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MSP430 interrupt priority, on/off, and interrupt nesting
The priority order from high to low is:
PORT2_VECTOR (1 * 2u) /* 0xFFE2 Port 2 */
PORT1_VECTOR (4 * 2u) /* 0xFFE8 Port 1 */
TIMERA1_VEC...[Details]
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introduction
Traditional digital video surveillance mostly uses digital chip integration or pure PC monitoring. Since digital chips do not have intelligent operating systems and PCs are slow i...[Details]
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1. What is LED?
In the PN junction of semiconductor materials, when the injected minority carriers recombine with the majority carriers, they release excess energy in the form of light, th...[Details]
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On the evening of January 11, Zhongying Electronics disclosed its 2021 performance forecast, expecting to achieve a net profit attributable to shareholders of listed companies of 365 million yuan to ...[Details]
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SPM operation steps: 1. Check if the SPM operation has been completed 2. Save the status register and disable interrupts 3. Check whether there is an EEPROM write operation currently 4. Execu...[Details]
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A recorder with a recording monitoring function (most recorders have it), when in recording mode, the external microphone jack receives the audio signal while the monitoring jack also outputs the sam...[Details]
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Real-world circuit components are much more complex than ideal resistors and exhibit resistive, capacitive, and inductive properties that together determine the impedance characteristic. Impedance d...[Details]
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On July 11, 2019, former Macronix chairman and founder Hu Dinghua passed away at the age of 76. Macronix chairman Wu Min-chiu said in a telephone press conference that he usually saw Hu Dinghua in go...[Details]
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International Energy Network/Photovoltaic Headlines (PV-2005) learned that on January 10, the evaluation results of the strategic supplier of string inverters of China Communications Construction E...[Details]
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According to a report by Nikkei Asian Review on September 9, both SMIC and Yangtze Memory Technologies, China's first 3D NAND flash memory manufacturer, have recently formulated ambitious plans to st...[Details]
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The design of large-capacity non-blocking TU trunk unit branch cross-connectors is one of the key technologies for realizing SDH (synchronous digital architecture) 2.5G optical transmission high-...[Details]
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Power management is a major concern in IoT designs, and accurate current measurement is particularly important. Because low-power devices related to the Internet of Things consume power at differen...[Details]
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According to the internal model principle, the basis of repetitive control design is that the controlled system is stable, and then a repetitive internal model is added to obtain the zero...[Details]
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1. Overview
The Virtual CAN Interface (VCI) function library is an application program interface specifically provided for the use of ZLGCAN devices on PCs. The functions in the library ar...[Details]
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12V cut-off switching power supply circuit
Figure 12V cut-off switching power supply circuit
The circuit of the 12V current-cutoff switching power supply is shown in Figure 4. This circuit ...[Details]
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