參數(shù)資料
型號(hào): MC68HC05P4ADWR3
廠商: FREESCALE SEMICONDUCTOR INC
元件分類: 微控制器/微處理器
英文描述: 8-BIT, MROM, 2.1 MHz, MICROCONTROLLER, PDSO28
封裝: PLASTIC, SOIC-28
文件頁數(shù): 34/102頁
文件大?。?/td> 930K
代理商: MC68HC05P4ADWR3
Interrupts
Hardware Controlled Interrupt Sequence
MC68HC05P4A — Rev. 6.0
Advance Information
MOTOROLA
Interrupts
37
Figure 4-1. Hardware Interrupt Flowchart
FROM
RESET
EXTERNAL
INTERRUPT
IRQ
INTERNAL
INTERRUPT
TIMER
I BIT
SET
IS
LOAD PC FROM:
IRQ: $1FFA–$1FFB
TIMER: $1FF8–$1FF9
SET I BIT
STACK
PC, X, A, CC
CLEAR IRQ
REQUEST
LATCH
COMPLETE
INTERRUPT
ROUTINE
AND EXECUTE
RTI
FETCH
NEXT
INSTRUCTION
EXECUTE
INSTRUCTION
Y
N
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