參數(shù)資料
型號: 68HC705PL4B
廠商: Motorola, Inc.
英文描述: 8-Bit Microcontroller Units (MCU).(8位微控制器)
中文描述: 8位微控制器單元(MCU)。(8位微控制器)
文件頁數(shù): 27/98頁
文件大?。?/td> 1019K
代理商: 68HC705PL4B
April 30, 1998
GENERAL RELEASE SPECIFICATION
MC68HC05PL4
REV 2.0
INTERRUPTS
MOTOROLA
4-3
Figure 4-2. Interrupt Flowchart
NO
EXTERNAL
INTERRUPT
I BIT SET
FROM
RESET
YES
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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