mc68hc05l28 Freescale Semiconductor, Inc, mc68hc05l28 Datasheet - Page 106
mc68hc05l28
Manufacturer Part Number
mc68hc05l28
Description
?exible General-purpose Microcomputer
Manufacturer
Freescale Semiconductor, Inc
Datasheet
1.MC68HC05L28.pdf
(156 pages)
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10
MOTOROLA
10-4
Yes
External interrupt?
Is I-bit set?
Core timer
Fetch next
instruction
instruction
instruction
instruction
interrupt?
interrupt?
TIMER16
IRQ0,1,2
interrupt?
Execute
RESET
From
SWI
RTI
I
2
?
?
C
No
No
No
No
No
No
No
Figure 10-1 Interrupt flow chart
RESETS AND INTERRUPTS
Yes
Yes
Yes
Yes
Yes
Yes
Clear IRQ0,1,2
SWI:
IRQ0:
IRQ1:
IRQ2:
CTimer:
I
TIM16:
2
C:
Load PC From:
Restore registers
PC, X, A, CC
CC, A, X, PC
from stack:
Stack
Set I-bit
$3FFC - $3FFD
$3FFA - $3FFB
$3FFA - $3FFB
$3FFA - $3FFB
$3FF8 - $3FF9
$3FF6 - $3FF7
$3FF4 - $3FF5
MC68HC05L28
TPG
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