Microchip tuo dsPIC-ohjainperheeseen uuden ytimen, joka parantaa reaaliaikaisen ohjauksen tarkkuutta ja suoritusta. Uusi dsPIC33A-siru tuo kaksinkertaisen tarkkuuden liukulukulaskentaan. Tehokkaampi DSP-moottori nopeuttaa laskentaa aikakriittisissä sovelluksissa.

DsPIC-sarjan ohjaimia käytetään laajasti sovelluksissa, joissa tarvitaan signaaliprosessointia normaalien mikro-ohjaintoimintojen lisäksi. Tällaisia ovat esimerkiksi edistyneemmät moottorinohjaukset, digitaalinen tehonmuunnos aurinkopaneeleiden inverttereissä ja monet muut.

DsPIC-sarjan uusin on dsPIC33A, joka on rakennettu 32-bittisen CPU-arkkitehtuurin ympärille. Prosessoriydin operoi 200 MHz:n kellotaajuudella, mikä on kaksi kertaa sarjan aiempaa tehokkainta versiota nopeammin. Ydin sisältää DP-liukulukuyksikön (Double-Precision Floating-Point Unit). DsPIC33A-arkkitehtuuri tarjoaa korkean suorituskyvyn ja tarkan reaaliaikaisen ohjauksen yhdistettynä kattavaan kehitystyökaluekosysteemiin, joka virtaviivaistaa ja nopeuttaa suunnitteluprosessia.

DsPIC33A-ohjain ajaa koodia sarjan aiempia ohjaimia tehokkaammin ja pienemmällä viiveellä. Lyhyempi latenssi mahdollistaa nopeamman vasteajan ohimeneviin ja turvallisuuden kannalta kriittisiin tapahtumiin. DsPIC33A-perhe sisältää integroidut analogiset oheislaitteet, mukaan lukien 12-bittiset ADC:t, jotka pystyvät muuntamaan jopa 40 meganäytettä sekunnissa. CIP-oheislaitteet (Core Independent Peripherals) toimivat ilman CPY-ytimen resursseja, mikä parantaa ohjaimen tehokkuutta useiden tehtävien hallinnassa.

DsPIC33A-perheessä on laaja valikoima ohjaimia, jotka ovat saatavilla 28-64 nastan koteloissa pienimmällään 4 x 4 millimetrin versiona. Ensimmäisessä sirulla on 128 kilotavua flashia, mutta muistin määrää ja oheislaitevalikoimaa kasvatetaan tulevissa versioissa.

Lisätietoja täällä. Volyymeissä ohjainten hinnat lähtevät alle yhdestä dollarista.

https://www.microchip.com/en-us/products/microcontrollers-and-microprocessors/dspic-dscs/dspic33a

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