Lpc2000

At 05:35 PM 10/4/04 -0400, you wrote:
>We've got a board: http://www.njqrp.org/hc908/index.html
>with one of these Mot chips on it.  The board was designed
>to allow a variety of CPUs to control the devices designed
>to accept the daughtercard.
>
>I'm looking into making an ARM version.  Can anyone suggest
>an ARM uC with this minimum set of features:
>
>32 KB FLASH  -- so, equiv to what a HC908 can do with 32KB of FLASH
>1K RAM/
>512 bytes EEPROM  -- we can add this externally in a serial EEPROM
>51 general purpose I/O pins
>8-channel 8-bit A/D Converters
>two 16-bit timer ports * 4 PWM channels each
>Programmable interrupt timer
>UART
>SPI
>
>The PWM/timer stuff is probably negotiable as an ARM can probably
>fake it well enough.  Same goes for the SPI, if it really matters.
>Heck, the A/D could go on an external chip, as well--if it really
>helps.

How about the ADUC7021 or ADUC7024 from Analog devices?  Biggest issue 
would be I/O pins, they do have variant that go up to 40 I/O pins.  Maybe 
add SPI expansion on the I/O?

They are not an exact match but are probably worth a gander (12bit A/D with 
some family members having up to 16 channels)

I'm playing around a bit with one of the family members now.

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