Keil forum The sequence of Power-Up for XC167 and DataFlash

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The sequence of Power-Up for XC167 and DataFlash

li lin over 16 years ago

hello:

Every.

I have a SPI data flash connect to XC167.The supply of the data flash is 3.3v.

Shall the Power-Up of the data flash earlier than XC167 or not ?

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0 Tamir Michael over 16 years ago in reply to li lin

well, I don't know. your flash'd data sheet, on the other hand, does...
but regardless of what is stored on the media, your program will ultimately fail if it attempts to access it before it is fully powered and initialized. again: consult the data sheet.
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0 Tamir Michael over 16 years ago in reply to li lin

well, I don't know. your flash'd data sheet, on the other hand, does...
but regardless of what is stored on the media, your program will ultimately fail if it attempts to access it before it is fully powered and initialized. again: consult the data sheet.
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0 li lin over 16 years ago in reply to Tamir Michael

Thanks!

Another puzzle:

I can't buy the TLE7469 in my country.

I have to choose other IC instead of TLE7469.

I have to designed the power-up sequence of the XC167-5V and XC167-2.5V.

Is the power-up of XC167-5V earlier than XC167-2.5V?
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