Hi guys today we are going to see how to transfer data using UART and how to use UART’s SFR (8051 UART Tutorial). Before that you should know about the basic Serial Communication. Oct 03, 2014 · UART stands for Universal Asynchronous Receiver / Transmitter. It is a very popular serial communication interface which provides Full Duplex communication between two devices. UART uses two data lines for sending (TX) and receiving (RX) data. Ground/Reference of both devices should be made common.
A universal asynchronous receiver-transmitter (UART / ˈ juː ɑːr t /) is a computer hardware device for asynchronous serial communication in which the data format and transmission speeds are configurable. The electric signaling levels and methods are handled by a driver circuit external to the UART.
Programming the UART. In the C programming language the I/O space address can be accessed using the functions inb() an outb(). The function declaration of inb() and outb() is given below. The function inb() reads a byte from the address specified.The function outb() writes the pattern to the address specified. Click the serial monitor button in the toolbar and select the same baud rate used in the call to begin(). Serial communication on pins TX/RX uses TTL logic levels (5V or 3.3V depending on the board). Don’t connect these pins directly to an RS232 serial port; they operate at +/- 12V and can damage your Arduino board.
The MAX14830 is an advanced quad universal asynchronous receiver-transmitter (UART), each UART having 128 words of receive and transmit first-in/first-out (FIFO) and a high-speed serial peripheral interface (SPI) or I 2 C controller interface. A PLL and fractional baud-rate generators allow a high degree of flexibility in baud-rate programming ...