MOV A, R3; the value of R3 determines how to branch MOV DPTR, #AAA; the first address of the branch entry address table MOVC A, @A+DPTR; look up the table JMP @A+DPTR; transfer AAA: DB PRG0 DB PRG1 … ...
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As shown in the figure, how can we simply determine the direction of the current in R4?
Can we analyze it this way: becau...
I watched Guo Tianxiang’s video. . The function code for scanning the keyboard is too long. Is there anything simpler? . [code] uchar keyscan() { P3=0xfe; temp=P3; temp=temp&0xf0; while(temp!=0xf0) { ...
When using GPIO external interrupts in sys/bios, that is, sending external interrupts to GPIO5 through FPGA, and then the DSP responds to the interrupt service program. In addition to configuring HWI ...
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As the country increases its efforts to control the atmospheric environment, motorcycle emission regulations will become stricter year by year, and motorcycles that do not meet the...[Details]
In the "digital pressure measurement" experimental device of applied physics, the subject technical knowledge of analog circuits, digital circuits, sensors and single-chip microcomputers is used. In o...[Details]
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At present, the research on micron and nanotechnology is very active, which has led to the rapid development of microtechnology and micro-mechanical electronic system (MEMS) t...[Details]
People who often surf the Internet until late at night, their families always complain that turning on the big lights in the living room affects their rest, but some people don't have keyboard ligh...[Details]
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