mc68hc05l25 Freescale Semiconductor, Inc, mc68hc05l25 Datasheet - Page 32

• Manufacturer Part Number: mc68hc05l25
• Description: M68hc05 Microcontrollers Microcontroller
• Manufacturer: Freescale Semiconductor, Inc

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