Use flash224 to download bootrom to arm9 development board, the hyperterminal can connect and display running information, the indicator light of the network port is also on, why can't ping be connect...
[i=s]This post was last edited by paulhyde on 2014-9-15 09:34[/i] National Electronic Design Competition Paper Writing Guidance, I hope it can help you!...
[b][size=5]Analysis of current-voltage amplifier circuit. The outputs of two analog converters must be different. How to calculate and why to use them in this way? [/size][/b]...
When studying GD32VF103, there are two versions of firmware libraries available, one is the official GD firmware library, and the other is the version provided on the Xinlai official website. The diff...
Hongyuan Xintong GPS "Logistics Vehicle" vehicle management system is a vehicle management system developed according to the current information management needs of the logistics industry, which can a...
Now the company needs this board for a project, so I re-drew it. In order to use it in the future, I used the system board mode with sdram flash sd card usb interface and the external wiring is basica...
The most significant event in the technology circle during this period is undoubtedly the news that ZTE was banned by the United States. Once the news came out, it shocked the entire Chinese techno...[Details]
For STM32, there are two ways to reset the software: 1) Use the official software library The system reset function is directly provided in the stm32f10x_nvic.c file of the official software li...[Details]
Regarding the PHY construction of LWIP, the PHY chip used is LAN8720A, RMII mode. Regarding the hardware connection part, the Atomic board F407 is used, and the hardware connection is as follows: ...[Details]
When designing a product, if the application environment's requirements for power isolation are not considered, the product will be unstable due to improper design, and even high voltage may damage t...[Details]
The pins of stm32 have two uses: GPIO (general purpose io) and AFIO (alternate function io) For some pins (depending on the chip), neither of these two uses exists. For example, in 64-pin products, O...[Details]
OSC_IN and OSC_OUT are external crystal pins by default. If you do not use an external crystal oscillator on the STM32, how to connect OSC_IN and OSC_OUT If you use the internal RC oscillator instead...[Details]
I have encountered many problems when tinkering with LD driver recently. I will record them one by one below. Otherwise, who will remember who in five hundred years? 1. Configuration issues of multi-...[Details]
12864 LCD parallel port driver is more commonly used, but considering that sometimes the IO port of the microcontroller or MCU is limited, the serial driver method can be used. The following is ...[Details]
I have been deeply affected by serial ports since 51. The MAX232 I bought from Huaqiang was originally broken. I thought there was something wrong with my circuit or schematic. Since there was no goo...[Details]
//Environment: winavr+avr studio char temp=0; ISR(TIMER1_COMPA_vect )//interrupt function { // user code here temp++; if (temp==10) temp=0; PORTA=temp; DDRA=0xff; } void ...[Details]
Caijing reporter exclusively learned that
Huawei
will merge and reorganize a number of departments in the near future. Some cloud-related business lines will be incorporated into the Cloud ...[Details]
Each I/O port of the AVR microcontroller corresponds to three registers: DDRx, PORTx and PINx, where DDRx is the data direction, i.e. input or output; PORTx is the state of the internal pull-up r...[Details]
About a dozen years ago,
AMD
was also a rival to Intel. It can be said that the two microprocessor manufacturers have been in love and hate for many years, which is completely a commercial ...[Details]
Semiconductor giant Intel has launched the desktop version of the 8th generation Coffee Lake architecture
Core
processor more than a month ago, and its performance is said to be 30% to 40% ...[Details]
Real-time operating system RTOS
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