參數(shù)資料
型號: MC68HC05RC17DW
廠商: FREESCALE SEMICONDUCTOR INC
元件分類: 微控制器/微處理器
英文描述: 8-BIT, MROM, 2.097 MHz, MICROCONTROLLER, PDSO28
封裝: SOIC-28
文件頁數(shù): 66/128頁
文件大小: 4788K
代理商: MC68HC05RC17DW
NON-DISCLOSURE
AGREEMENT
REQUIRED
Interrupts
General Release Specification
MC68HC05RC17 Rev. 2.0
Interrupts
Figure 4-1
. Interrupt Processing Flowchart
N
RESTORE REGISTERS
FROM STACK: CCR, A, X, PC.
LOAD PC FROM
APPROPRIATE
VECTOR.
SET I BIT IN
CC REGISTER.
STACK
PC, X, A, CCR.
CLEAR IRQ
REQUEST
LATCH.
FETCH NEXT
INSTRUCTION.
EXECUTE
INSTRUCTION.
N
Y
N
I BIT
IN CCR
SET?
SWI
INSTRUCTION
?
N
Y
RTI
INSTRUCTION
?
Y
FROM
RESET
Y
INTERNAL
CMT
INTERRUPT?
N
Y
INTERNAL
CORE TIMER
INTERRUPT?
IRQ/PORT B KEYSCAN
EXTERNAL
INTERRUPTS?
EIMSK
CLEAR?
Y
N
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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