The GD32L233 series of low-power microcontrollers are Cortex-M23 core MCUs based on the ArmV8-M architecture of GigaDevice Innovation. They use the leading 40nm ultra-low power (ULP) manufacturing tec...
I have a Bluetooth module, the chip is STM32L151C8T6. Send AT commands and set parameters. The program is as follows: AT; ReceiveTime = 180; Receive_Cnt = 0; while(ReceiveTime > 0); flg = Search_Str(R...
1. Different SPIFLASH chips may provide the following erasing modes: sector erase (4KBytes), half block erase (32KBytes), block erase (64KBytes), and chip erase.
2. Different SPIFLASH chips may provid...
I recently bought a Lizhipi development board with an integrated RGB interface. The LCD interface is a 40-pin interface. It is said that most 40-pin RBGs on the market can be adapted. I would like to ...
1. CMSIS Standard ST's stm32 uses the cortex-m3 core, which is the CPU of the entire microprocessor. The core is a processor architecture designed by ARM. The relationship between the core and peri...[Details]
According to Jiwei.com, the Xiamen Municipal People’s Government recently issued a notice announcing the list of the city’s key projects in 2021. It is reported that there are 409 key projects in Xia...[Details]
Use an additional circuit board to input the electrical signal to be observed, connect the output signal to the video input interface of the TV, and the waveform of the electrical signal can be displa...[Details]
Working status of ARM processor In the ARM architecture, it can work in three different states: ARM state, Thumb state and Thumb-2 state, and debug state. The Embedded System Development and Applic...[Details]
China Energy Storage Network News:
On January 18, the National Development and Reform Commission held its first press conference in 2022. Li Yunqing, director of the Economic Operation Regu...[Details]
1. Use a pointer multimeter to measure the penetration current to determine the emitter and collector First, use a pointer multimeter to find the base of the transistor and determine its model. Then ...[Details]
O LED technology has been developing rapidly recently, mostly because it has the tendency to replace other flat panel displays. In fact, O LED has its unique advantages as a lighting source. ...[Details]
Diodes Corporation (Diodes) launches the first automotive-qualified dual-channel high-side power switches—ZXMS82090S14PQ, ZXMS82120S14PQ and ZXMS82180S14PQ, further expanding its IntelliFET® self-pr...[Details]
1. The concept of priority in STM32 (Cortex-M3) There are two concepts of priority in STM32 (Cortex-M3): preemptive priority and secondary priority. The response priority is also called "sub-pr...[Details]
From July 5 to July 7, 2023, the 13th China Automobile Forum hosted by the China Association of Automobile Manufacturers was held in Jiading, Shanghai. With the theme of "New Era, New Mission and New...[Details]
Hello friends, reset circuits are very common in small microcontroller systems. Today we will discuss the composition, characteristics and improvement methods of the resistor-capacitor reset circuit ...[Details]
At the same time, with the development of many high-tech technologies, switching power supply technology is constantly innovating. The design of switching power supply should take safety and reliabil...[Details]
Abstract: Monolithic switching power supply is a new type of switching power supply chip that became popular in the world in the 1990s. This article explains the design principle of constant vol...[Details]
At a time when domestically produced cars are rising rapidly, Huawei is getting closer to the center of the stage. Xiaokang, Changan, and BAIC have all formed alliances with Huawei, while BYD, Chery,...[Details]
TDA1517ATW is an 8W BTL or 2 × 4 W SE audio power amplifier from NXP. It integrates a class AB output amplifier in the HTSSOP20 package and can be used as a mono bridge-tied load (BTL) or stereo singl...[Details]