When the RS485 bus is idle, the oscilloscope measures a differential voltage of ±3.7V between the AB lines, with a periodic waveform of 50 Hz. This does not affect the normal communication of the devi...
This is a high-power PW device in the L bandAs shown in the pictureThe design requirements of the filter are also high powerThe picture belowScrewThere are traces of burns in the picture...
Today I tested the GNSS function on Beetle ESP32-C3. The GNSS is VK2828, Beidou + GPS dual-mode, and the positioning speed is relatively fast.The power supply of GNSS is directly from 3.3V on Beetle E...
PrefaceThis application note mainly describes a case of implementing a simple HDMI CEC transceiver function based on AT32 GPIO and timer peripherals.Consumer electronic control (CEC) isa function of t...
Develop a DSP board, containing two TMS320C6455 chips and a Xilinx FPGA XC5VLX85-FF668. The peripherals include(1) IO expansion chip MAX6957, 5V, connected to FPGA through 74LVC16T245; (2) UART, RS-42...
I've been learning about the Stm32F4xx development board recently, and I've been very troubled when I started building the firmware library. After building the firmware library according to the previ...[Details]
The ultra-low power consumption, highly integrated analog front-end chip MAX5865 is designed for portable communication devices, such as mobile phones, PDAs, WLANs, and 3G wireless terminals. The chi...[Details]
The computer network structured cabling system (SCS) is a module system based on star topology structure launched by experts from Bell Labs in the United States after years of research. It is also ...[Details]
1. Experimental Purpose 1) Understand the knowledge related to STM32 external interrupts; 2) Use STM32 external interrupt to turn on and off two LEDs; 2. Introduction to STM32 external interrupts...[Details]
Experiment name: Static digital tube experiment wiring instructions: Experimental phenomenon: After downloading the program, the leftmost digital tube of the "nixie tube module" displays the number 0...[Details]
#include "STC89C51RC_RD_PLUS.h"
#define SENDBUFSIZE 0x0f
#define BR_19K2 0xfd
#define RMAX 0x10 //Must be an integer power of 2. Seen on 21ic, seems to be the idea of "Senior Liu"
unsigned char ...[Details]
Yuan Jiahai, Zhang Haonan
The coming year of 2020 is not only the closing year of the 13th Five-Year Plan, but also the planning year of the 14th Five-Year Plan. Most of the development goals ...[Details]
Due to work reasons, I need to use the STM8L101F3P6 microcontroller to simulate serial communication with an IO port at a baud rate of 2400bps. My senior colleague has already written the program, an...[Details]
The "war" between Samsung and TSMC over process technology has spread to automotive chips. Samsung and TSMC, two silicon chip foundries, are competing for customers in many fields that require chip...[Details]
I have been engaged in the development of single-chip microcomputer application systems for many years and have used many types of PIC single-chip microcomputers. I deeply feel that PIC single-chip m...[Details]
According to a report by foreign media Tom's Hardware on August 10, GlobalFoundries announced this week that it has successfully produced a high-performance 3D Arm chip using its 12nm FinFET process....[Details]
On March 24 this year, 94-year-old Gordon Moore passed away at his home in Hawaii - this is just like a metaphor of the times: Is "Moore's Law" also leaving us with Mr. Moore? There is no doubt tha...[Details]
As the complexity of automotive systems increases, so does the amount of data that needs to be processed and distributed. New payment methods, such as parking fees or road tolls, require a secure flo...[Details]
The principle of spectrum analyzer The analysis principle of the spectrum analyzer is to absorb the characteristic spectrum of the element to be measured radiated by the light source through the ...[Details]
Based on more than 100 successful HBM design cases, we ensure the success of chip tape-out in the first time
Delivers more than twice the throughput of HBM3 at low latency to meet...[Details]