Dear experts, the maximum external clock source of msp430F449 is 8M. Can the frequency be multiplied by the internal digital oscillator to exceed 8M? What is the maximum?...
Now I am developing the flash animation function in wince6.0. There is an adobe flash lite activex control plug-in in the R3 package. After I compiled it, four dynamic libraries related to flash were ...
[color=#191919][font="]Platform: Xunwei-IMX6 development board[/font][/color] [align=left][color=rgb(25, 25, 25)][font="]First, connect the development board to a 9.7-inch screen and an HDMI display r...
When electronic engineers design circuits, they often need to determine circuit parameters. This tool provides some convenient calculation methods. Thanks to the original author!...
Since the launch of digital television, various TV reception products have been launched in response to market demand. All products with dynamic displays will also be introduced with TV reception func...
Event: The company simultaneously released its 2017 annual report and the first quarter report of 2018. In 2017, the company achieved revenue of 8.886 billion yuan, a year-on-year increase of 48.01...[Details]
1. Problem When developing STM32 with IAR, I found that I could not print floating point numbers by redirecting printf to the serial port. The code is as follows: The output is as follows: It can...[Details]
Recently, the " ZTE
incident"
caused by the Sino-US trade war
has caused heated discussions in the electronics industry. It not only reflects that Chinese companies are lagging behind in the...[Details]
In Windows environment, the source code is encoded in UTF-8. If the source file created by STM32CubeMX contains Chinese comments, then using STM32CubeMX to regenerate the source code will cause the C...[Details]
The last two blogs talked about a version problem of STM32CubeMX and the problem of hardware reset. When you solve these two problems, you will find that after the program is burned into the board, t...[Details]
Function List and Notes (lower-level driver part) 1. IO port initialization: control IO and communication IO. Control includes power control, reset and low power mode. Communication is the serial po...[Details]
Serial Port: 一. USART_ITConfig(USART1, USART_IT_TXE, ENABLE): As long as the transmit register is empty, there will always be an interrupt. Therefore, if you are not sending data, turn off the tran...[Details]
Automotive LCD Instrument Clock EMI Solution As early as 2014, the market size of China's automotive full LCD instrument has reached 3.506 billion yuan, and it is expected that by 2020, this s...[Details]
At present, the Beidou system has achieved industrial breakthroughs and leapfrog development in five major areas, including the automotive OEM market, smart phones, and high-precision applications....[Details]
What is SYSTICK: This is a 24-bit system tick timer, SysTick, with automatic reload and overflow interrupt functions. All microcontrollers based on the Cortex_M3 processor can obtain a certain time ...[Details]
As cryptocurrency continues to gain popularity, a technology hidden behind it has attracted more attention from the world, that is the now hotly debated
blockchain
. Let's follow the embedd...[Details]
WPG Holdings announced that its subsidiary Youshang has launched a wireless smoke alarm solution based on STM and Semtech . With the development of the national economy and the enhancement of...[Details]
Mobile communication resale business means that enterprises can contract part of the communication network usage rights from basic telecommunications operators, repackage them into their own brands...[Details]
Independent watchdog (IWDG) and low power mode are often used in STM32 development. The watchdog is to detect and solve faults caused by software errors, and the low power mode is to enter sleep mode...[Details]
The STM32 watchdog has two WWDG and IWDG. The biggest difference between the two is that IWDG has only one lower limit for feeding, while WWDG, as the name implies, must be fed within a range to ensu...[Details]