mc68hc705j2 Freescale Semiconductor, Inc, mc68hc705j2 Datasheet - Page 46

• Manufacturer Part Number: mc68hc705j2
• Description: 8-bit Microcontroller
• Manufacturer: Freescale Semiconductor, Inc

MOTOROLA
4-26
Figure 4-3. WAIT Instruction Flowchart
(1) FETCH RESET VECTOR o
(2) SERVICE INTERRUPT.
CLEAR CCR INTERRUPT MA
a. SAVE CPU REGS ON S
c. VECTOR TO INTERRUP
b. SET I-BIT IN CCR.
TIMER CLOCKS ACTIVE.
OSCILLATOR ACTIVE.
STOP CPU CLOCKS.
SERVICE ROUTINE.
CENTRAL PROCESSOR UNIT
YES
CPU CLOCK.
RESTART
RESET ?
WAIT
INTERRUPT ?
YES
NO
EXTERNAL
YES
INTERRUPT ?
NO
INTERNAL
TIMER
NO
MC68HC705J2