C320C393J5R5TA

Dong Yang, executive vice president of the China Association of Automobile Manufacturers, said on the 26th that according to the authorization of the Ministry of Industry and Information Technology...[Details]

Using Systick timer to achieve delay 1. SysTick timer characteristics The SysTick timer is a 24-bit down counter, that is, when vlue is decremented to 0, an interrupt is triggered and the load va...[Details]

I used STM32CubeMX V4.22.1 to generate a project including EHT and Lwip. The debugging has been abnormal. After careful inspection, the following problems were found: 1. The hardware uses LAN8720A, b...[Details]

I slightly changed the lyrics of Yu Quan's song "Running", which seems to be a reflection of the current state of Huawei Cloud . At the annual Huawei Analyst Conference held on April 17, Zh...[Details]

*This article is based on the author's report at the "Embedded System Association Theme Discussion (Total 22nd) - Current Situation and Development Prospects of Internet of Things Operating Systems...[Details]

In January, Android 7.0 Marshmallow surpassed Lollipop three years ago to become the second most used Android version in the world. According to the latest data from Google , a snapshot of d...[Details]

If you do not use an external crystal on the STM32, the connection method of OSC_IN and OSC_OUT If you use the internal RC oscillator instead of an external crystal, please follow the following metho...[Details]

Since 2018, the field of artificial intelligence chips has been very lively. Especially in China, the rich vertical application scenarios have provided fertile ground for the development of AI chip...[Details]

;Question requirements: ;Stopwatch timing, press S0 to start timing, and the digital tube will display; ;Press S0 again to stop. If S0 is not pressed to stop after counting for 1 minute, the buzzer w...[Details]

Code: void TEST(volatile near unsigned char* IO,unsigned char n,BOOL value) { unsigned char  a; unsigned char  b; a=*IO; b=0x01; b=b n; if(value) { *IO=a | b; } else { b=~b; *IO=a & b; } } PIC stru...[Details]

#ifndef _I2C_H  #define _I2C_H  #define SDA_1       P4OUT|=0x02               //SDA = 1  #define SDA_0 P4OUT&=~0x02 //SDA = 0  #define SCL_1 P4OUT|=0x01 //SCL = 1  #define SCL_0 P4OUT&=~0x01 //SCL = ...[Details]

The chip is EM78P153  ; P64, P65 are connected to the crystal oscillator, the oscillation mode is 4MHz crystal oscillator  ; the watchdog is off, the instruction cycle is 2 CLOCK, and P63 is the rese...[Details]

在一个沒有規则性的内容转换中，查表程序是相当有用的，用户可以使用查表程序很快速的得到相关内容的转换。  例：设计一个程序，將如下图所示中的PORT5读到的一个数值，将输入内容做转换，然后输出到PORT6的7段显示器上。       上图中开关关闭，I/O引脚可以得到一个低电位，若是开关开启则I/O引脚可以得到一个高电位。  图 5.2  数码管 八段说明  7段显示器的接线图如上，我們要編一...[Details]

; ******************************************** ; Function: 7-segment digital tube display program * ; MICroProcessor : HT48R50A-1/28SKDIP-A      * ; Author:         www.picavr.com              * ; Cr...[Details]

The two major chip vulnerabilities , "Meltdown" and "Spectre", have caused a stir in the chip industry at home and abroad. Not only did it cause international IT industry giants such ...[Details]