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leddisp
- 利用查表程序可以完成BCD与七段码的转换,从而取代硬件七段译码电路,查表程序本身并无复杂之处,需要注意的是七段码的取值,因为七段数码管有共阳极及共阴极之分(参考本站数码管的相关文章)。 共阳极是低电平有效时有效输入。共阴极是高电平时有效输入(所以在C51单片机要使发光二极管点亮,数码管是共阳极的就要让I/O口的电位变为低电位.如果是共阴极的就是合I/O口的电位变为高电位),因些不同的器件会有不同的数码值。另外引脚信号与码位的对应关系也会影响码值,即引脚可以由高到低排列(7-1),也可
BCD
- Binary-Coded Decimal source code
PIC-MCU-learning-essential-2
- pic-mcu单片机编程必备知识,包含Sizeof-strlen,void,volatile,union,ASCII,BCD,等-pic-mcu microcontroller programming knowledge necessary, including Sizeof-strlen, void, volatile, union, ASCII, BCD, etc.
dsp4-tms320f2812
- 除法计算:把用除以10的办法二进制数转成BCD码例子-Division calculation: 10 ways to use the binary number divided by the converted BCD code example
27
- 一个用c51写的DS1302的时钟程序,适用于8051单片机等-C51 write a 16 hex with BCD code transfer procedures, for 8051, etc.
clock
- clk: 标准时钟信号,本例中,其频率为4Hz; clk_1k: 产生闹铃音、报时音的时钟信号,本例中其频率为1024Hz; mode: 功能控制信号;为0:计时功能; 为1:闹钟功能; 为2:手动校时功能; turn: 接按键,在手动校时功能时,选择是调整小时,还是分钟; 若长时间按住该键,还可使秒信号清零,用于精确调时; change: 接按键,手动调整时,每按一次,计数器加1; 如果长按,则连续快速加1,用于快速调时和定时; hour,min,se
2to10
- 2 to 10 bcd under vhdl langage in maxplus2 good one
Math
- 单片机C语言数学运算程序,任意长度的BCD码加法运算,任意长度BCD码减法运算,可以直接嵌入程序中使用。-IT IS BCD CODE ADD,BCD CODE SUB ,YOU CAN USE IT IN YOUR PROGRAMM,.
SCM-utility-subroutine4
- 本资料具体程序:利用单片机将双字节BCD码小数转换成双字节16进制小数-This material specific procedures: microcontroller will double byte BCD decimal convert double byte hexadecimal decimal
HEX_BCD
- hexa to bcd signal program
hw4
- Write VHDL codes to show, on two 7-segment LEDs, the binary coded decimal (BCD) equivalence of the binary representation of the state of eight switches. Use a function to perform the specified task. Assume that the 7-segment LEDs are turned on with l
ymq.ppt.tar
- 掌握二-十进制(BCD码)异步计数器的工作原理和设计方法; 掌握中规模集成二-五-十进制异步计数器74LS90的功能及其应用;-Master II- Decimal (BCD code) the principle and an asynchronous counter design grasp the scale of integration in two- five- Decimal asynchronous counter 74LS90 features and applicatio
math-functions
- 微控制器具有较强的加、减、乘、除等数学运算功能,这些运算可直接对8位无符号二进制数进行运算。利用溢出标志,还可以把加、减法运算用于有符号数的运算;用十进制调整指令,又可使加法运算直接用十进制(BCD码)来进行。-Micro-controller has strong add, subtract, multiply, divide and other math functions, these operations can be directly on the 8-bit unsigned bin
at89c51-7segBCD-asm
- 7SEG BCD 8051 in assembly language
at89c51-7SEGBCD-Schematics
- Schematics of 7SEG bcd counter 8051
util_old.c
- utility file to convert from one format to another like bcd to hex etc
dip-switch
- 功能简介: DIP拨码开关控制8个LED灯演示程序 跳线设置: 将将LED、K1~K5左边前4个端子、SW端子用短路冒短接,并将其他无关模块的短路冒拔除 从拨码开关的上侧看去,程序拨码状态,经过BCD译码之后,转化为16进制显示在指示灯上-Features: DIP DIP switch control 8 LED lights demo Jumper settings: Will be LED, K1 ~ K5 le
dip-switch1
- 功能简介: DIP拨码开关控制8个LED灯演示程序 跳线设置: 将将LED、K1~K5左边前4个端子、SW端子用短路冒短接,并将其他无关模块的短路冒拔除 从拨码开关的上侧看去,程序拨码状态,经过BCD译码之后,转化为16进制显示在指示灯上-Features: DIP DIP switch control 8 LED lights demo Jumper settings: Will be LED, K1 ~ K5 le
1602-frquency
- 频率计的程序:包含外部中断设置,中断服务程序,定时程序,定时服务程序 以及数据处理,显示,包括 三位十进制数转化为四位BCD码。-Frequency Counter program: Includes external interrupt settings, the interrupt service routine, regular program, regular service program and data processing, display, including three o
bcd_conver
- ATMEL 8051 bcd conversion