MC68HC711D3CFB2 FREESCALE [Freescale Semiconductor, Inc], MC68HC711D3CFB2 Datasheet - Page 54

• Manufacturer Part Number: MC68HC711D3CFB2
• Description: Microcontrollers
• Manufacturer: FREESCALE [Freescale Semiconductor, Inc]

Resets, Interrupts, and Low-Power Modes
54
FETCH VECTOR
$FFF8, $FFF9
STACK CPU
REGISTERS
SET I BIT
Figure 4-4. Processing Flow Out of Reset (Sheet 2 of 2)
FETCH VECTOR
$FFF6, $FFF7
STACK CPU
REGISTERS
SET I BIT
RESTORE CPU
FROM STACK
REGISTERS
MC68HC711D3 Data Sheet, Rev. 2.1
N
Y
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
Y
N
N
N
START NEXT
INSTRUCTION
SEQUENCE
Y
Y
N
VECTOR FOR HIGHEST
RESOLVE INTERRUPT
PRIORITY AND FETCH
PENDING SOURCE
SEE
STACK CPU
REGISTERS
INTERRUPT
SET I BIT
Y
YET?
Figure 4-5
Freescale Semiconductor
STACK CPU
REGISTERS