MC68HC711G5 MOTOROLA [Motorola, Inc], MC68HC711G5 Datasheet - Page 63

• Manufacturer Part Number: MC68HC711G5
• Description: High-density Complementary Metal Oxide Semiconductor (HCMOS) Microcontroller
• Manufacturer: MOTOROLA [Motorola, Inc]

MC68HC11G5
SET X AND I BITS
SET X AND I BITS
FETCH VECTOR
FETCH VECTOR
STACK CPU
REGISTERS
$FFF8, FFF9
STACK CPU
REGISTERS
$FFF6, FFF7
RESTORE CPU
Figure 5-2. Processing Flow out of Resets (contd)
FROM STACK
REGISTERS
RESETS, INTERRUPTS AND LOW POWER MODES
YES
YES
YES
NO
FETCH OPCODE
EXECUTE THIS
INSTRUCTION
INTERRUPT
ANY I BIT
PENDING
OPCODE
IN CCR
LEGAL
SET ?
WAI ?
SWI ?
RTI ?
I BIT
1B
1A
?
?
NO
NO
NO
NO
NO
YES
INSTRUCTION
START NEXT
SEQUENCE
YES
YES
NO
VECTOR FOR HIGHEST
RESOLVE INTERRUPT
PRIORITY AND FETCH
PENDING SOURCE
(SEE FIGURE 5-3)
YES
STACK CPU
REGISTERS
INTERRUPT
SET I BIT
YET ?
STACK CPU
REGISTERS
MOTOROLA
5-11