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68HC705BD7 Datasheet(PDF) 32 Page - Freescale Semiconductor, Inc

Part # 68HC705BD7
Description  SPECIFICATION REV 2.0 (General Release)
PDF  85 Pages
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Manufacturer  FREESCALE [Freescale Semiconductor, Inc]
Direct Link  http://www.freescale.com
Logo FREESCALE - Freescale Semiconductor, Inc

68HC705BD7 Datasheet(HTML) 32 Page - Freescale Semiconductor, Inc

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SECTION 4: INTERRUPTS
Page 22
GENERAL RELEASE SPECIFICATION
MC68HC05BD7 Rev. 2.0
Figure 4-1: Interrupt Processing Flowchart
N
N
N
Y
Y
Y
Y
Y
From
RESET
Is
I-Bit
Set?
Load Interrupt
Vectors to PC
Set I-Bit in CCR
PC -> (SP,SP-1)
X -> (SP-2)
A -> (SP-3)
CC -> (SP-4)
Clear IRQ
Latch
Restore Registers
from Stack
CC, A, X, PC
IRQ
External
Interrupt?
DDC12AB
Interrupt?
Execute
Instruction
Fetch Next
Instruction
RTI
Instruction?
SWI
Instruction?
N
N
Y
V Sync
Interrupt?
N
Y
MFT
Interrupt?
N
Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com



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