piclist 2001\03\07\063206a >
Thread: 16F877 -- Why an EEPROM?
www.piclist.com/techref/microchip/memory.htm?key=eeprom
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face BY : mikespamBeGone@EraseMEwhitewing.co.uk



On Tue, 6 Mar 2001 12:33:11 -0600, you wrote:

>----- Forwarded by Michael J Mansheim/Graco on 03/06/01 12:36 PM -----
>
>> EEPROM can be written/rewritten thousands of times.  Flash has a limited
>> writing memory, and it is very slow to rewrite program memory. If the
>> chip is code protected, one cannot write at all to the flash program
>> memory, but one can still use EEPROM memory.
>
>Actually, the write cycle times are the same (4 ms typ, 10 ms max) for
>both types of memory.
Except with the eeprom the processor can be doing other things during
the write. Writing the flash halts the CPU for the duration.
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<0n6catkhreq41r4uv7h49qfdp6utp05hpb@4ax.com> quoted-printable

In reply to: <OF6E8221E9.A404EA92-ON86256A07.0065E392@graco.com>
See also: www.piclist.com/techref/microchip/memory.htm?key=eeprom
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Subject (change) 16F877 -- Why an EEPROM?

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