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The HCSl2 series microcontroller does not include a D/A conversion module. To expand its voice function, the usual practice is to add a D/A conversion chip. Although this can achieve very good sound q...[Details]
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The "RTC periodic wakeup unit" of STM8L can configure different wakeup periods through the WUCKSEL bits of the RTC_CR1 register. There are three specific modes: 1.1, WUCKSEL = 0xxb for short wakeup...[Details]
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The characteristic of switching power supplies is that they generate strong electromagnetic noise, which will cause great interference if not strictly controlled. The following techniques can help re...[Details]
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PWM—Pulse Width Modulation The PWM module can generate pulse width modulated signals on GPIO. The module implements an up or down counter with four PWM channels driving the assigned GPIOs. Three PWM ...[Details]
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Renesas Electronics launches new automotive-grade smart power devices Enables safe, flexible power distribution in next-generation E/E architecture New smart power devices bring 40% size reductio...[Details]
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0 Introduction
Thermal error is the biggest error source of CNC machine tools. Temperature test of CNC machine tools provides a basis for compensation of thermal error of machine tools. The tra...[Details]
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The third-generation semiconductors have become a new battleground. Major countries such as China and the United States have also introduced policies to promote their development, and domestic and fo...[Details]
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(Image source: KIST official website) According to foreign media reports, Dr. Hun-Gi Jung and his research team at the Energy Storage Research Center of the Korea Institute of Science and Technolo...[Details]
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introduction
Flash memory, also known as flash memory, is a new type of semiconductor non-volatile memory that gradually developed in the late 1980s. It has the characteristics of both RAM and ROM,...[Details]
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According to the Taipei Times, TSMC plans to build a new high-end IC packaging and testing factory in Miaoli County, Taiwan Province. The specific location is the rural section of Zhunan District in ...[Details]
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Ideal MEGA has hit the screen recently. But we found that many people have not told the origin of Ideal MEGA. In fact, the story comes from Li Xiang, the founder of Ideal Auto—— A few years ago, ...[Details]
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Digital filtering In order to learn more about the ADC and DAC of stm32f4, I decided to do a practical experiment. It is a digital filtering experiment. Using the characteristics of stm32f4's DAC t...[Details]
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1 Introduction
Since TD-LTE adopts a fully IP-based network system, it only has a PS domain and can provide high-speed data services, but the support for voice services is not considered enoug...[Details]
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The principle and application of battery fuel gauge and charger chip DS2770
1 Main Features
DS2770 is a battery fuel gauge and lithium/nickel chemical battery charger inte...[Details]
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Single-phase full-bridge PWM rectifier circuit
Figure 1 Single-phase full-bridge PWM rectifier circuit
The figure shows the principle block diagram of the single-phase PWM rectifier circuit. I...[Details]
Microcontroller MCU
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