April 2023
Intermediate to advanced
208 pages
3h 46m
German
Content preview from Raspberry Pi Pico und Pico W Schnelleinstieg
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Kapitel 7Schnittstellen
Über eine Schnittstelle kann ein Microcontroller-Board wie der Pico mit der Umwelt und den angeschlossenen Komponenten kommunizieren. Beim Kommunizieren müssen beide Teilnehmer die gleiche Sprache sprechen. Dies wird mittels des Protokolls geregelt.
Der Pico bietet standardmäßig mehrere Kommunikationsschnittstellen. In diesem Kapitel werden die serielle Schnittstelle (UART) und der I2C-Bus vorgestellt.
7.1 UART
Die serielle Schnittstelle oder UART (Universal Asynchronous Receiver-Transmitter) ermöglicht eine asynchrone, serielle Kommunikation mit konfigurierbarem Datenformat und Übertragungsgeschwindigkeit.
Bei Einsatz des UART müssen die Signallevel beachtet werden. Die auch von früheren PCs bekannte serielle Schnittstelle ...
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