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| 型號(hào)： | MC68HC05F8FU |
| 廠商： | FREESCALE SEMICONDUCTOR INC |
| 元件分類(lèi)： | 微控制器/微處理器 |
| 英文描述： | 8-BIT, MROM, 1.8 MHz, MICROCONTROLLER, PQFP64 |
| 封裝： | PLASTIC, QFP-64 |
| 文件頁(yè)數(shù)： | 14/126頁(yè) |
| 文件大?。?/td> | 1084K |
| 代理商： | MC68HC05F8FU |
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MOTOROLA
12-6
MC68HC05F8
OPERATING MODES
12
12.3.3
Program and Verify EPROM
In the Program and Verify EPROM routine, the contents of the external EPROM are copied into
the EPROM areas of the MC68HC705F8 device. There is a direct correspondence of addresses
between the two devices. Non-EPROM addresses are ignored so data contained in those areas
are not accessed. Unprogrammed EPROM address locations should contain $FF to speed up the
programming operation. During the programming routine the Program/Verify LED is illuminated.
At the end of the programming routine, the LED is turned off, and the verication routine is entered.
If the contents of the EPROM and external EPROM exactly match, then the Veried LED is
illuminated. The verication routine stops if a discrepancy has been detected.
Figure 12-4 EPROM Programming Sequence
START
Write additional
byte?
Vpp on
LAT=1
Write EPROM byte
Wait 2ms
EPMG=1
EPMG=8
Wait 1ms
Vpp off
END
N
Y
TPG
108
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For More Information On This Product,
Go to: www.freescale.com
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Freescale Semiconductor, Inc.
For More Information On This Product,
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相關(guān)代理商/技術(shù)參數(shù) |
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| MC68HC05J1 | 制造商:MOTOROLA 制造商全稱(chēng):Motorola, Inc 功能描述:HCMOS MICROCONTROLLER UNIT |
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| MC68HC05J1ACDW | 制造商:FREESCALE 制造商全稱(chēng):Freescale Semiconductor, Inc 功能描述:Microcontrollers |
| MC68HC05J1ACP | 制造商:FREESCALE 制造商全稱(chēng):Freescale Semiconductor, Inc 功能描述:Microcontrollers |
| MC68HC05J1ADW | 制造商:FREESCALE 制造商全稱(chēng):Freescale Semiconductor, Inc 功能描述:Microcontrollers |
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