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Rev. 2.0, 11/00, page 608 of 1037
Address bus
General Interrupt
request signal
Interrupt
request signal
MOV execution
Data
write
Data
write
Start of general
interrupt processing
Range of start of ATC
interrupt processing
(1)
029C NOP
0296 MOV.B R2L, @Port
029A NOP
029E NOP
02A0 NOP
02A2 NOP
02A4 NOP
0296
Port
029E
SP-2 SP-4 Vector Vector
0298
NOP
execu-
tion
NOP
execu-
tion
MOV execution
NOP
execu-
tion
NOP
execu-
tion
NOP
execu-
tion
NOP
execu-
tion
NOP
execu-
tion
029A
029C
02A0
Address bus
Interrupt
request
signal
Data
read
Data
read
Start of ATC interrupt
processing
Set one of these to the
trap address
(2)
029C NOP
0296 MOV.B R2L, @Port
029A NOP
029E NOP
02A0 NOP Trap address
02A2 NOP
02A4 NOP
0296
Port
029E
0298
02A0 02A2 02A4
SP-2
029A
029C
02A6
(A)
MOV
instruc-
tion
pre-fetch
MOV
instruc-
tion
pre-fetch
NOP
instruc-
tion
pre-fetch
NOP
instruc-
tion
pre-fetch
NOP
instruc-
tion
pre-fetch
NOP
instruc-
tion
pre-fetch
NOP
instruc-
tion
pre-fetch
NOP
instruc-
tion
pre-fetch
NOP
instruc-
tion
pre-fetch
NOP
instruc-
tion
pre-fetch
NOP
instruc-
tion
pre-fetch
Address
to be
stacked
Figure 27.21 Competing Interrupt (General Interrupt)
Summary of Contents for Hitachi H8S/2191
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