5H
Automatic ready function select register
External address output control register
Bus control signal select register
Watchdog timer control register
Timebase timer control register
Watch timer control register
W
W
External pins
External pins
External pins
Watchdog timer
Timebase timer
Watch timer
A6H
A7H
W
1000*10 -B
XXXXX111B
1XX00100B
10001000B
A8H
R, W
W, R/W
R, R/W
A9H
AAH
ABH
ACH
ADH
(Reserved area)
µDMAC enable register lower digits
µDMAC enable register upper digits
DERL
DERH
R/W
µDMAC
µDMAC
00000000B
00000000B
R/W
Flash memory
interface
AEH
Flash memory control status register
FMCS
W, R/W
000X0000B
AFH
B0H
B1H
B2H
B3H
B4H
B5H
B6H
B7H
B8H
(Disabled)
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
ICR00
ICR01
ICR02
ICR03
ICR04
ICR05
ICR06
ICR07
ICR08
W, R/W
XXXX0111B
XXXX0111B
XXXX0111B
XXXX0111B
XXXX0111B
XXXX0111B
XXXX0111B
XXXX0111B
XXXX0111B
W, R/W
W, R/W
W, R/W
W, R/W Interrupt controller
W, R/W
W, R/W
W, R/W
W, R/W
(Continued)
28
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