I believe there is an application doc. in
microchip.com
for the usb interfacing.

John

--- Mabel Chow <mlchow@seas.upenn.edu> wrote:

> Hi,
> 
> I am trying to select a PIC for a project that I am
> working on. I'm building on 
> a previous project that used the PIC16F88. What was
> required of it was:
> 
> - sample every 5 ms
> - do a ADC
> - do some (simple) calculations on data
> - send data to bluetooth via RS232 link
> 
> The main challenge now is to reduce the size of the
> whole package, and also 
> portability. So I am thinking of getting rid of the
> bluetooth and replacing it 
> with a storage device (USB or compact flash?), and I
> am thinking of : 
> 
> 1. selecting a USB PIC and storing data on a USB
> jump drive or
> 2. keeping the current PIC and adding a connector to
> it for USB capabilities or 
> 3. keeping the current PIC and adding a connector to
> it to connect to Compact 
> Flash
> 
> I have very minimal experience with microcontollers
> (have only worked with 
> Motorola HC11) and would be very, very much
> appreciate any help or suggestions 
> on which choice to go with! Thank you!!
> 
> Mabel
> 
>  
>  
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