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k pic24/dspic/pic32<br>
dovolim si pousmiat sa nad zaporom ze pic vyraba len microchip<br>
v reale je myslim microchip jediny kto nemal vyraznejsie problemy s
dodavkou mcu pocas krizy<br>
dlhodoba podpora obvodov je u nich samozrejmostou, v podstate stale
drzia obvody ktore vyrabali v roku 1995 a su bezne dostupne<br>
da sa povedat ze microchip povazujem za produktovo najstabilnejsieho
dodavatela MCU aky na trhu je<br>
<br>
z rady 16 a 18 by som asi s microchipom dnes tiez nezacinal, je to 8
bit a v podstate dnes uz modernym mcu konkurovat nemozu<br>
rada dspic je celkom sikovna na pracu a v podstate sa programuje
"lahko"<br>
nepochopil som ale ze ste nenasiel ziadne vyvojove dosky, napriklad
je k dispozicii original pic32 starter kit DM320001 cena do 30e s
dph<br>
nevie to vela ale zas za tu cenu...<br>
<br>
<div>
<li style="outline-width: 0px; font-weight: inherit; font-style:
inherit; font-size: 11px; font-family: inherit; vertical-align:
baseline; padding: 0px; margin: 0px;"><span
style="outline-width: 0px; font-weight: inherit; font-style:
inherit; font-size: 11px; font-family: inherit;
vertical-align: baseline; color: rgb(0, 0, 0); padding: 0px;
margin: 0px;">Free MPLAB IDE v8.x or higher</span></li>
<li style="outline-width: 0px; font-weight: inherit; font-style:
inherit; font-size: 11px; font-family: inherit; vertical-align:
baseline; padding: 0px; margin: 0px;"><span
style="outline-width: 0px; font-weight: inherit; font-style:
inherit; font-size: 11px; font-family: inherit;
vertical-align: baseline; color: rgb(0, 0, 0); padding: 0px;
margin: 0px;">Free MPLAB C32 C Compiler that compiles upto 64
KB of code with full optimization, time limits</span></li>
<li style="outline-width: 0px; font-weight: inherit; font-style:
inherit; font-size: 11px; font-family: inherit; vertical-align:
baseline; padding: 0px; margin: 0px;"><span
style="outline-width: 0px; font-weight: inherit; font-style:
inherit; font-size: 11px; font-family: inherit;
vertical-align: baseline; color: rgb(0, 0, 0); padding: 0px;
margin: 0px;">Example source code for projects and all
peripherals</span></li>
<li style="outline-width: 0px; font-weight: inherit; font-style:
inherit; font-size: 11px; font-family: inherit; vertical-align:
baseline; padding: 0px; margin: 0px;"><span
style="outline-width: 0px; font-weight: inherit; font-style:
inherit; font-size: 11px; font-family: inherit;
vertical-align: baseline; color: rgb(0, 0, 0); padding: 0px;
margin: 0px;">Integrated programmer - all you need is the
included USB Cable</span></li>
<li style="outline-width: 0px; font-weight: inherit; font-style:
inherit; font-size: 11px; font-family: inherit; vertical-align:
baseline; padding: 0px; margin: 0px;"><span
style="outline-width: 0px; font-weight: inherit; font-style:
inherit; font-size: 11px; font-family: inherit;
vertical-align: baseline; color: rgb(0, 0, 0); padding: 0px;
margin: 0px;">Program and verify a full 512k image in under 9
seconds</span></li>
<li style="outline-width: 0px; font-weight: inherit; font-style:
inherit; font-size: 11px; font-family: inherit; vertical-align:
baseline; padding: 0px; margin: 0px;"><span
style="outline-width: 0px; font-weight: inherit; font-style:
inherit; font-size: 11px; font-family: inherit;
vertical-align: baseline; color: rgb(0, 0, 0); padding: 0px;
margin: 0px;">Integrated debugger - all you need is the
included USB cable</span></li>
<li style="outline-width: 0px; font-weight: inherit; font-style:
inherit; font-size: 11px; font-family: inherit; vertical-align:
baseline; padding: 0px; margin: 0px;"><span
style="outline-width: 0px; font-weight: inherit; font-style:
inherit; font-size: 11px; font-family: inherit;
vertical-align: baseline; color: rgb(0, 0, 0); padding: 0px;
margin: 0px;">Full source based debugging in MPLAB IDE</span></li>
<li style="outline-width: 0px; font-weight: inherit; font-style:
inherit; font-size: 11px; font-family: inherit; vertical-align:
baseline; padding: 0px; margin: 0px;"><span
style="outline-width: 0px; font-weight: inherit; font-style:
inherit; font-size: 11px; font-family: inherit;
vertical-align: baseline; color: rgb(0, 0, 0); padding: 0px;
margin: 0px;">PIC32 running at 72 MHz with 512K Flash, 32K
RAM, 4 ch. DMA</span></li>
