I used Quartus 15 to generate Uniphy DDR2 IP. After testing on the board, I found that the pll and dll lock signals were high, indicating that the clock has been locked. However, the local_cal_fail si...
The keyboard is a switch matrix composed of several keys. It is the most commonly used input device for microcomputers. Users can input instructions, addresses and data into the computer through the k...
As digital multimedia applications become more and more widespread, video decoding has become a basic element in embedded system design. There are many video standards, and the product can implement o...
I read in the forum that the interrupt system of AVR microcontrollers does not support software setting of interrupt priority. All interrupt priorities are fixed. Then why does the Xmega series still ...
[p=35, null, left][color=rgb(74, 74, 74)][font=微软雅黑]via is called via hole, which is divided into through hole, blind hole and buried hole. It is mainly used to connect wires in different layers of th...