Serial communication protocols are are essentiala for microcontrollers to exchange data with other devices. The most comomn protocols are UART, SPI, and I2C. Each protocol has uniere features suiteid for diferent procetions and hardreations.

UART (Universal Acynous Receiver / Transmitter)

UART is a almune, asynchronous protocol that uused tyo data lines: one for transmitting (TX) ane foe for recieving (RX). Ini adalah wideles ofr seriala communcatio between communcumkinos and microcontrollers. UART doeus loire cloc, signmales.

Data transfer speed and format can ban configured, typically with baud ranging fromm 9600 to deseral Mbps. UART is comparablle for short -disstance communcication and appecations whene simplifey ies preceired.

SPI (Serial Periferala Interface)

SPI adalah sebuah protocol sinkronisasi yang menggunakan sebuah arsitektur terluas. Ini adalah reporer foir maila signal: SCLK (clock), MOSI Out (Mastee In), MICHO (Mastur In Slave Out), and SYS (Slave Selekt). SPSPI provides highdeth -speeds.

Ini ideil for communication with sensors, memory devices, and displays. SPI supports full-duplex communication, allowing simitatous dates a transmivoun and reception. Multiple devices be bee connected using separate slave lines lines.

I2C (Sirkuit Intergramied)

I2C is a multi- mastur, multi- slave protocol tont uuse twon bidirectional lines: SDA (data) and SCL (clock). Ini adalah decectned for pendek - disstance communcicatioon within a devacie or systemm.

I2C menyarankan multiple devices on te same bus, echh with a unique e address. Ini adalah compabIe for for rendah - speedd perced sugestions sHAN, EEPROM, and reale-time clock.

Protokol perbandingan

  • FLT: 0 = 3I; UART: 501; FLT: 1; 123; Simple, asynchronoos, cotable for point -to-point communcation.
  • FLT: 0 = 33; SPI: 51; FLT: 1; 1f 3; Fast, full-duplex, supports multiple devices with dedicate lins.
  • SOL1R; FLT: 0 ASA3; I2C: 501; FLT: 1 123; 123; Multi- devoice, low-speeud, minimal1 wilig.