-
片机电子钟的计时脉冲基准是由外部晶振的频率经过12分频后提供,采用内部的定时/计数器来实现计时功能。所以,外接晶振频率精确度直接影响电子钟计时的准确性。...
片机电子钟的计时脉冲基准是由外部晶振的频率经过12分频后提供,采用内部的定时/计数器来实现计时功能。所以,外接晶振频率精确度直接影响电子钟计时的准确性。 -Machine electronic time clock pulse baseline is by an external crystal oscillator frequency, after 12 minutes after the frequency, using an internal timer/counter to achieve the timing function. Therefore, the external crystal frequency accuracy of a direct impact on the accuracy of the electronic time clock.
- 2022-02-03 05:24:56下载
- 积分:1
-
利用8255可编程并行口做一个扫描键盘实验,把按键输入的键码,显示在由8279控制的七段数码管上。8255PA口做键盘输入线,PB口作扫描线
利用8255可编程并行口做一个扫描键盘实验,把按键输入的键码,显示在由8279控制的七段数码管上。8255PA口做键盘输入线,PB口作扫描线-8255 programmable parallel port using a scanning keyboard to do the experiment, the button input keys code, displayed in the control of the team respectively by 8279 digital tube. 8255PA I make the keyboard input line, PB mouth for scan line
- 2022-09-21 20:30:02下载
- 积分:1
-
8031直接驱动LED的电路
以下是利用8031的I/O口直接驱动LED的电路原理图。电路通过8031的P0、P2口连接一片74LS373和一片27128构...
8031直接驱动LED的电路
以下是利用8031的I/O口直接驱动LED的电路原理图。电路通过8031的P0、P2口连接一片74LS373和一片27128构成外拓存储器,通过P1口直接连接LED,驱动显示器,通过P3.0、P3.1、P3.2、P3.3连接电平开关S1、S2、S3、S4作为逻辑输入控制。-8031 direct-drive LED circuit is the use of 8031 following the I/O port directly drive LED circuit schematic. Circuit through the 8031
- 2022-01-25 21:42:50下载
- 积分:1
-
在保存.5下编译ucos的案例,非常方便想了解ucos的入门者
在保存.5下编译ucos的案例,非常方便想了解ucos的入门者-In the preservation of the compiler under .5 uCOS case, a very convenient entry uCOS would like to know who
- 2023-06-24 12:10:03下载
- 积分:1
-
Registry Edit Sample code
Registry Edit Sample code
- 2022-08-21 08:18:40下载
- 积分:1
-
seek-for-saddle-point
找出一个m*n数组的鞍点。若找到了鞍点则输出鞍点的行号和列号,若数组不存在,则输出鞍点不存在(seek for saddle point)
- 2014-04-01 23:22:47下载
- 积分:1
-
51 compilation prepared by CRC
用51汇编编写的CRC-4校验程序,生成多项式g(x) = x4 + x + 1, 非常适合数据量不大的场合.-51 compilation prepared by CRC-4 checksum procedure to generate the polynomial g (x) = x4+ X+ 1, the amount of data is not very suitable for the occasion.
- 2022-06-30 13:41:17下载
- 积分:1
-
This is a compilation process. For inquiries string. Want to have friends to rea...
这是一个汇编程序.用于查询字符串.希望有同好能阅读并优化这个程序.-This is a compilation process. For inquiries string. Want to have friends to read and optimization of this process.
- 2022-03-19 03:19:09下载
- 积分:1
-
TM1628数码管显示程序,用的很广,是不错的资料,供大家学习参考...
TM1628数码管显示程序,用的很广,是不错的资料,供大家学习参考-TM1628 digital tube display program, with very wide is good information for them to learn information
- 2023-05-30 12:40:02下载
- 积分:1
-
计算表达式值的汇编程序
计算表达式值的汇编程序-calculation that evaluates the compilation process
- 2022-03-16 21:19:15下载
- 积分:1