參數(shù)資料
型號: MCC68HC711D3
廠商: MOTOROLA INC
元件分類: 微控制器/微處理器
英文描述: 8-BIT, OTPROM, 3 MHz, MICROCONTROLLER, UUC
封裝: DIE
文件頁數(shù): 113/157頁
文件大小: 2252K
代理商: MCC68HC711D3
Resets, Interrupts, and Low-Power Modes
Interrupts
MC68HC711D3 — Rev. 2
Data Sheet
MOTOROLA
Resets, Interrupts, and Low-Power Modes
59
Figure 6-3. Processing Flow Out of Reset (Sheet 2 of 2)
I BIT IN
CCR SET?
2A
Y
N
ANY I-BIT
INTERRUPT
Y
N
PENDING?
FETCH OPCODE
ILLEGAL
OPCODE?
N
Y
WAI
Y
N
INSTRUCTION?
SWI
INSTRUCTION?
Y
N
RTI
INSTRUCTION?
Y
N
EXECUTE THIS
INSTRUCTION
STACK CPU
REGISTERS
N
Y
INTERRUPT
YET?
SET I BIT
STACK CPU
REGISTERS
SET I BIT
FETCH VECTOR
$FFF8, $FFF9
STACK CPU
REGISTERS
FETCH VECTOR
$FFF6, $FFF7
RESTORE CPU
REGISTERS
FROM STACK
1A
STACK CPU
REGISTERS
RESOLVE INTERRUPT
PRIORITY AND FETCH
VECTOR FOR HIGHEST
PENDING SOURCE
SET I BIT
START NEXT
INSTRUCTION
SEQUENCE
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