Difference between revisions of "U23 2007/Inhalt Abend 2/Schieberegister"
< U23 2007 | Inhalt Abend 2
(→Unsere Ansteuerung) |
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==Unsere Ansteuerung== | ==Unsere Ansteuerung== | ||
− | A0 - CP | + | A0 - CP |
− | A1 - Data | + | A1 - Data |
− | A2 - Strobe | + | A2 - Strobe |
− | A3 - OE | + | A3 - OE |
− | |||
==Programm== | ==Programm== |
Revision as of 21:50, 14 May 2007
Datenblatt
Unsere Ansteuerung
A0 - CP A1 - Data A2 - Strobe A3 - OE
Programm
Schieberegister - Ansteuerung schiebe 1 0 rein und Ausgabe aktiv.
#include <avr/io.h> #define CP 0 #define DATA 1 #define STROBE 2 #define OE 3 int main(void) { DDRA = 0xFF; PORTA = 0x00; PORTA |= (1<<STROBE)|(1<<OE); PORTA |= (1<<DATA); PORTA |= (1<<CP); PORTA &= ~(1<<CP); PORTA &= ~(1<<DATA); PORTA |= (1<<CP); PORTA &= ~(1<<CP); return 0; }
Schieberegister - Ansteuerung
setzte 1 rein und Ausgabe an!
int main(void) { DDRA = 0xFF; PORTA = 0x0E; PORTA = 0x0F; PORTA = 0x0E; return 0; }