參數(shù)資料
型號: MC68HC05C9ACB
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, PDIP42
封裝: SHRINK, PLASTIC, DIP-42
文件頁數(shù): 97/160頁
文件大小: 4128K
代理商: MC68HC05C9ACB
Interrupts
SPI Interrupt
MC68HC05C9A Rev. 4.0
General Release Specification
Interrupts
NON-DISCLOSURE
AGREEMENT
REQUIRED
Figure 4-1. Interrupt Flowchart
FETCH NEXT
INSTRUCTION
SWI
INSTRUCTION
?
RTI
INSTRUCTION
?
EXECUTE
RESTORE REGISTERS
FROM STACK:
CCR,A,X,PC
N
Y
N
Y
INSTRUCTION
STACK
PC,X,A,CCR
SET I BIT IN
CC REGISTER
LOAD PC FROM:
SWI: $3FFC-$3FFD
IRQ: $3FFA-$3FFB
TIMER: $3FF8-$3FF9
SCI: $3FF6-$3FF7
SPI: $3FF4-$3FF5
INTERNAL
SPI
INTERRUPT
INTERNAL
SCI
INTERRUPT
Y
N
INTERNAL
TIMER
INTERRUPT
CLEAR IRQ
REQUEST
LATCH
IRQ OR PORT B
EXTERNAL
INTERRUPT
I BIT
IN CCR
SET?
FROM RESET
Y
F
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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