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用FPGA实现数字锁相环
资源描述xilinx ise Verilog语言 &
- 2022-05-30 02:13:40下载
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1,消除按键的抖动问题 因为按键在闭合或断开过程中出现一段抖动期,主要由于按键的不稳定性引起的,这时会呈现一串页脉冲,时间的长短和开关的机械特性有关。一般在5m...
1,消除按键的抖动问题 因为按键在闭合或断开过程中出现一段抖动期,主要由于按键的不稳定性引起的,这时会呈现一串页脉冲,时间的长短和开关的机械特性有关。一般在5ms~10ms之间。为保证CPU对键的一次闭合作一次处理,必须去抖动。在键的稳定闭合或断开时读键的状态。 2,据EICE51原理图编写并调试一个键输入子程序,其功能为判断键盘上有无键输入,若有键入,作去抖动处理后,计算输入键的键号送累加器A。-eliminate jitter button issues as keys or disconnect the closure process for some jitter period, mainly due to the instability of the keys to the cause, then it will result in a bunch of pages pulse, the duration and switches on the mechanical properties. General ~ 10ms between 5ms. To ensure that the CPU in a pair of keys a close cooperation, must go jitter. The key to the stability closed or disconnected when reading the key state. 2, EICE51 schematics prepared and debug a key input subroutine, and its function of determining whether keys on the keyboard input, if typing for to handle jitter, the admission of Bond, Bond sent accumulator A.
- 2022-05-06 22:58:19下载
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数据结构队列的应用
应用方法都有详细介绍,希望大家喜欢!...
数据结构队列的应用
应用方法都有详细介绍,希望大家喜欢!-C
- 2022-08-08 10:32:13下载
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HPA磁盘隐藏分区的安装生成源码,在MASM编译上可以通过,主要调用BIOS中断,端口等实现操作。...
HPA磁盘隐藏分区的安装生成源码,在MASM编译上可以通过,主要调用BIOS中断,端口等实现操作。-HPA hidden disk partition to install to generate source code in MASM compiler can be passed, the main BIOS interrupt call, port and so realize the operation.
- 2022-05-13 13:55:22下载
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用win32汇编编写的魅力的彩色漩涡,样式有十几种变化
用win32汇编编写的魅力的彩色漩涡,样式有十几种变化-using win32 compilation prepared by the charm of the color swirl, forms a dozen changes
- 2022-02-04 18:52:07下载
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it can help you know C++ souce program quckily
it can help you know C++ souce program quckily
- 2022-07-23 15:12:47下载
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Cast256算法软件.用汇编语言编写.
Cast256算法软件.用汇编语言编写.-Cast256 algorithm software. Prepared to use assembly language.
- 2022-01-26 02:21:35下载
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chaoshi guan li xitong
chaoshi guan li xitong
- 2023-03-18 19:05:03下载
- 积分:1
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实现记时和日期显示功能的c语言程序
实现计时和日期显示功能的c语言程序,和秒表功能,以及定时功能的实现,基于C语言汇编和单片机技术
- 2023-08-20 21:15:02下载
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51写的19位数码管显示的万年历程序,精度很高8个月误差5秒
51写的19位数码管显示的万年历程序,精度很高8个月误差5秒-51 written by 19 digital tube display calendar procedures, high precision error of 8 months 5 seconds
- 2022-08-23 16:27:39下载
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