DCO and DCO_DIV configuration processDue to the fact that DCO can multiply frequency autonomously, the multiplication function is CLOCK_DCO_PLLConfig(FLLREF_Source, FLLREF_DIVx, uint32_t DCO_FLL_Fre)....
An open source SSD1316 OLED expansion module with a mini size and uses the IIC control bus.
1. Preview image:2. OLED size and pin definition:3. AD design source files...
The scenario envisioned for this kit is to use it as a field monitoring device, using an accelerometer as a vibration sensor, issuing a start command on the mobile phone, obtaining data through Blueto...
Vivado Online Debug Overview
There are many ways to debug FPGA board level, and debugging with the help of conventional oscilloscopes and logic analyzers is the most typical method. As shown in Figure...
Deception refers to the activation of the Quick charge (QC) mode. In layman's terms, it is to trick the power supply in the PD protocol into outputting a desired voltage.The current mainstream fast ch...
Take timer remapping as an example Partial remapping: only change the CH1 and CH2 pins Complete remapping: CH1~CH4 pins are all changed Find the remapping statement in stm32f1xx_hal_gpio_ex.h Add...[Details]
Qichacha shows that on August 19, Shenzhen Hubble Technology Investment Partnership (Limited Partnership) made a new foreign investment - Chongqing Liyituo Software Co., Ltd. (hereinafter referred to...[Details]
Apple released its new M2 chip on Monday, the first upgrade of Apple's self-developed computer chip. Although the MacBook equipped with the M2 chip has not yet been launched, there has been news that...[Details]
1.The result type of the sizeof operator is size_t, which is typedef'ed to unsigned int in the header file.
This type is guaranteed to hold the byte size of the largest object created by the implemen...[Details]
Microsoft co-founder Bill Gates took part in his first session on Clubhouse this week, answering a series of questions. Gates was interviewed by journalist Andrew Ross Sorkin, and given that the ap...[Details]
The battle between chatbots and mobile apps has always been one of the hotly debated topics in the industry. In this regard, most people tend to prefer chatbots over mobile apps. The question is, why...[Details]
Ripple is the core indicator of power supply, but how to accurately measure ripple is a widely ignored issue. Maybe you think it is just AC coupling of oscilloscope and then point the probe on the po...[Details]
The flyback converter is a common circuit topology for auxiliary power supplies . Its advantages are that it can operate over a very wide input voltage range, the circuit is simple and has few compon...[Details]
Jiwei.com reported on November 6 that the Beijing Intellectual Property Court recently ruled that Huawei lost the first instance of the trademark dispute case. In November 2017, Huawei applied to reg...[Details]
Each pixel of the active drive is equipped with a low-temperature polysilicon thin film transistor (LTP-Si TFT) with a switching function, and each pixel is equipped with a charge storage capacitor....[Details]
According to foreign media reports, mobile phone cases for Samsung Galaxy Note 20 and Note 20 Plus/Ultra have been circulated on the Internet. From the photos, it can be seen that the camera se...[Details]
Overview
Tools: PC W5500EVB Net-SNMP software package Compilation environment: Keil4 & IAR Function: Simple LED control through network management protocol SNMP and basic control commands
1. Introd...[Details]
Recently, the Minister of Industry and Information Technology stated at the 2019 World VR Industry Conference that China is one of the regions with active innovation and entrepreneurship in the g...[Details]
According to the news from the domestic Weibo digital blogger @长安数码君, the preparation stage for the release of the Huawei Mate 40 series, which has always attracted much attention from the industry a...[Details]
Control circuit schematic of Totem-Pole Boost PFC topology
Most of the literature that studies this topology adopts the strategy of hysteresis control . For this topology, hysteresis control ha...[Details]
Microcontroller MCU
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