Architects' Tech Alliance
Nov 6, 2019 · Fundamentals
Understanding UART, RS-232, RS-422, and RS-485 Serial Communication Standards
This article explains the fundamentals of UART as a universal asynchronous receiver/transmitter, compares the electrical and protocol characteristics of RS-232, RS-422, and RS-485 standards, and discusses their performance, wiring, and application considerations in embedded and industrial systems.
Electrical StandardsHardware InterfaceRS-232
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