Re: Why and when flash memory is needed in embedded system?


David Ashley wrote:
I think some form of non-volatile memory is needed in a system
of any complexity. I can picture an ASIC or CPLD that does
something useful yet has no non-volatile memory. Like a
sound effect generator, one button switches sounds, the other
button turns sound generation on.


If the embedded system doesn't have flash memory, how can it boot up??
I keep thinking flash memory or ROM is used for boot up process.

is that true? please advice more....

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