Find help, specifications and source code for the LPC900. The LPC900 challenges Microchip and AVR based on the worlds most popular 8-bit architecture the 80C51. With a 2-clock core the LPC900 series is a high performance, very flexible and low cost 8-bit microcontroller family. Designers using or interested in these devices are encouraged to share their know-how and ask questions.
LPC900 with ADC? - lpc900_fan - Jul 15 14:12:00 2004
Hi,
so far the two comparators were the only analog features on the
LPC900...are there new parts out there now with a real ADC?
Thanks,
Alex

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Re: LPC900 with ADC? - lpc900 - Jul 16 18:09:00 2004
--- In lpc900_users@lpc9..., "lpc900_fan" <lpc900_fan@y...> wrote:
> Hi,
> so far the two comparators were the only analog features on the
> LPC900...are there new parts out there now with a real ADC?
> Thanks,
> Alex
Hi Alex,
there have been several LPC900 derivatives introduced to the market
with ADC. The LPC935 (which has actually two 8-bit ADCs) and the
LPC915/916/917. According to a recent Philips seminar, there will be a
10-bit version out in Q4. The nice thing about these ADCs is that they
are very fast. More than 200k samples/sec is not bad for this little
micro. If you look at the digital part of the ADC, there are multiple
trigger options, pin-transition, timer based or just by software.
Probably the best part of this ADC is the availability of a result
register for each channel and a scan-mode. This enables us to run the
ADC the whole time without interrupts and just read the corresponding
result register if we need the analog value. Pretty neat!!
Cheers, Bob

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