Summary of video game knowledge points 17: DDS

DDS 1 DDS 1.1 DDS core idea 1.1.1 phase amplitude table of sine wave: It has a sufficiently fine phase step. N is the serial number of data, phase is the phase, Am is the calculated value of sine wave, and Data_10 is the hexadecimal representation of 10 bit digital quantity, which is described by a 10 bit DAC, in which the actual value ...

Posted by viktor1983 on Tue, 08 Mar 2022 21:20:34 +0100

Migration and testing of Linux driver for EC20 4G module

https://blog.csdn.net/u011728480/article/details/78588827 #PS: if you want to reprint, please indicate the source. I own the copyright #PS: This is only "myself" understand, if with your #If the principles conflict, please understand and don't spray Introduction to EC20 EC20 is a 4G module of all Netcom, and provides detailed d ...

Posted by buttercupgreen on Sat, 19 Feb 2022 09:16:28 +0100

Design of single cycle CPU processor in "principles of computer composition"

1, Experimental principle 1. Single cycle CPU Single cycle CPU can be regarded as composed of data path and control unit. Data path refers to the path through which data passes and the functional components involved in the path during the execution of instructions. The control unit generates different control signals for different data ...

Posted by eXodus on Fri, 18 Feb 2022 00:17:08 +0100

FPGA -- finite state machine -- traffic light

1, Experimental purpose Master the programming and use of finite state machine. 2, Experimental content An intersection traffic light controller is designed. There are red lights, yellow lights and green lights in the East-West (b) and North-South (a) directions, with durations of 45, 5 and 40 seconds respectively. Its function is verifi ...

Posted by decessus on Sun, 16 Jan 2022 20:41:23 +0100

Verilog HDLBits issue 13: 3.2 3 Shift Registers

catalogue Foreword 3.2.3.1 4-bit Shift Register(shift4) Solution: 3.2.3.2 Left/right rotator(rotate100) Solution: 3.2.3.3 Left/right arithmetic shift by 1 or 8(shift18) Solution: 3.2.3.4 5-bit LFSR(Lfsr5) Solution: 3.2.3.5 3-bit LFSR(Mt2015 lfsr) Solution:  3.2.3.6 32-bit LFSR(Lfsr32) Solution: 3.2.3.7 shift register(Exams/m ...

Posted by asuamol on Tue, 28 Dec 2021 10:21:11 +0100

MCU plays arbitrary music code through buzzer: Music MCU code is automatically generated

MCU plays arbitrary music code through buzzer (2): Music MCU code is automatically generated In the previous section, we have built a buzzer music playing environment based on 51 single chip microcomputer. Next, we can play different music only by manually or automatically adding music code. Of course, the second section will show you how to a ...

Posted by venom999 on Fri, 24 Dec 2021 07:50:29 +0100