Cytron UC00A Instrukcja Użytkownika Pobierz pdf (Strona 3)

ROBOT . HEAD to TOE

Product User’s Manual – UC00A

1. INTRODUCTION

Serial communication is most popular interface between device and this applies to

microcontroller and computer. UART is one of those serial interfaces. Classically, most serial

interface from microcontroller to computer is done through serial port (DB9). However, since

computer serial port used RS232 protocol and microcontroller used TTL UART, a level

shifter is needed between these interfaces. Recently, serial port of computer have been phase

out, it have been replaced with USB. Of course most developer chooses USB to serial

converter to obtain virtual serial port. The level shifter is still necessary for UART interface.

Thus, Cytron decided to develop a USB to UART converter which offers USB plug and play,

direct interface with microcontroller and it provide low current 5V supply from USB port.

Traditional Method

(a) PC (Serial Port)

(b) PC (USB)

Using UC00A Method

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Cytron UC00A Instrukcja Użytkownika Strona 3