參數(shù)資料
型號: MC68HC05PL4CSD
廠商: MOTOROLA INC
元件分類: 微控制器/微處理器
英文描述: 8-BIT, MROM, 2.56 MHz, MICROCONTROLLER, PDSO28
封裝: SSOP-28
文件頁數(shù): 20/98頁
文件大?。?/td> 1019K
代理商: MC68HC05PL4CSD
April 30, 1998
GENERAL RELEASE SPECIFICATION
MC68HC05PL4
INTERRUPTS
MOTOROLA
REV 2.0
4-3
Figure 4-2. Interrupt Flowchart
NO
EXTERNAL
INTERRUPT?
I BIT SET?
FROM
RESET
YES
CLEAR IRQ LATCH.
NO
EXECUTE INSTRUCTION.
UNSTACK CCR, A, X, PCH, PCL.
FETCH NEXT
INSTRUCTION.
STACK PCL, PCH, X, A, CCR.
SET I BIT.
LOAD PC WITH INTERRUPT VECTOR.
16-BIT TIMER
INTERRUPT?
YES
NO
8-BIT TIMER
INTERRUPT?
YES
NO
KEYBOARD
INTERRUPT?
YES
NO
SWI
INSTRUCTION?
YES
NO
RTI
INSTRUCTION?
YES
NO
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