參數(shù)資料
型號(hào): MC68HC705CJ4FB
廠商: FREESCALE SEMICONDUCTOR INC
元件分類: 微控制器/微處理器
英文描述: 8-BIT, OTPROM, 2.1 MHz, MICROCONTROLLER, PQFP44
封裝: PLASTIC, QFP-44
文件頁數(shù): 36/114頁
文件大?。?/td> 4047K
代理商: MC68HC705CJ4FB
GENERAL RELEASE SPECIFICATION
INTERRUPTS
Rev. 2.1
4-5
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
Figure 4-1. Interrupt Flowchart
LOAD PC FROM:
SWI: $1FFC-$1FFD
IRQ: $1FFA-$1FFB
TIMER 1: $1FF8-$1FF9
SCI: $1FF6-$1FF7
SPI: $1FF4-$1FF5
IIC: $1FF2-$1FF3
TIMER 2: $1FF0-$1FF1
N
Y
INTERNAL
TIMER 2
INTERRUPT
N
RESTORE REGISTERS
FROM STACK:
CCR, A, X, PC
IRQ
EXTERNAL
INTERRUPT
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?
INTERNAL
SPI
INTERRUPT
SWI
INSTRUCTION
?
N
Y
RTI
INSTRUCTION
?
Y
FROM
RESET
N
Y
INTERNAL
TIMER 1
INTERRUPT
N
Y
INTERNAL
SCI
INTERRUPT
F
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e
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S
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n
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I
Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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