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The keyboard scan uses the inversion method to read the keys: first output zero level from the high 4 bits of port P2, and read the keyboard status from the low 4 bits of port P2; then output zero le...[Details]
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In the past, oscilloscopes were difficult to use for EMI debugging because they did not have the sensitivity required to capture EMI radiation signals, their FFT spectrum analysis capabilities were n...[Details]
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C51 Program Before learning C51 programming, you need to have a certain understanding and learning of C language; here we only introduce the differences from C language; The specific differences ar...[Details]
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The China Semiconductor Industry Association announced on March 11 that after several rounds of discussions and consultations, the semiconductor industry associations of China and the United States j...[Details]
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In addition to bringing fundamental changes to the power of automobiles, the new energy and intelligence of automobiles have also become a development trend in the aspect of automobile chassis wire...[Details]
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Today’s self-driving cars all use an expensive radar technology called lidar, which uses lasers to spot objects on the road. Engineers and companies have been working on self-driving cars for years, ...[Details]
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__create_page_tables:
pgtbl r4, r5 @ page table address
/* Clear the 16K level 1 swapper page table */
mov r0, r4
mov r3, #0
add r2, r0, #0x4000
1: str r3, , #4 ...[Details]
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Bandwidth is known as
the first indicator of
an oscilloscope
and is also the most valuable indicator of an oscilloscope. The oscilloscope market is often divided based on bandwidth as the pr...[Details]
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With the rapid development of the Internet and 5G technology, digital cockpits are gradually being applied to automobiles. For example, full LCD instrumentation, Internet of Vehicles, in-vehicle inf...[Details]
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Linear Technology Corporation introduces the LTC3355, a complete ride-through DC/DC system IC . The device features a main buck regulator and an onboard boost converter to provide a short-term backu...[Details]
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This year, some electric vehicles have a range of 600 kilometers or 700 kilometers, but I believe many people can see that there is no progress in battery technology. Because they either change the N...[Details]
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To reduce conduction losses and reverse recovery losses, synchronous rectification requires precise timing control circuits. Although there are several methods to generate control signals, we now u...[Details]
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Two interrupts are enabled, one for timing and the other for external interrupt. void TIMER0INIT（） { T0CON=0B10001000; //1000 0011, PSA=0, division by 16; TMR0L=0xDC; TMR0H=0x0B; //INTCON=0B10100000;...[Details]
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PWM programming of LPC2103
1. Set the pin function that needs to output PWM wave in PINSEL0/1 register;
2. Set the CTCR register to timer mode (default reset value);
3. Enable the corresponding...[Details]
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Since version 2.10, TekScope software and Tektronix oscilloscopes (such as 4B Series MSO) have introduced TekHSI high-speed interface technology, which allows you to transfer waveforms up to 10 tim...[Details]
Embedded System
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