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PCF8563的C51程序设计
- I2C总线驱动程序(用两个普通IO模拟I2C总线) 包括100Khz(T=10us)的标准模式(慢速模式)选择, 和400Khz(T=2.5us)的快速模式选择, 默认11.0592Mhz的晶振。-I2C Bus Driver (using two ordinary analog IO I2C Bus) include 100Khz (T = 10us) standard mode (slow mode) choice, and 400Khz (T = 2.5us) Fast
pcf8563t驱动程序
- PCF8563 的驱动程序,用两个普通的IO口模拟I2C总线,包括100KHZ(T=10US)的标准模式选择和400KHZ的快速模式选择,默认11.0592MHZ的晶振-PCF8563 of the driver, with two ordinary analog IO I2C bus, including the extremely low distortion (T = 10US), the standard model selection and 400KHZ fast mode sele
luojifenxiyi
- 逻辑分析仪 PC发送到单片机的命令共7个字节: 第一字节是触发信号,每bit对应一路信号,1为高电平触发,0为低电平触发; 第二字节是触发有效信号,每bit对应一路信号,1为忽略,0为有效; 第三、四字节是采样时间,对应如下: 2us=0x0402,5us=0x0a02,10us=0x1402,10us=0x2802,50us=0x6402,100us=0xc802,200us=0x3203,500us=0x7d03,1ms=0xfa03,2ms=0x7d04,4ms
548648I2C_for_8051
- I2C软件模拟I2C总线的驱动程序,包括100KHz(T=10us)的慢速模式和400KHz(T=2.5us)的快速模式。
pwm_oem
- MCU主频12MHz,软PWM控制IO模拟。PWM脉宽调节10uS PWM频率20mS=50Hz, PWM高电平脉宽700uS~2300uS,PWM低电平脉宽19300uS~17700uS \"零耗时\"并非不耗时。只是没用软件空等待等恼人的函数。 其主要原理是利用低频宽脉冲软PWM信号的“低速”而T2的16位定时器自动装载功能。 T2在每个PWM周期内中断两次。即PWM高电平和PWM低电平各中断1次。 合理应用RCAP2的预装载功能并进行简单的减法运算而轻松完成任务的
TCmain_sucess
- 基于TLC2543AD转换芯片的探测仪程序 描述:TLC2543AD芯片为串行12位AD转换芯片,10us的转换时间,11路 模拟输入通道,全串行操作 程序功能:将TLC2543芯片转换得到的数据有条件的发送到PC机 附加功能:将采样结果送出到数码管上显示 操作说明:该程序根据N(需要采样的通道数)的值来进行通道采样 从0通道开始,最大为10,不能超过10,否则出错,采集到的数据 保存到以DBUF定义的起始地址单元中,数据位数为12位.发
tlc5620
- 5620介绍TLC5620 8 位、10us 四路 DAC,串行输入、1x 或 2x 输出可编程、同步更新、低功耗 -5620 introduced TLC5620 8 位, 10us Quad DAC, Serial Input, 1x or 2x Output programmable, synchronous updates, low-power
rs485
- 操作串口直接进行RS485多机通信的类。单片机下485多机通信很容易,用UART的Bit9即可,Windows下就麻烦得多,Windows下串口Bit9用作奇偶校验,要切换Bit9就要动态改通信格式,而且切换时间要跟得上单片机的us级时间。这个自己写的Class用独立线程、Windows高精度定时器机制,高速切换Bit9,示波器测量,时间在10us左右,已用于门禁系统多年,长时间运行可靠! -Direct RS485 serial port operation multi-machine c
PCF8563TIIC
- 1. I2C总线驱动程序(用两个普通IO模拟I2C总线) 2.包括100Khz(T=10us)的标准模式(慢速模式)选择, 3. 和400Khz(T=2.5us)的快速模式选择, -1. I2C bus driver (with two common I2C bus IO simulation) 2. Including 100Khz (T = 10us) standard mode (slow mode) choice, 3. And 400Khz (T = 2.5us) the
Digitalfrequencymeter
- 测量范围从1Hz—10kHz的正弦波、方波、三角波,时基宽度为1us,10us,100us,1ms。用单片机实现自动测量功能。-Measurement range from 1Hz-10kHz sine wave, square wave, triangle wave, when the base width of 1us, 10us, 100us, 1ms. Automatic measurement with MCU function.
shuzipinlvji
- 本数字频率计将采用定时、计数的方法测量频率,采用一个1602A LCD显示器动态显示6位数。测量范围从1Hz—10kHz的正弦波、方波、三角波,时基宽度为1us,10us,100us,1ms。用单片机实现自动测量功能。-This digital frequency meter will use fixed time, the counting method survey frequency, uses 1602The LCD monitor dynamic to demonstrate 6 fi
C51BBS_I2C_V2
- I2C总线驱动程序(用两个普通IO模拟I2C总线) 包括100Khz(T=10us)的标准模式(慢速模式)选择, 和400Khz(T=2.5us)的快速模式选择, 默认11.0592Mhz的晶振。-I2C bus driver (with two general IO simulation I2C bus) includes a 100Khz (T = 10us) standard mode (slow mode) option, and 400Khz (T = 2.5us) the
webct
- lcd driver -- LCD Driver Module for driving HD44780 Controller -- A. Greensted, June 2007 -- Information source: -- Generic tickNum must be set such that: -- tickNum = 10us / Period clk -- This provides an internal tick every 10us --
lcdd
- Generic tickNum must be set such that: -- tickNum = 10us / Period clk -- This provides an internal tick every 10us -- Clk: 100 MHz, tickNum: 1000 -- Clk: 32 MHz, tickNum: 320 -- Clk: 10 MHz, tickNum: 100 -Generic tickNum must be set such
V6.1.09.04.08
- 计时器,51源码,芯片是77E58,精度是10uS,上升沿,下降沿,脉宽都可以测量,8路同时测量,10个数据存储,指标就这样了-Timer, 51 source code, chip is 77E58, precision is 10uS, rising edge, falling edge, pulse width can be measured, 8-channel simultaneous measurement, 10 data storage, so the indicators
IIRfilterdesign
- IIR滤波器设计 设计一个巴特沃思低通滤波器,其技术指标为:3dB带宽为,阻带截止频率为,阻带衰减大于30dB,采样间隔T=10us。-IIR filter design to design a Butterworth low-pass filter, its technical indicators: 3dB bandwidth, stopband cut-off frequency, stop-band attenuation greater than 30dB, sampling in
sqrt
- 实现对32位定点数的开方,60M主频28015硬件下运行时间小于10us-function of sqrt
fft_ifft
- 定点化Complex16快速基4 FFT(IFFT)代码,使用SSE针对Intel CPU优化,支持阶数4-4096 其中计算4096阶FFT仅需10us-Fixpoint (Complex16) base 4 FFT code, using SSE to optimize for Intel CPU, supporting order of 4-4096
8653t
- 8653t〗I2C总线驱动程序(用两个普通IO模拟I2C总线) 3 包括100Khz(T=10us)的标准模式(慢速模式)选择, 4 和400Khz(T=2.5us)的快速模式选择, 5 默认11.0592Mhz的晶振。-The 8653t〗 I2C bus driver (with two general IO simulation I2C bus) including at 100Khz (T = 10us), standard mode (slow mode) to selec
c51i2
- I2C总线驱动程序(用两个普通IO模拟I2C总线) 包括100Khz(T=10us)的标准模式(慢速模式)选择-I2C bus driver (choose two general IO simulation I2C bus) 100Khz (T = 10us) standard mode (slow mode)