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1Written in front IAR software has multiple versions for different processors, such as EWARM, EWMSP430, EWSTM8, etc. However, in order to make the software "compatible" in use, IAR has released mult...[Details]
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You may remember that in Chapter 1 we talked about the persistence time of the P31 phosphor on the ordinary analog oscilloscope CRT being less than 1ms. In some cases, a CRT using P7 phosphor can g...[Details]
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The figure below shows a combination charger with a 1kW single-phase voltage regulator in the front and a 500W control transformer in the back; it can form an adjustable large current and is very saf...[Details]
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EFM32 is a high-performance microcontroller designed by EnergyMicro of Norway using the Cortex-M3 core. It has outstanding low power consumption characteristics and is suitable for three meters (el...[Details]
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1. Serial port initialization void usart_init() { SCON = 0x50; //REN=1 allows serial reception status, serial port working mode 1 TMOD = 0x20; //Timer working mode 2 PCON = 0x00; TH1 = 0xFD; //Baud r...[Details]
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Recently, it was reported that TSMC Chairman Liu Deyin pointed out that one of the factors for the current chip shortage is the shift in supply chain and market share caused by the Sino-US trade war....[Details]
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On January 20, the 7th First Members' Meeting of Shenzhen Semiconductor Industry Association was held. At the meeting, Mr. Zhou Shengming was elected as the new president of Shenzhen Semiconductor In...[Details]
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According to Jiwei.com, Yuchuang Semiconductor has recently completed a round of A+ financing of over 100 million yuan, with investors including Junsheng Investment, Runwu Venture Capital, Caozhixing...[Details]
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1. The different concepts of linear regulators and switching regulators 1. What is a linear regulator? Linear regulators use transistors or FETs operating in their linear region to subtract e...[Details]
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1. PA0 ... PF0 share an interrupt flag EXT0
PA1 ... PF1 share an interrupt flag EXT1
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PA15... PF15 share an interrupt flag EXT15
2. EXT5-9 share an interrupt sourc...[Details]
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void hard_fault_lr_pc(U32 *usHardFault) { usStack_R14 = usHardFault ; usStack_R15 = usHardFault ; BKP_WriteBackupRegister(BKP_DR3, usHardFault 16); BKP_WriteBackupRegister(BKP_D...[Details]
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Due to the size and cost constraints of the microcontroller, the M4K core does not support standard functions such as instruction cache (I-cache) or data cache (D-cache). This article focuses on one ...[Details]
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On September 30 this year, the Munich Court in Germany ruled that Lenovo had infringed Nokia's EP1433316 patent and issued an injunction as well as product recalls and damages. According to the lat...[Details]
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2020 has been an exceptionally difficult year for Huawei’s smartphone business. On the one hand, under the trade ban signed by the United States last year, Huawei's smartphones sold overseas...[Details]
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In 2024, the growth of the AR industry is significantly faster than that of VR devices, and shipments have also increased. The differences between the AR and VR industries reflect that consumers' p...[Details]
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