Warning: Use of undefined constant admin - assumed 'admin' (this will throw an Error in a future version of PHP) in /disk/site/hcc.nl/interessegroep/forth/www/w/cookbook/userauth2/userauth2-permchecklib.php on line 927 Warning: Use of undefined constant admin - assumed 'admin' (this will throw an Error in a future version of PHP) in /disk/site/hcc.nl/interessegroep/forth/www/w/cookbook/userauth2/userauth2-permchecklib.php on line 927 Deprecated: Function create_function() is deprecated in /disk/site/hcc.nl/interessegroep/forth/www/w/pmwiki.php on line 470 Warning: Use of undefined constant admin - assumed 'admin' (this will throw an Error in a future version of PHP) in /disk/site/hcc.nl/interessegroep/forth/www/w/cookbook/userauth2/userauth2-permchecklib.php on line 927 Deprecated: Function create_function() is deprecated in /disk/site/hcc.nl/interessegroep/forth/www/w/pmwiki.php on line 470 Deprecated: Function create_function() is deprecated in /disk/site/hcc.nl/interessegroep/forth/www/w/pmwiki.php on line 470 Warning: Cannot modify header information - headers already sent by (output started at /disk/site/hcc.nl/interessegroep/forth/www/w/cookbook/userauth2/userauth2-permchecklib.php:927) in /disk/site/hcc.nl/interessegroep/forth/www/w/pmwiki.php on line 1257 HCC!Forth | ByteForth / 8051Hard
Warning: Use of undefined constant admin - assumed 'admin' (this will throw an Error in a future version of PHP) in /disk/site/hcc.nl/interessegroep/forth/www/w/cookbook/userauth2/userauth2-permchecklib.php on line 927 Deprecated: Function create_function() is deprecated in /disk/site/hcc.nl/interessegroep/forth/www/w/pmwiki.php on line 470
HCC!Forth Warning: Use of undefined constant admin - assumed 'admin' (this will throw an Error in a future version of PHP) in /disk/site/hcc.nl/interessegroep/forth/www/w/cookbook/userauth2/userauth2-permchecklib.php on line 927

HCC!forth

ByteForth


De 8051 microcontroller

Willem Ouwerkerk

Er zijn verschillende uitvoeringen verkrijgbaar:

De laatste chip is op 5 Volt 'In System' ( ISP ) te programmeren.

Eigenschappen van alle chips:

  • 8051 processor kern.
  • 20 tot 44 pens-uitvoering (DIL, PLCC en SMD)
  • Cmos versie, spanning 2,7 - 6V (Klok 0 - 33MHz)
  • 128 of 256 bytes RAM
  • 2 of 3 timers
  • UART (RS232 hardware)
  • 2 of 4 I/O poorten
  • Op-amp
  • Laag stroomverbruik: 3 mA bij 4 V, 6 MHz.
  • Gegarandeerd 1000 maal herprogrammeerbaar
  • Leds kunnen direct aangestuurd worden (10mA)
  • Laag vermogen modes (idle of power-down)
  • Minimaal vijf interrupt-bronnen (twee niveaus)
  • Lage prijs: ongeveer € 2,- per stuk bij Reichelt

De AT89C2051 Link naar Atmel 8051