mc68hc05l25 Freescale Semiconductor, Inc, mc68hc05l25 Datasheet - Page 32
mc68hc05l25
Manufacturer Part Number
mc68hc05l25
Description
M68hc05 Microcontrollers Microcontroller
Manufacturer
Freescale Semiconductor, Inc
Datasheet
1.MC68HC05L25.pdf
(152 pages)
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Operating Modes
32
NOTES:
† For slave mode only
‡ When clocked by XOSC
AND CLEAR I BIT IN CCR.
STOP OSCILLATOR
AND ALL CLOCKS
EXCEPT XOSC
INTERRUPT?
INTERRUPT?
INTERRUPT?
INTERRUPT?
EXTERNAL
EXTERNAL
N
RESET?
N
N
N
N
SPI †
STOP
TBI ‡
KWI
IRQ
†
Y
Y
Y
Y
Y
Figure 3-1. Stop/Wait Flowcharts
MC68HC05L25 Data Sheet, Rev. 3.1
FETCH RESET VECTOR
SERVICE INTERRUPT
INTERNAL PROCESSOR CLOCK.
A. STACK
B. SET I BIT
C. VECTOR TO INTERRUPT ROUTINE
RESTART
OR
EXTERNAL OSCILLATOR ACTIVE
Y
Y
Y
Y
Y
STOP INTERNAL PROCESSOR
Y
TIMER CLOCK ACTIVE
AND INTERNAL
INTERRUPT?
INTERRUPT?
INTERRUPT?
INTERRUPT?
INTERRUPT?
EXTERNAL
EXTERNAL
RESET?
CLOCK.
TBI ‡
SPI †
KWI
WAIT
EVI
IRQ
Freescale Semiconductor
N
N
N
N
N
N
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