When burning the program, you mistakenly select "cold start" and the program can only be downloaded when P3.2/P3.3 is 0/0, but your own program outputs a high level.
You can short-circuit P3.2/P3.3, a...
[i=s]This post was last edited by xiaowei1234 on 2020-3-4 15:14[/i]1. Source code of OBD communication based on STM32
2. Support CAN bus communication, K line communication, L line communication
3. Su...
I am currently working on a BCH decoder, and my boss requires me to use a table lookup method to replace the multiplier in the Galois Field. Since it is an m=14 Galois Field, the table needs more than...
Cortex-M3 USB module and SST25 series Flash storage
1. The Cortex-M3 core LM3S37xx series microprocessors have built-in USB interfaces for Device/Host/OTG, which is very convenient. Generally, when us...
I am using W77E58, and I have two 32K RAMs externally expanded. I use P3.4 as the chip select for both RAMs, but now I can only access one RAM. How can I access the other RAM?...
Now there are many businesses that make ARM development boards, they just make money by selling development boards. How much can they ship? Can they make target boards (that can be used on devices) fo...
Assume that data is read from 8-bit AD (if it is a higher-bit AD, the data type can be defined as int), the subroutine is get_ad();
1. Limited secondary filtering
/* A value can be adjust...[Details]
A single-chip microcomputer is also called a single-chip microcontroller. It is not a chip that completes a certain logical function, but a computer system integrated into one chip. In general, a c...[Details]
introduction
my country has a vast territory and a large population. The scale of housing construction is huge, and the amount of residential construction is large and wide. It is still on t...[Details]
Floating-point digital signal processing has become a constant requirement for precision technology, often in applications requiring high accuracy in areas such as aviation, industrial machinery, a...[Details]
1 Introduction
Solar street lights are mainly composed of four parts: solar photovoltaic cell components, batteries, charge and discharge controllers, and lighting fixtures. The bo...[Details]
1. System Structure
This system is a simulation system of indoor air-conditioning temperature/humidity control system. The data acquisition and control center collects temperature/humidity...[Details]
On the afternoon of July 10, Beijing time, Taiwan's largest chip designer MediaTek expects its smartphone chip shipments to grow by double digits in the third quarter of this year, and the company is ...[Details]
Overview
In spectral measurement, photomultiplier tubes (PMT) and charge-coupled devices (CCD) are often used as photoelectric converters. PMT is used in slow-changing, high-precision spectral...[Details]
0 Introduction
High-precision current source can provide high-precision current supply for precision instruments, and is suitable for automatic measurement tasks of various resistors in semico...[Details]
The serial interface real-time clock chip DS1302 launched by Dallas Company in the United States can trickle charge the backup battery of the clock chip. Due to the main features of the chip such a...[Details]
Distributed Wireless Communication System (DWCS) uses distributed antennas, distributed processing control, joint signal processing and other technologies to improve the system's spectrum efficie...[Details]
Against the backdrop of global warming, energy conservation and emission reduction have become a global hotspot and focus, which has also sounded the clarion call for the take-off of the LED lighti...[Details]
For battery-powered portable devices, in addition to breaking through the limitations of processing power, the performance of portable system power supplies also needs to be continuously improved. ...[Details]
At present, with the diversification of portable products and the almost harsh requirements for audio and video parts, the power consumption requirements of the whole machine have been raised to a ...[Details]
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