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M38B53M4-059FP датащи(PDF) 86 Page - Mitsubishi Electric Semiconductor

номер детали M38B53M4-059FP
подробное описание детали  8-BIT SINGLE-CHIP MICROCOMPUTER
PDF  355 Pages
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производитель  MITSUBISHI [Mitsubishi Electric Semiconductor]
домашняя страница  http://www.mitsubishichips.com
Logo MITSUBISHI - Mitsubishi Electric Semiconductor

M38B53M4-059FP датащи(HTML) 86 Page - Mitsubishi Electric Semiconductor

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38B5 Group User’s Manual
HARDWARE
FUNCTIONAL DESCRIPTION SUPPLEMENT
Timing After Interrupt
The interrupt processing routine begins with the machine cycle fol-
lowing the completion of the instruction that is currently in execution.
Figure 78 shows a timing chart after an interrupt occurs, and Figure
79 shows the time up to execution of the interrupt processing routine.
Fig. 78 Timing chart after interrupt occurs
Fig. 79 Time up to execution of interrupt processing routine
PCH
PCL
PSAL
AH
S, SPSS-2, SPS
S-1, SPS
PC
BL
BH
AL, AH
Address bus
Data bus
Not used
: CPU operation code fetch cycle
(This is an internal signal which cannot be observed from the external unit.)
: Vector address of each interrupt
: Jump destination address of each interrupt
: “0016” or “0116”
SYNC
BL, BH
AL, AH
SPS
WR
RD
SYNC
φ
7 to 23 cycles (4 MHz, 1.75
µs to 5.75 µs)
Interrupt request occurs
Main routine
Interrupt processing routine
2 cycles5 cycles
Waiting time for
pipeline post-
processing
Push onto
stack vector
fetch
Interrupt operation starts
0 to 16 cycles



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