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68HC05CL48 Datasheet(PDF) 34 Page - Motorola, Inc

Part # 68HC05CL48
Description  SPECIFICATION (General Release)
PDF  145 Pages
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Manufacturer  MOTOROLA [Motorola, Inc]
Direct Link  http://www.freescale.com
Logo MOTOROLA - Motorola, Inc

68HC05CL48 Datasheet(HTML) 34 Page - Motorola, Inc

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GENERAL RELEASE SPECIFICATION
June 11, 1997
MOTOROLA
INTERRUPTS
MC68HC05CL48
4-2
REV 2.0
Figure 4-1. Interrupt Processing Flowchart
Clear IRQ
Latch
From
RESET
Is
I-Bit
Set?
Y
N
IRQn/KBI
Interrupt?
Y
N
Caller_id
Interrupt?
Y
N
CTimer/WTimer
Interrupt?
Y
N
PC -> (SP,SP-1)
X -> (SP-2)
A -> (SP-3)
CC -> (SP-4)
Set I-Bit in CCR
CC,A,X,PC
Fetch Next
Instruction
Load Interrupt
Vectors To PC
SWI
Instruction?
Y
N
RTI
Instruction?
Y
N
Execute
Instruction
Restore Registers
From Stack
IRQ
Interrupt?
Y
N
SPI
Interrupt?
Y
N
Timer
Interrupt?
Y
N



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