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 ?
it is data flash.It will record some information when a day's work finish.
There is no code stored in the data flash.
There is much noise when power up.
What is the right power-up sequence to avoid the data flash edited?
The interface of the data flash is SPI.
Thanks!
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.
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?