用51单片机串口及595制作16X56LED显示屏(土产)

不错的字模提取软件。（转载）-A very good alphabet and character dot matrix generator

OHMETER/TEMPERATURE SENSING PROGRAM for pic16c5x

电源管理程序，可对linux环境下，省电模式的有效利用-power management procedures, the Linux environment, the power-saving mode the effective use

mx系列 Linux环境下 Audio的测试程序-mx series Linux environment Audio test procedures

由 Xilinx 提供的 IIC 接口，使用 AXI interface。 Features ‧ AXI interface is based on the AXI4-Lite interface ‧ Master or slave operation ‧ Multi-master operation ‧ Software selectable acknowledge bit ‧ Arbitration lost interrupt with automatic mode switching from master to slave ‧ Calling address identification interrupt with automatic mode switching from master to slave ‧ START and STOP signal generation and detection ‧ Repeated START signal generation ‧ Acknowledge bit generation and detection ‧ Bus busy detec ‧ Fast mode 400 KHz operation or standard mode 100 KHz ‧ 7-bit or 10-bit addressing ‧ General call enable or disable ‧ Transmit and receive FIFOs - 16 bytes deep ‧ Throttling ‧ General purpose output, 1 bit to 8 bits wide ‧ Dynamic Start and Stop generation ‧ Filtering on the SCL and SDA signals to eliminate spurious pulses

用TC064预分频计数0.2ms，使用show_6_digit(p)显示时间D用作数据口B用作片选 

嵌入式系统课件:嵌入式系统基础,嵌入式系统设计开发流程等共12章内容-Embedded systems software: the basis for embedded systems, embedded systems design and development processes, such as Chapter 12

针对ARM优化过的FFT算法。其中20点，64点，80点的FFT算法。笔者试着加入了256点的FFT -for ARM optimized FFT algorithm off. 20 points, 64 points, 80 points of the FFT algorithm. I tried to join the 256-point FFT

2232接收 232接收 -2232 receiver 232 to receive 232 to receive

51CPU快速crc检验-51CPU rapid test unicef.org