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/* Name: S3C2440 learning GPIO button control LED light 说明:这是实验2440GPIO的输入功能。基本的流程和51单片机开发的差不多。都是对GPIO端口寄存器的控制不同的是，51单片机可以直接对进行位控制，而2440中GPIO只能对32位的寄存器进行写入或者读出。这样的话，对于有些逻辑操作要稍微复杂点。还有个不同的是，无论是STM32还...[Details]
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According to foreign media reports, a report released this week by NASA's Office of Inspector General (OIG) showed that in April 2018, hackers attacked their network and stole about 500MB of data rel...[Details]
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On October 17, automotive software company Cerence announced that it had signed a multi-year agreement with Renault Group to create the next generation of humanized Co-Pilot virtual co-pilot. Seren...[Details]
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I'm working on a project related to buttons recently, and I need to use a matrix keyboard. I searched the Internet for many programs based on some rule interfaces, but I felt speechless because ...[Details]
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As an important sensor for water level control, the float sensor plays a significant role. When it detects that there is no water in the water tank of the coffee machine, it will give an alarm sign...[Details]
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According to media reports, Toshiba CEO Taro Shimada recently said that he does not mind being remembered for selling Toshiba as long as any transaction "makes the company great." Taro Shimada t...[Details]
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According to foreign media reports, researchers from the Fraunhofer Society in Germany have developed a new type of micro-scanning mirror that can be integrated with lidar to provide enhanced 3D visi...[Details]
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On the morning of October 23, Apple recently submitted two patent applications, which revealed some details of the company's highly anticipated AirTags tracker. The documents contain a large number o...[Details]
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Researchers from Northwestern University have developed a carbon material that could revolutionize the way solar cells are made. The new solar cell material is a transparent conductor made of carbo...[Details]
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Four-channel PWM 8 10-bit ADCs, 8 single-ended channels, 2 differential channels with programmable gain (1x, 10x, or 200x) Port A (PA7..PA0) Port A is used as the analog input of the A/D conv...[Details]
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I2C bus (Inter IC BUS) is a two-way two-wire serial communication standard launched by Philips. It has been widely used due to its advantages such as fewer interfaces and high communication efficie...[Details]
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Portable medical electronics has a bright future, Freescale launches the first USB software stack
"Information technology and medical technology are two fields that are constantly changing, which w...[Details]
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The working environment of microwave oven controller is relatively bad. First of all, the temperature of the oven cavity is relatively high, and the temperature near the controller is also relativ...[Details]
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"High Frequency Electronic Circuits" Exercise Book
High Frequency
Electronic Circuits Exercise Answers
1-1 Draw a block diagram of a wireless communication transc...[Details]
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Readers familiar with the Azure platform know that Microsoft Azure service management is divided into three levels: 1. Enterprise Service Contract 2. Subscription: Under one enterprise service ...[Details]
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