Without further ado, here are the test results. Original firmware versionUpgraded version, indicating support for online upgradeThe device recognized by the computer includes STlink, serial port, virt...
1. Principle and structure of the Look-Up-Table
We can also call PLD chips with this structure FPGA: such as altera's ACEX, APEX series, xilinx's Spartan, Virtex series, etc.
Look-Up-Table is abbrevia...
When I reuse GPIO, for example, I turn on the PWM output function of TIM1, I can only set it to multiplex output mode GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP; the corresponding pins PA8 9 10, P...
Problem description:When using a power supply, the customer requires the output ripple to be as small as possible, but does not want to use LDO.
Solution:LC filtering can be added at the back end of t...
There was no QQ technical exchange group in the zigbee section before, so we have created one now, the group number is 243090717. We hope that the forum members who join will not send spam advertiseme...
The data collected by the single-chip microcomputer is sent to the host computer through the 3G module (CM320) for reception and display. How should the underlying single-chip microcomputer be connect...
introduction
Since the beginning of the 21st century, the world of information has changed rapidly. Maybe a high-tech product will be released today and a better similar product will be releas...[Details]
1 Introduction
A wide variety of communication cables and control cables are widely used in various instruments and control equipment. Whether the cable is well-conducted and
whether
th...[Details]
Today, with the increasing integration of functions, mobile phones can also be used as portable media players (PMP), digital cameras, handheld computers (PDAs), and even global positioning systems ...[Details]
Do you often have to add brake fluid to your car's brakes? The fact that you need to pump out the brake fluid to make sure there is no gas in the brake fluid line may not be done by the car owner h...[Details]
introduction
Throughout the history of automotive lighting, power has always played an important role. Initially, cars only needed headlights to see the road in the dark. Later, other light so...[Details]
In public places such as schools, government agencies, factories and mines, as well as public corridors in residential areas, the phenomenon of long-burning lights is very common, which causes a h...[Details]
introduction
For the voltage regulator modules (VRMs) that power the latest computer central processing units (CPUs), power supply designers have historically used multiphase interleaved b...[Details]
For a long time, due to the limitation of hardware conditions, the display devices of traditional small handheld devices such as PDA are usually monochrome LCD, and the user interface is very simpl...[Details]
A multi-point temperature control heating control system was designed using the SST89E564RC single-chip microcomputer and a new temperature measuring device. The heating system can be controlled in...[Details]
my country is a big country in agriculture, grain production and consumption. Grains are a necessary condition for our nation to survive and develop. The flour processing industry will exist forever w...[Details]
MediaTek (2454) announced the acquisition of F-MStar (3697) and attracted the attention of IC design industry. This morning, Gartner Semiconductor Industry Research Director Hong Cenwei analyzed ...[Details]
I've been studying dot matrix recently. It looks simple, but it takes a while to master it completely! The 8*8 dot matrix hardware circuit I'm making now is like this. The row is driven by 74HC138 + t...[Details]
This paper designs a 16x16LED Chinese character display bar based on single-chip dynamic scanning control, briefly analyzes the principle of Chinese character display, and studies how the LED displ...[Details]
Motors are important products that convert electrical energy into mechanical energy to achieve automation, and they are widely used in industrial control, medical electronics, white a...[Details]
According to the Industrial Technology Research Institute of Taiwan, due to factors such as the oil crisis and global warming, the issues of energy conservation and environmental protection have at...[Details]