The debug script reads out that a register is 1 after power-on. This section of code is generated by a for loop. The initial values of the other registers are normal and there is no problem with the t...
Embedded systems inevitably have to deal with chip registers, and register operations require bit operations.
I won’t talk about the basic operations such as clearing a bit and setting a bit, but let’...
I have used protel 99 and AD 17, and I have been drawing low-speed PCBs. Although I have been in the industry for many years, I have not studied PCB knowledge in depth. Recently, I want to learn orcad...
Let us briefly discuss what is LDO.Low Dropout RegulatorA low dropout or LDO regulator is a DC linear regulator that can control the output voltage even when the input voltage provided to it is almost...
Why does I2C need a pull-up resistor? Because it is an open-drain output.Why open drain output?
The I2C protocol supports multiple master devices and multiple slave devices on one bus. If push-pull ou...
An important wireless technology will make its debut, Ultra-Wideband (UWB) technology. Let's take a closer look.When you think of wireless technology, the first ones that come to mind are those that h...
This circuit uses NMOS field effect tube as power output device, designs and implements high power DC motor H bridge drive circuit, and performs closed loop control on 25D60-24A DC motor with rated v...[Details]
According to Jiwei.com, in 2013, there were 13 integrated circuit-related enterprises in Hefei, and the scale of the integrated circuit industry was 2.8 billion yuan; however, as of the end of 2018, ...[Details]
Piezoelectric pressure sensor is a kind of sensor that uses the piezoelectric effect of piezoelectric materials to convert the measured pressure into an electrical signal. It has a wide range of appl...[Details]
Planetary reducer is a widely used industrial product with small size, light weight, high load-bearing capacity, long service life, stable operation and low noise. It has the unique characteristics...[Details]
This morning, the 2021 OPPO Developer Conference (ODC21) was held in Shanghai. With the theme of "Openness, Integration, Good and Innovation", the conference proposed new thinking on the future ecolo...[Details]
What are the reasons for DSP program failure? How do you solve it? Brainstorming in the name of academics is spreading in the Electronics Fan Network Forum. Let's take a look at the dry goods that ...[Details]
MediaTek releases 6G Vision White Paper, defining three basic design principles for SOC
Proactive layout accelerates sustainable digital social transformation and leads the transform...[Details]
This time is an experiment on the FIFO mode of uart0 on S3C2440. The program sets the number of data contained in the input fifo of serial port 0 to trigger a pulse interrupt at the moment when it ch...[Details]
1 Introduction
At present, with the continuous improvement of science and technology and industrial and agricultural production levels, higher and higher requirements are placed on c...[Details]
TMOD: Working mode control register Register address 89H is not bit addressable. Sequence B7 B6 B5 B4 B3 B2 B1 B0 Bit Notation GATE C/T M1 M0 GATE C/T M1 M0 GATE——Gating bit W...[Details]
In the future, new technology that will be able to detect surface changes and defects of precision parts with just one picture has been successfully developed in South Korea. It is expected to be app...[Details]
MOS tube is a voltage-controlled current device that uses changes in gate voltage to control changes in drain current. N-channel enhancement-type power MOS field-effect transistor is one of the mos...[Details]
According to news on September 19, Apple’s iPhone 15 series reviews are officially lifted tonight. What everyone is most concerned about is the performance of the A17 Pro chip equipped in the iPhone ...[Details]
Fingerprint access control system is a high-tech security facility based on biometric recognition technology. In recent years, it has been widely used at home and abroad and has become one of the symb...[Details]
1 Introduction
The problem of line selection for single-phase grounding faults in systems with non-effective neutral grounding has always been an important topic in relay protection work f...[Details]
FPGA/CPLD
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