Gaurand Kavaiya is an engineering group manager, applications, with Microchip Technology Inc., Chandler, Ariz. He holds a BSEE from Gujarat University, India. Email address: Gaurang.Kavaiya@microchip.com
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November 15, 2007[Ideas For Design] Talk To Multiple Devices With One UART
The Universal Asynchronous Receive and Transmit (UART) interface is found on a variety of peripheral devices. Consider, for instance, a microcontrollerbased system with four such peripherals. Ideally, in low-cost embedded applications, you would like to connect multiple peripherals to a single UART. However, a lack of chip-select signals in UARTs complicates such a task. This is a common design problem, and there are a few conventional ways of...
