Theoretically, the high level is not close to VCC, and the low level is 0.4V. However, when I actually measured it, it only changed by 0.1-0.2V when irradiated with infrared light. The infrared wavele...
[i=s]This post was last edited by dontium on 2015-1-23 13:15[/i]Share your debugging experience a little bit,
I have used a certain company's clock distribution chip on several boards, with the same c...
The problematic statement: assign tc_clkcnt=(clkcnt==16'b0000_0000_1000_0101)?1:0; The warning: Result of 32-bit expression is truncated to fit in 1-bit target. I can't figure out what's wrong with it...
[i=s]This post was last edited by qq825117996 on 2020-9-8 11:56[/i]cube automatically generates initialization function
void MX_TIM1_Init(void)
{LL_TIM_InitTypeDef TIM_InitStruct = {0};LL_GPIO_InitTyp...
The number of address lines on the local side is 30, how come it is a 32-bit address line? Where are the other two? Is the bus width controlled by LBE[0..3] a data line or an address line? Now there i...
1. To complete this, you only need to understand two points.1: NE555 acts as a signal generator (generating square waves).The signal is an electrical signal, which has high and low levels. The so-call...
For 80,000
ZTE
(000063.SZ) employees and more Chinese ICT (information and communication technology) industry practitioners, the news from across the ocean on the evening of April 16 kept t...[Details]
"Originally, there are many people who can design very good
chips
, but the market does not give domestic
chips
the opportunity to iterate, and domestic companies cannot give engine...[Details]
1. Test conditions Hardware: STM32L432KC Main frequency: 80MHz Compiler: IAR 8.20.1 Compiler options: High Speed no size constraints CRC generator polynomial: 0x782f 2. Test Method The softwar...[Details]
In the actual project development process, we often need to get the running time of a section of code. The usual method is to use an oscilloscope to measure it. This blog post will use SysTick to acc...[Details]
Since the second half of 2017,
the market share of
quantum dot
displays has dropped significantly, with global sales falling from 3.42 million in 2016 to 2 million in 2017, a 42% decrease; d...[Details]
China Energy Storage Network:
At the Boao Forum, Zhu Min, the current dean of the National Institute of Finance at Tsinghua University, said: "When talking about blockchain, we must first sep...[Details]
Timing and protocol are two key points in digital system debugging, and they are also where logic analyzers can play their most valuable role. How can we use a logic analyzer to quickly complete wiri...[Details]
There has been a lot of news about Huawei
phones
recently
. At the
Huawei
Global Analyst Conference
on the 17th
,
Huawei
announced that it will launch
5G
phones
in the seco...[Details]
At present, in the world,
the construction of
smart cities
is in the process of gradually landing from concept, and technology giants and investment giants are important participants in this...[Details]
The application of millimeter wave technology in mobile communications also involves a series of technical problems, including the large propagation loss of millimeter waves and the susceptibility ...[Details]
The ARM11 (S3C6410) processor is selected as the hardware platform, the embedded Linux operating system is used as the software platform, the background difference method and the frame difference...[Details]
Since the 20th century, our data
storage
has evolved from media such as magnetic tapes, floppy disks and CDs to sophisticated semiconductor
storage
chips that can store data in coun...[Details]
The role of the watchdog: Since the operation of the microcontroller is often interfered by the external electromagnetic field, the program may run away and fall into an infinite loop. The normal ope...[Details]
Why does MCU have a watchdog? With this question, let's learn about watchdogs. Even the 51 single-chip microcomputer has a watchdog, which shows that this dog has a special meaning to us. The purpose...[Details]