MC68HC711KS2MFN4 Freescale Semiconductor, MC68HC711KS2MFN4 Datasheet - Page 126

• Manufacturer Part Number: MC68HC711KS2MFN4
• Description: 32K EPROM - SLOW MODE
• Manufacturer: Freescale Semiconductor

Resets and Interrupts
Technical Data
126
SET BIT I IN CCR
FETCH VECTOR
$FFF8, $FFF9
STACK CPU
REGISTERS
Figure 5-8. Processing Flow Out of Reset (Sheet 2 of 2)
SET BIT I IN CCR
FETCH VECTOR
$FFF6, $FFF7
REGISTERS
STACK CPU
RESTORE CPU
FROM STACK
REGISTERS
Resets and Interrupts
Y
Y
Y
Y
FETCH OPCODE
INSTRUCTION?
INSTRUCTION?
EXECUTE THIS
INSTRUCTION?
INSTRUCTION
INTERRUPT
OPCODE?
PENDING?
CCR = 1?
ANY I-BIT
ILLEGAL
BIT I IN
WAI
SWI
RTI
1A
2A
N
N
N
N
N
N
Y
Y
N
RESOLVE INTERRUPT
PRIORITY AND FETCH
VECTOR FOR HIGHEST
PENDING SOURCE
SET BIT I IN CCR
STACK CPU
REGISTERS
INTERRUPT
PENDING?
Y
ANY
STACK CPU
REGISTERS
M68HC11K Family
MOTOROLA