mc68hc11d0cfn2 Freescale Semiconductor, Inc, mc68hc11d0cfn2 Datasheet - Page 59

• Manufacturer Part Number: mc68hc11d0cfn2
• Description: M68hc11 Microcontrollers
• Manufacturer: Freescale Semiconductor, Inc

MC68HC711D3 — Rev. 2
MOTOROLA
FETCH VECTOR
$FFF8, $FFF9
STACK CPU
REGISTERS
SET I BIT
Figure 6-3. Processing Flow Out of Reset (Sheet 2 of 2)
FETCH VECTOR
$FFF6, $FFF7
STACK CPU
REGISTERS
SET I BIT
Freescale Semiconductor, Inc.
For More Information On This Product,
RESTORE CPU
FROM STACK
REGISTERS
Resets, Interrupts, and Low-Power Modes
Go to: www.freescale.com
Y
N
Y
Y
FETCH OPCODE
INSTRUCTION?
INSTRUCTION?
EXECUTE THIS
INSTRUCTION?
INSTRUCTION
INTERRUPT
CCR SET?
OPCODE?
PENDING?
ANY I-BIT
ILLEGAL
I BIT IN
WAI
SWI
RTI
1A
2A
N
N
N
N
N
Y
START NEXT
INSTRUCTION
SEQUENCE
Y
Y
Resets, Interrupts, and Low-Power Modes
N
VECTOR FOR HIGHEST
RESOLVE INTERRUPT
PRIORITY AND FETCH
PENDING SOURCE
SEE
REGISTERS
STACK CPU
INTERRUPT
SET I BIT
Y
YET?
Figure 4-5
STACK CPU
REGISTERS
Data Sheet
Interrupts
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