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Rev. 1.0, 07/01, page 61 of 372
MOV
instruc-
tion 1
prefetch
Register setting
• ABRKCR = H'A0
• BAR = H'025A
Program
0258
025A
025C
0260
0262
:
*
NOP
NOP
MOV.W @H'025A,R0
NOP
NOP
:
025C
Address
bus
φ
Interrupt
request
025E 0260 025A 0262 0264 SP-2
MOV
instruc-
tion 2
prefetch
NOP
instruc-
tion
prefetch
MOV
instruc-
tion
execution
Next
instru-
ction
prefetch
Internal
processing
Stack
save
NOP
instruc-
tion
prefetch
Interrupt acceptance
Underline indicates the address
to be stacked.
When the address break is specified in the data read cycle
Figure 4-2 Address Break Interrupt Operation Example (2)