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Re: [lpc2000] LPC2104: which pin selects bootloader?

2004-12-28 by Robert Adsett

At 10:26 AM 12/28/04 -0600, you wrote:

>LPC2104: which pin selects bootloader?
>
>Leon's schematic shows P0.14/EINT1.
>
>The Olimex '2106 schematic shows P0.14/EINT1.
>
>Page 177 of the Philips LPC2106/205/2104 UM (sep 17 2003) claims that P0.14
>determines whether the chip boots to the bootloader or user code.
>
>BUT, page 37 of the very same user's manual gives the boot select function
>to pin /EINT0. (Which is shared with P0.16!)

See also 
http://www.aeolusdevelopment.com/Documentation/ISP_LPC210X_revC.pdf and 
http://www.aeolusdevelopment.com/Documentation/AE0KT100_Schematic_and_Bill_of_Material.pdf 


They agree with the P0.14 choice and I know they work.  I've used them ;)

>So, what's the real story here?  I didn't notice this mentioned in the FAQ,
>so maybe I'm the first to be confused by this.

I hadn't noticed it myself.

Robert

" 'Freedom' has no meaning of itself.  There are always restrictions,
be they legal, genetic, or physical.  If you don't believe me, try to
chew a radio signal. "

                         Kelvin Throop, III

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