MC68HC05K1 FREESCALE [Freescale Semiconductor, Inc], MC68HC05K1 Datasheet - Page 63

• Manufacturer Part Number: MC68HC05K1
• Description: HCMOS Microcontroller Unit
• Manufacturer: FREESCALE [Freescale Semiconductor, Inc]

MC68HC05K0 • MC68HC05K1 — Rev. 2.0
NO
CLEAR TOF, RTIF, TOIE, AND RTIE BITS IN TSCR
INTERRUPT?
EXTERNAL
ENABLED?
EXTERNAL
TURN OFF INTERNAL OSCILLATOR
RESET?
LVR
LVR?
TURN ON INTERNAL OSCILLATOR
START STABILIZATION DELAY
NO
NO
NO
SET IRQE BIT IN ISCR
YES
CLEAR I BIT IN CCR
DISABLED?
STABILIZATION
Freescale Semiconductor, Inc.
STOP
STOP
END OF
DELAY?
YES
YES
Figure 6-1. Stop/Wait/Halt Flowchart
1. LOAD PC WITH RESET VECTOR
2. SERVICE INTERRUPT
YES
For More Information On This Product,
NO
a. SAVE CPU REGISTERS ON STACK
b. SET I BIT IN CCR
c. LOAD PC WITH INTERRUPT VECTOR
NO
TURN ON CPU CLOCK
YES
YES
Go to: www.freescale.com
OR
Low-Power Modes
YES
YES
YES
YES
YES
TURN OFF CPU CLOCK
TIMER CLOCK ACTIVE
SET IRQE BIT IN ISCR
CLEAR I BIT IN CCR
ENABLED?
INTERRUPT?
INTERRUPT?
EXTERNAL
EXTERNAL
NO
RESET?
RESET?
TIMER
LVR?
LVR
HALT
COP
NO
NO
NO
YES
NO
NO
YES
YES
YES
YES
YES
TURN OFF CPU CLOCK
TIMER CLOCK ACTIVE
SET IRQE BIT IN ISCR
CLEAR I BIT IN CCR
INTERRUPT?
INTERRUPT?
EXTERNAL
ENABLED?
EXTERNAL
NO
RESET?
RESET?
TIMER
WAIT
Data-Retention Mode
LVR?
LVR
COP
NO
NO
NO
NO
YES
Low-Power Modes
Technical Data
NO