I would like to ask you: Regarding the BSP of PXA270 processor: [b]mainstone3[/b]: I downloaded wince50---bsp from Shengbo: Looking at the folder structure, it should be mainstone3. This BSP extracts ...
I designed a 5V 2.5A power supply with reference to that software, but the software prompts to use EE19 transformer, but the coil is wound at 1.2 feet and 5.6 feet. I don't understand why? Please let ...
On September 17, Aniu went to Beijing Guobin Hotel to attend the power supply technology seminar. Chip giants TI, NS, MAXIM, ON came, test and measurement manufacturers Tektronix, Agilent, LeCroy, Pre...
Security PPP is a new model of urban video surveillance projects: 1) The government and social capital establish a project company in a certain proportion; 2) The project company participates in the ...[Details]
This program uses the eight-channel ADC single acquisition mode. According to the configuration, ADC12SC will automatically reset after the conversion is completed in the single mode, so it is necess...[Details]
In recent years, in order to meet the needs of social development, more and more companies have entered the fields of smart phones, artificial intelligence,
VR
, AR, etc. After seeing the d...[Details]
When Amazon quietly launched a product called Elastic Computing Cloud 12 years ago, the Internet industry in China, across the ocean, also ushered in an unprecedented development opportunity. Let's...[Details]
STM32 has 2 watchdogs: independent watchdog and window watchdog. Independent watchdog IWDG: A system fault detector that is independent of the system and is not affected by the system because it has ...[Details]
The calculation formula of the watchdog feeding time (watchdog overflow time) is: Tout=((4*2^prer)*rlr)/40 Tout is the watchdog overflow time (in ms), prer is the watchdog clock prescaler value (...[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]
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]
1. Common knowledge about DMA. 1. Function: to achieve high-speed data transmission between chips. That is, it can achieve data transmission without occupying the CPU. 2. Mode: There are three tran...[Details]
Design a second and minute pulse generator for a single-chip microcomputer using the interrupt method. Assume that P1.0 generates a positive pulse of one machine cycle per second, and P1.1 generates ...[Details]
Title: Use two dynamic digital tubes to display from 0 to 60, output from the P1 port of 89C51, without adding a decoder, and directly connect the digital tubes. Note that they are dynamic digital tu...[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]
PORT6 outputs the action control, and is externally connected to a circuit that drives 8 seven-segment displays . Write a program to display 1, 2, 3, 4, 5, 6, 7, 8 on the 8 seven-segment displays in ...[Details]
HT48R50A 5X7 LED dot matrix display example program ; ******************************************** ; Function: 5X7 LED dot matrix display sample program * ; MICroProcessor : HT48R50A-1/28SKDIP...[Details]