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crystal

  • Heart-RateFitness Monitors Go Wireless

    Abstract: This article explains the recent trend in heart-rate and fitness monitors to go wireless toeliminate cables to allow free movement, and allow convenient data collection without the need to plug intheir devices. It details a typical wireless system, using the MAX1472 crystal-referenced phase-lockedloop (PLL) VHF/UHF transmitter.

    標(biāo)簽： Heart-RateFitness Monitors Wireless Go

    上傳時間： 2013-11-11

    上傳用戶：xiaowei314

  • pcb layout規(guī)則

    LAYOUT REPORT .............. 1   目錄.................. 1     1. PCB LAYOUT 術(shù)語解釋(TERMS)......... 2     2. Test Point : ATE 測試點供工廠ICT 測試治具使用............ 2     3. 基準(zhǔn)點 (光學(xué)點) -for SMD:........... 4     4. 標(biāo)記 (LABEL ING)......... 5     5. VIA HOLE PAD................. 5     6. PCB Layer 排列方式...... 5     7.零件佈置注意事項 (PLACEMENT NOTES)............... 5     8. PCB LAYOUT 設(shè)計............ 6     9. Transmission Line ( 傳輸線 )..... 8     10.General Guidelines – 跨Plane.. 8     11. General Guidelines – 繞線....... 9     12. General Guidelines – Damping Resistor. 10     13. General Guidelines - RJ45 to Transformer................. 10     14. Clock Routing Guideline........... 12     15. OSC & crystal Guideline........... 12     16. CPU

    標(biāo)簽： layout pcb

    上傳時間： 2013-10-29

    上傳用戶：1234xhb

  • This program provides an example of how to configure the C8051F02x device to operate from an extern

    This program provides an example of how to configure the C8051F02x device to operate from an external 22.1184MHz crystal attached to the XTAL1 andXTAL2 pins. Also enables Missing Clock Detector.

    標(biāo)簽： C8051F02x configure provides program

    上傳時間： 2014-01-09

    上傳用戶：1079836864

  • RFID實現(xiàn)代碼

    RFID實現(xiàn)代碼，可以通過iic接口操作，通過這個程序可以快速完成自己項目的開發(fā)。 Description: AT89S52 Firmware for HY502 Serial Reader This project is designed for HY502XX OSC use 11.0592MHz crystal.

    標(biāo)簽： RFID 代碼

    上傳時間： 2014-08-16

    上傳用戶：xymbian

  • 串口通信程序 SP23x8 demo.c source file SP2328/SP2338 serial communication example for MCS-51 MCU (oscill

    串口通信程序 SP23x8 demo.c source file SP2328/SP2338 serial communication example for MCS-51 MCU (oscillating crystal: 11.0592MHz)

    標(biāo)簽： communication SP example source

    上傳時間： 2013-12-05

    上傳用戶：duoshen1989

  • IO 驅(qū)動 LCD , *** *** *** *** *** *** *** *** FILE NAME: IO_LCD MCU: HT46R22 MASK OPTION: WAKE-U

    IO 驅(qū)動 LCD , *** *** *** *** *** *** *** *** FILE NAME: IO_LCD MCU: HT46R22 MASK OPTION: WAKE-UP: PA6,PA7 PULL-HIGH: PA,PB,PC IIC: DISABLE PFD: DISABLE PWM: DISABLE WDT: ENABLE CLRWDT: ONE WDT CLOCK SOURCE: T1 WDT TIME OUT SELECT: WDT CLOCK SOURCE/32768 LVR: DISABLE OSC: crystal SYSVOLT: 3.0V SYSFRAG: 4000KHZ AUTHOR: RADOME HISTORY: 2005.08.

    標(biāo)簽： IO_LCD OPTION WAKE-U FILE

    上傳時間： 2014-12-21

    上傳用戶：watch100

  • ST7529液晶驅(qū)動 The ST7529 is a driver & controller LSI for 32 gray scale graphic dot-matrix liquid cryst

    ST7529液晶驅(qū)動 The ST7529 is a driver & controller LSI for 32 gray scale graphic dot-matrix liquid crystal display systems. It generates 255 Segment and 160 Common driver circuits. This chip is connected directly to a microprocessor, accepts Serial Peripheral Interface (SPI), 8-bit/16-bit parallel or IIC display data and stores in an on-chip display data RAM. It performs display data RAM read/write operation with no external operating clock to minimize power consumption. In addition, because it contains power supply circuits necessary to drive liquid crystal, it is possible to make a display system with the fewest components.

    標(biāo)簽： 7529 controller dot-matrix graphic

    上傳時間： 2013-12-02

    上傳用戶：奇奇奔奔

  • 用java顯示水晶報表的簡單例子

    用java顯示水晶報表的簡單例子，crystal Reports XI Release 2

    標(biāo)簽： java 報表

    上傳時間： 2013-12-20

    上傳用戶：梧桐

  • All programs were tested using a breadboard containing a DS80C320, 32K Program memory, 32K Data me

    All programs were tested using a breadboard containing a DS80C320, 32K Program memory, 32K Data memory, two 8-segment bar graph LEDs/drivers, and an 11.0592 MHz crystal. The four 8-segment bar graph LEDs/drivers were connected to ports 1, and 3 to display their pins states.

    標(biāo)簽： breadboard containing 32K programs

    上傳時間： 2016-03-29

    上傳用戶：qq1604324866

  • vs2005關(guān)于水晶報表的實例

    vs2005關(guān)于水晶報表的實例，本節(jié)向您介紹在 crystal Reports 中創(chuàng)建報表所需的基礎(chǔ)知識。首先您將了解報表設(shè)計環(huán)境，然后學(xué)習(xí)如何選擇數(shù)據(jù)庫表、在報表上放置對象以及如何排序、分組和總計報表數(shù)據(jù)。

    標(biāo)簽： 2005 vs 報表

    上傳時間： 2016-07-15

    上傳用戶：

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