Sarjaliikenteessä

Sarjaliikenteessä, often translated as "serial communication" or "serial data transmission," refers to the process of transmitting data one bit at a time in a single sequence. This is in contrast to parallel communication, where multiple bits are transmitted simultaneously over separate lines. In serial communication, each bit is sent in turn over a single communication line or channel.

The most common serial communication standards include Universal Asynchronous Receiver/Transmitter (UART), Serial Peripheral Interface (SPI), and Inter-Integrated Circuit (I2C). These protocols define the timing, voltage levels, and data framing necessary for successful data exchange between devices. UART is widely used for simple, point-to-point communication, often found in modems and older computer peripherals. SPI is a synchronous serial protocol suitable for short-distance communication, frequently used for connecting microcontrollers to sensors and memory chips. I2C is a two-wire serial bus protocol that allows multiple devices to communicate with each other on the same bus, commonly employed in embedded systems.

Serial communication is advantageous in situations where the distance between devices is long, as it requires fewer wires and is less susceptible to timing skew over distance compared to parallel communication. It is also generally more cost-effective due to the reduced number of conductors. While slower than parallel transmission for very short distances, the efficiency and simplicity of serial communication make it a ubiquitous method for data transfer in modern electronics, from embedded systems to large-scale networking.