<li style="outline-width: 0px; font-weight: inherit; font-style:
inherit; font-size: 11px; font-family: inherit; vertical-align:
baseline; padding: 0px; margin: 0px;"><span
style="outline-width: 0px; font-weight: inherit; font-style:
inherit; font-size: 11px; font-family: inherit;
vertical-align: baseline; color: rgb(0, 0, 0); padding: 0px;
margin: 0px;">USB powered board</span></li>
<li style="outline-width: 0px; font-weight: inherit; font-style:
inherit; font-size: 11px; font-family: inherit; vertical-align:
baseline; padding: 0px; margin: 0px;"><span
style="outline-width: 0px; font-weight: inherit; font-style:
inherit; font-size: 11px; font-family: inherit;
vertical-align: baseline; color: rgb(0, 0, 0); padding: 0px;
margin: 0px;">3 user switches and 3 LEDs</span></li>
<li style="outline-width: 0px; font-weight: inherit; font-style:
inherit; font-size: 11px; font-family: inherit; vertical-align:
baseline; padding: 0px; margin: 0px;"><span
style="outline-width: 0px; font-weight: inherit; font-style:
inherit; font-size: 11px; font-family: inherit;
vertical-align: baseline; color: rgb(0, 0, 0); padding: 0px;
margin: 0px;">Expansion connector enables addition of <a
style="color: rgb(93, 113, 126); text-decoration: underline;
outline-width: 0px; font-weight: inherit; font-style:
inherit; font-size: 11px; font-family: inherit;
vertical-align: baseline; padding: 0px; margin: 0px;"
href="http://www.rlx.sk/idcplg?IdcService=SS_GET_PAGE&nodeId=2615&dDocName=en535444">Microchip
expansion boards</a> or create your own</span></li>
<li style="outline-width: 0px; font-weight: inherit; font-style:
inherit; font-size: 11px; font-family: inherit; vertical-align:
baseline; padding: 0px; margin: 0px;"><span
style="outline-width: 0px; font-weight: inherit; font-style:
inherit; font-size: 11px; font-family: inherit;
vertical-align: baseline; color: rgb(0, 0, 0); padding: 0px;
margin: 0px;">Majority of MCU signals are present on the
connector [Hirose: FX10A-120P/12-SV1(71)</span></li>
</div>
<br>
k ARM<br>
nepochybne popularna architektura hlavne smerom na vychod <br>
problem je ze je kusok drahsia pri porovnatelnych vlastnostiach ako
PIC32 ale zas rodina STM32 je tak siroka ze je problem si tam nieco
nevybrat.<br>
vykon porovnat neviem<br>
programovadlo s Keilom existuje klon Ulink2/ Ulink Me dostupne na
ebay cena nijak zavratna<br>
debug je zabudovany v keile spolupracuje s ulinkom<br>
arm nepovazujte dalej za nejaky standard<br>
to ze to ma mcu ine jadro vas vo vyssom programovacom jazyku
zaujimat nemusi, co vas ale zaujima je obsluha periferii a tie ma
kazdy vyrobca ine <br>
poznatky z stm32 na arm11 isto nepouzijete pominiem ze to ma MMU a
dalsie vychytavky je to ine jadro<br>
stm32 je plne MCU ale 32 bit, dokonca nejaky hybridny harward tusim<br>
dostupnost stm32 je dobra vo farneli<br>
maju vselico<br>
<br>
<br>
takze zaver... vyberte si co chcete comu najdete pre vas vyhodnu
podporu, ono je to prast jak uhod<br>
vyhoda pic32 je pomer cena/(ram-flash) <br>
vyhoda stm32 je siroka ponuka rodiny<br>
<br>
PA<br>
<br>
<br>
On 27. 11. 2010 13:01, Draček Fráček wrote:
<blockquote
cite="mid:AANLkTi=F2WqFvw3gRV71g7BxL2R9VLMYfPA2oRG=v0GY@mail.gmail.com"
type="cite">
<pre wrap="">Sice jsem se jiz na neco podobneho ptal, ale to slo o DSP, tak snad si
mohu zeptat jeste.
Otazka je jake MCU pro aplikace kde nestaci 8bity x52?
Koukal jsem po PIC rada 24 a 32 respektive nejake ARMy?
Pro PIC hovori
- vseobecna dostupnost, v TME jich nabizi x stanek, vcetne treba
24F04KA200 za 35Kc
- PICKit-3 jde sehnat za nejakych 30$
- malo kdo ma tak silnou podporu od vyrobce a tak rozsahlou skupinu
"amaterskych" uzivatelu jako PIC
Proti
- vyrabi jen PIC,
- z rad 16,18 mam nejak zafixovano, ze PIC rozhodne ne
- na ebay jsem nenasel zadne vyvojove desky z cenou 20-30$ v radach 24,32
ARM
Pro
- standard u ktereho vyuziji ziskane poznatky i u procesoru ARM11 >
- na ebay lze i spostovnym koupit dev.board s STM32F103VET6 ARM Cortex-M3
- mohl bych pouzit KEil ARM a tim zname porstredi uVision
- nevim jak je to s programatorem a debudegem
Proti
- tak nejak mam zafixovano, ze jadro ARM neni uplne MCU
- horsi dostupnost
Otazka, pousteli byste se dnes do PIC, ARM nebo uplne neceho jineho?
Martin
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</blockquote>
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