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[SCM] CH341PAR.ZIP DL : 0: 键盘扫描LED驱动芯片ch451资料及c语言源代码-keyboard scan LED driver chip ch451 information and c language source code
Date : 2026-01-01 Size : 75kb User : nizq
[SCM] ccd DL : 0: 高速高分辨率CCD器件的实用化是近年图像采集领域的一个研究热点。选用科学级柯达新型高分辨率可见光面阵CCD KA I- 0304设计了一种高速图像采集系统。该系统采用KSC - 100作为时序发生器驱动面阵CCD 和信号处理器AD9840A, 实现对CCD面阵输出模拟信号的高速A /D转换, 并将信号快速转存至片外SDRAM 存储器, 经USB 采集系统将数据发送到计算机。系统采用相关双采样( CDS)技术滤除信号中的相关噪声, 提高了系统的信噪比, 采集速度达40Mb it / s, 具有集成度高、低噪声、数据传输速度快等特点。经测试, 系统工作稳定, 为高端科学级CCD面阵的实用化提供了一种设计方案。-The applicat ion of h igh speed and high reso lution CCD is a research ho tspot in im age ac􀀁 quisit ion fie ld. A high speed image acqu isition system is introduced and designed by using a new high reso lution sc ientific leve l v isible light area CCD KA I- 0304. In the design, area CCD and signa l processor AD9840A are driven by using KSC- 100 as the tim ing and driv ing c ircuit and then the conversion o f h igh speed A /D for the CCD output o f analog signal is performed. The generated data signa l is qu ickly transferred to ex terna l SDRAM m emory. Fina lly, data w ill be sent to a computer via USB acqu isition system. Furthermo re, correlated double sampling( CDS) techno logy is adopted in the sys􀀁 tem to remove the relevant signa l no ise and the signal- to- no ise ration( SNR) is improved. The acqui􀀁 sition speed is up to 40Mbit/s. The system is featured by high integration, low no ise, h igh speed data transm ission. A fter test ing, the s
Date : 2026-01-01 Size : 253kb User : 胡
[SCM] DOSC DL : 0: DOS-C version 1.0 Beta 2 for PC/XT/AT/AT386/AT486 免费的 DOS 操作系统及完全的源代码，可用于工业控制，嵌入系统等，不需要支付额外的费用。兼容 MS-DOS Directory Structure ------------------- dos-c root directory +-----dist holds image of distribution disk +-----doc documentation directory +-----hdr common *.h files +-----lib LIBM.LIB and DEVICE.LIB +-----src source directories for: +--------+-----boot boot.bin +--------+-----command COMMAND.COM and HELP.EXE +--------+-----drivers DEVICE.LIB +--------+-----fs common kernel and ipl fs manage files +--------+-----ipl IPL.SYS +--------+-----kernel KERNEL.EXE +--------+-----misc miscellaneous files for kernel and ipl +--------+-----tmp +--------+-----utils SYS.EXE-his diskette contains DOS-C version 1.0 Beta 2 for PC/XT/AT/AT386/AT486 computers. This is the December 6, 1998 release in an ongoing project. There is a companion book, "The FreeDOS Kernel" (ISBN: 0-87930-436-7) published by R&D Books, an imprint of Miller Freeman of Lawrence, Kansas (USA) and distributed in the USA and Canada by Publishers Group West.
Date : 2026-01-01 Size : 600kb User : king
[SCM] Blinky_ADC DL : 0: 使用到I/O控制、定时器、串口和液晶屏显示，程序每秒钟往串口打印一次PC2处的AD值，液晶屏同时也通过进度条及数值两种方式将AD值显示出来。串口使用USB-COM接口，波特率为115200，无硬件流控制。-The Blinky project is a simple program for the STM32F407Z microcontroller using STM STM3240G-EVAL Evaluation Board, compliant to Cortex Microcontroller Software Interface Standard (CMSIS v2.0). Example functionality: - Clock Settings: - XTAL = 25.00 MHz - SYSCLK = 168.00 MHz - Sys Timer is used in interrupt mode - LED blink with speed depending on potentiometer position - colour LCD display shows init message and bargraph depending on potentiometer position - AD settings: 12 bit resolution - AD value is output onto serial port UART4 UART4 settings: 115200 baud, 8 data bits, no parity, 1 stop bit The Blinky program is available in different targets: STM32F407 Flash: runs from Internal Flash located on chip (used for production or target debugging) STM32F407 RAM: runs from Internal RAM located on chip (may be used for target d
Date : 2026-01-01 Size : 732kb User :