At 03:23 PM 11/23/02 +0000, you wrote:
>Hi
>I'm trying to use a PIC16F877 to log data taken from the A/D converter. (I
>will need to store in the region of 24000 16-bit numbers). I already use the
>EEPROM memory on the chip is there other data memory that I can write the
>measured data to so that I can read it off at a later point?
>Or do I have to look for extended memory? If so how is this accessed?

Why not SEEPROM? For example, MICROCHIP's 24LC515 , 512K bits, available
off the shelf for less than $3 in 100's.  That's sufficient for 32,768
samples.

For larger memory sizes,  check out Atmel.

Best regards,

Spehro Pefhany --"it's the network..."            "The Journey is the reward"
speff@interlog.com             Info for manufacturers: http://www.trexon.com
Embedded software/hardware/analog  Info for designers:  http://www.speff.com

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