UART Serial Interface
Universal Asynchronous Receiver-Transmitter
115.2 kbps

Max Speed

15 meters

Max Distance

Point-to-Point

Topology

2

Max Nodes

Technical Specifications
Detailed technical information and protocol characteristics.
Physical Layer Single-ended
Wire Count 2-3
Power Delivery No
Communication Mode Asynchronous
Architecture Peer-to-Peer
Error Detection Parity/Stop Bits
Addressing Method None
Industry & Standards
Industry domain, standards body, and implementation details.
Industry Domain Embedded Systems
Primary Application Device Communication
Year Introduced 1960s
Standard Body Various
Implementation Cost Low
Complexity Level Low
Description
Detailed overview and key characteristics of the protocol.
An asynchronous serial communication protocol that transmits data one bit at a time without a clock signal. Uses start and stop bits to frame data and is commonly found in microcontrollers and serial ports.