68491-414LF

For 80,000 ZTE (000063.SZ) employees and more Chinese ICT (information and communication technology) industry practitioners, the news from across the ocean on the evening of April 16 kept t...[Details]

"Originally, there are many people who can design very good chips , but the market does not give domestic chips the opportunity to iterate, and domestic companies cannot give engine...[Details]

On April 24, Sungrow released its annual financial report. The report shows that in 2017, Sungrow's global shipments reached 16.5GW, of which domestic shipments reached 13.2GW, a year-on-year incre...[Details]

1. Problem When developing STM32 with IAR, I found that I could not print floating point numbers by redirecting printf to the serial port. The code is as follows:  The output is as follows:  It can...[Details]

1. Test conditions Hardware: STM32L432KC  Main frequency: 80MHz  Compiler: IAR 8.20.1  Compiler options: High Speed ​​no size constraints  CRC generator polynomial: 0x782f 2. Test Method The softwar...[Details]

In the actual project development process, we often need to get the running time of a section of code. The usual method is to use an oscilloscope to measure it. This blog post will use SysTick to acc...[Details]

1. Development Environment       1. Applicable chips: All STM32F4 chips       2. Firmware library: STM32F4xx_DSP_StdPeriph_Lib_V1.8.0       3，IDE：MDK517 2. Driver source code       Delay.h...[Details]

UART has three operation modes: polling mode, interrupt mode and DMA mode. Chip: STM32F103C8T6 Application Pin: Output: PA0, PA1 USART1 Configuration interface Add interrupt configuration Add DMA...[Details]

background After the hardware engineer completed the PCB and schematic design, the routine was modified according to the tutorial of Zhengdian Atom to verify the correctness of the hardware.  STM32F...[Details]

Timing and protocol are two key points in digital system debugging, and they are also where logic analyzers can play their most valuable role. How can we use a logic analyzer to quickly complete wiri...[Details]

The application of millimeter wave technology in mobile communications also involves a series of technical problems, including the large propagation loss of millimeter waves and the susceptibility ...[Details]

This program mainly uses the comparison output function of the timer to generate PWM waves to control the LED. The comparison output of timer A corresponds to P2.3 P2.4. Therefore, a matching working...[Details]

What is SYSTICK: This is a 24-bit system tick timer, SysTick, with automatic reload and overflow interrupt functions. All microcontrollers based on the Cortex_M3 processor can obtain a certain time ...[Details]

    1. Brief description     A summary of "How to build uClinux kernel transplantation on ARMSYS development board with S3C44B0X as core", including the analysis of Bootloader function and the key co...[Details]

    This paper combines embedded control technology with network control technology to realize the design of temperature control system based on single chip microcomputer through Internet control. Th...[Details]