Bluetooth technology, as a benchmark for short-range wireless communication, relies on a core module known as Baseband. This “digital brain” hidden at the bottom of the protocol stack is responsible for converting high-level data into radio signals that can traverse the 2.4GHz frequency band, while also handling critical tasks such as signal reception, error correction, … Read more
This article is reproduced fromthe blog of CSDN forum author G2 Breakthrough 259,and is for learning and research purposes only. At the sender end of the DSI link, parallel data, signal events, and commands are converted into packets at the protocol layer, organized according to the packet structure recorded in this section. The protocol layer … Read more
For beginners, electromagnetic interference (EMI) in microcontroller circuit design may not be a primary concern, but for an electronic engineer, the implications are significant. It not only affects the microcontroller’s ability and accuracy in control but also impacts the company’s competitiveness in the industry. We primarily address EMI design from both hardware and software perspectives. … Read more
Background and Introduction In the wave of digitalization, data reliability remains an eternal challenge. Reed-Solomon (RS) codes, as a classic forward error correction (FEC) technology, have become a cornerstone of storage and transmission systems since their introduction by Irving Reed and Gustave Solomon in 1960. They can recover lost data from redundancy and are widely … Read more
Follow+Star PublicAccount, don’t miss exciting content Source | nhczp Editor | strongerHuang Everyone should be using USB drives, and the storage chip in the USB drive is NandFlash. The 64G USB drive you bought actually does not have 64G, one reason is the existence of bad blocks. Due to manufacturing processes and other reasons, it … Read more
01 Overview of SEM IP Functionality The SEM (Soft Error Mitigation) technology achieves observable soft error simulation through targeted ECC parity bit injection. This mechanism precisely selects parity bits within the Configuration RAM Frame (CRAM Frame) for controllable flipping, ensuring that injected errors are located in the redundant parity area rather than in functional logic … Read more
Introduction: This article summarizes the plan to add ECC support to the bus system of echo_soc. 1. Basic Principles of ECC 1.1 What is ECC ECC, or Error Correction Code, is a key technology widely used in digital circuit systems, playing a crucial role in data storage or transmission. Its core function is to accurately … Read more
Second-OrderRC Equivalent Circuit Model The block diagram of the second-order RC equivalent circuit model is shown below. Where, Uoc represents the ideal voltage source, which has a nonlinear relationship with SOC; R0 represents the internal resistance, R1 R2 are the polarization resistances, C1 C2 are the polarization capacitances, Ut represents the terminal voltage of the … Read more
Reliability Design of FAT32 File System Based on SD Card Authors: Lu Junhui, Liu Qi, Shi Lijuan (Jianghan University, School of Intelligent Manufacturing, Wuhan, Hubei 430056) Abstract This paper analyzes the issues of the FAT32 file system in embedded system applications, reserving FDT space to ensure that FDT and DATA are stored sequentially, preventing interleaving … Read more
To fully leverage the potential of quantum computing, error correction must be completed before errors occur. With enhanced connectivity between quantum bits, the redundancy and error rate requirements for achieving fault-tolerant quantum computing can be relatively reduced. Even so, the required redundancy will quickly push the number of quantum bits into the millions. Considering the … Read more