IIC

Similarities and Differences Between IIC, SPI, and UART Communication

by
Similarities and Differences Between IIC, SPI, and UART Communication

The three low-speed communication protocols IIC, SPI, and UART are widely used in our actual designs. Common communications between various ICs and between PCBs and external serial ports often utilize these protocols. Today, we will specifically share the similarities and differences among these three low-speed communication methods. Communication Name SPI IIC UART Synchronization/Asynchronous Communication Synchronization … Read more

Embedded Communication Protocol: How Many IIC Interview Questions Can You Answer?

by
Embedded Communication Protocol: How Many IIC Interview Questions Can You Answer?

1. What is the Validity of IIC Protocol Data? (1) Data Transmission Format Start and Stop Conditions: When the SCL line is high, a transition from high to low on the SDA line indicates a start condition; when SCL is high, a transition from low to high on the SDA line indicates a stop condition. … Read more

Parade/Cypress Touch Chip Programming Test Instructions

by
Parade/Cypress Touch Chip Programming Test Instructions

1:Tool Preparation, Test Board, Dupont Wires, and Adapter Board Label 1 is the adjustable sliding resistor to adjust the VDD and VDDIO voltage Label 2 is the interface connected to TP 2 Interface Definition: When wiring, follow the above definition and leave VDDIO unconnected. Note: 1): For TP using the IIC interface, there are two … Read more

IIC vs SPI: Which Communication Protocol Is Stronger?

by
IIC vs SPI: Which Communication Protocol Is Stronger?

In the field of electronic engineering, IIC and SPI are two common wireless communication protocols used in various communication devices, with a wide range of application scenarios. However, many beginners in electronics are unclear about the differences between these two protocols, so this article will elaborate on both protocols. 1. IIC IIC, short for Internet … Read more

Differences and Connections Between SPI, UART, and I2C Buses

by
Differences and Connections Between SPI, UART, and I2C Buses

Welcome FPGA engineers to join the official WeChat technical group. Clickthe blue textto follow us at FPGA Home – the best and largest pure FPGA engineer community in China SPI Bus SPI (Serial Peripheral Interface) is a high-speed, full-duplex, synchronous, serial communication bus that uses 3 to 4 lines and operates in a master-slave mode, … Read more

Comprehensive Overview of 5 Common Embedded Protocols (UART, RS232, RS485, IIC, SPI)

by
Comprehensive Overview of 5 Common Embedded Protocols (UART, RS232, RS485, IIC, SPI)

Many students learning embedded systems often feel confused by various protocols and can’t distinguish their functions. Today, I will clarify the five commonly used protocols in embedded systems, packed with useful information. Without further ado, let’s get started! 01 UART Communication Protocol 1. Principle The data packet in serial communication is transmitted from the sending … Read more

IIC Communication Interface Protocol – Layered Architecture Design Simulation

by
IIC Communication Interface Protocol - Layered Architecture Design Simulation

Regarding the idea of layered design, a detailed design process was explained in a previous article titled “Embedded Hardware Communication Interface Protocol-SPI (Part 2) Layered Architecture Design Simulation Interface” when discussing SPI interface design, so I won’t elaborate further here. Now, using the BSP layer design approach of SPI as a reference, we will use … Read more

Common Buses: IIC, IIS, SPI, UART, JTAG, CAN, SDIO, GPIO

by
Common Buses: IIC, IIS, SPI, UART, JTAG, CAN, SDIO, GPIO

IIC IIC (Inter-Integrated Circuit) bus is a two-wire serial bus developed by PHILIPS for connecting microcontrollers and their peripheral devices. The I2C bus transmits information between the bus and devices using two lines (SDA and SCL), enabling serial communication between the microcontroller and external devices or bidirectional data transfer between the master and slave devices. … Read more