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HC05 Datasheet(PDF) 142 Page - Motorola, Inc

Part # HC05
Description  High-density complementary metal oxide semiconductor (HCMOS) microcontroller unit
PDF  232 Pages
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Manufacturer  MOTOROLA [Motorola, Inc]
Direct Link  http://www.freescale.com
Logo MOTOROLA - Motorola, Inc

HC05 Datasheet(HTML) 142 Page - Motorola, Inc

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MOTOROLA
10-8
MC68HC05X16
Rev. 1
RESETS AND INTERRUPTS
10
Figure 10-4 Interrupt flow chart
IRQ or WOI
external interrupt?
Reset
Is I-bit set?
CIRQ
MCAN interrupt?
Timer
internal interrupt?
SCI
internal interrupt?
Fetch next
instruction
Execute
instruction
Clear IRQ
request latch
Stack
PC, X, A, CC
Set I-bit
Load PC from:
IRQ:
$3FFA-$3FFB
Timer IC: $3FF8-$3FF9
Timer OC: $3FF6-$3FF7
Timer OVF:$3FF4-$3FF5
SCI:
$3FF2-$3FF3
MCAN:
$3FF0-$3FF1
Complete interrupt
routine and execute
RTI
YES
NO
YES
YES
YES
NO
NO
NO
NO
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