LCP vs Stellaris micro
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From: Spehro Pefhany on 14 Apr 2010 13:21 On Wed, 14 Apr 2010 07:45:27 -0700 (PDT), Leon <leon355(a)btinternet.com> wrote: >On 14 Apr, 08:38, "MK" <m...(a)nospam.please> wrote: >> "Leon" <leon...(a)btinternet.com> wrote in message >> >> news:694090e1-aa62-478e-adc4-b88640c70ddc(a)k33g2000yqc.googlegroups.com... >> On 13 Apr, 23:42, "msr" <mario.ribas(a)n_o_s_p_a_m.gmail.com> wrote: >> >> >> >> >> Hello, >> >> >> Im just "researching" and I would like to know your opinion. >> >> >> Which microcontroller do you prefer? Stellaris from TI or LCP from NXP? >> >> Other? Why? >> >> >> I didn't use any. Altougth TI seems better for me because: more >> >> evaluation >> >> kits, TI licensed ARM technology longer ago than NXP (which may not mean >> >> nothing once Luminary Micro was bought by TI), TI seems to have better >> >> tools and support in general. >> >> >> However it seems that LPC microcontrollers are more... famous? >> >> >> What do you think? >> >> >> --------------------------------------- >> >> Posted throughhttp://www.EmbeddedRelated.com >> >The LPC range is much larger - ARM7, Cortex-M0, -M3, etc. Tools are >> >the same, With ARM chips one just uses the chip with the features one >> >needs, it doesn't really matter who makes it. >> >Leon >> >> I can't agree with Leon that it doesn't matter who makes the chip - apart >> from the obvious concerns like availability, the different manufacturers >> offer very different peripherals. They all offer 'quick start' libraries to >> make these easier to use but the performance hit from using them may be very >> high. I've just spent several days on a project getting rid of all the calls >> to ST's library with a significant improvement in performance and a massive >> reduction in code size. >> When you swap chips you need to learn all the peripherals for the new one >> and this may be an issue. >> Currently I think ST have the broadest range of ARM Cortex parts but you >> need to choose according to your own application and plans. >> >> Michael Kellett > >That's why I suggested choosing the chip with the features one needs - >that includes the peripherals, of course. > >Leon If the one you chose (based only on features) disappears tomorrow, then you may have a big job to get the product to work with another part, particularly if it is from a different mfr.
From: linnix on 14 Apr 2010 16:56
On Apr 13, 3:42 pm, "msr" <mario.ribas(a)n_o_s_p_a_m.gmail.com> wrote: > Hello, > > Im just "researching" and I would like to know your opinion. > > Which microcontroller do you prefer? Stellaris from TI or LCP from NXP? > Other? Why? > > I didn't use any. Altougth TI seems better for me because: more evaluation > kits, TI licensed ARM technology longer ago than NXP (which may not mean > nothing once Luminary Micro was bought by TI), TI seems to have better > tools and support in general. > > However it seems that LPC microcontrollers are more... famous? > > What do you think? The 32 pad LPC111X is the smallest (size) ARM around. We might use it to implement a 1 of 18 decoder. Smaller and cheaper than CPLD. |