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keyboards

Scan Code Set 1 - Original XT scan code set supported by some modern keyboards 第一套掃描碼集--原始的XT掃描碼集某

Scan Code Set 1 - Original XT scan code set supported by some modern keyboards 第一套掃描碼集--原始的XT掃描碼集某些現代的鍵盤還支持

標簽： keyboards supported Original modern

上傳時間： 2014-08-15

上傳用戶：huql11633
Scan Code Set 2 - Default scan code set for all modern keyboards 第二套掃描碼集--所有現代鍵盤默認的掃描碼集

Scan Code Set 2 - Default scan code set for all modern keyboards 第二套掃描碼集--所有現代鍵盤默認的掃描碼集

標簽： keyboards Default modern Scan

上傳時間： 2013-12-20

上傳用戶：kristycreasy
基于單片機的數字化B超鍵盤設計

針對目前使用的RS232接口數字化B超鍵盤存在PC主機啟動時不能設置BIOS，提出一種PS2鍵盤的設計方法。基于W78E052D單片機，采用8通道串行A/D轉換器設計了8個TGC電位器信息采集電路，電位器位置信息以鍵盤掃描碼序列形式發送，正交編碼器信號通過XC9536XL轉換為單片機可接收的中斷信號，軟件接收到中斷信息后等效處理成按鍵。結果表明，在滿足開機可設置BIOS同時，又可實現超聲特有功能，不需要專門設計驅動程序，接口簡單，成本低。 Abstract: Aiming at the problem of the digital ultrasonic diagnostic imaging system keyboard with RS232 interface currently used couldn?蒺t set the BIOS when the PC boot， this paper proposed a design method of PS2 keyboards. Based on W78E052D microcontroller，designed eight TGC potentiometers information acquisition circuit with 8-channel serial A/D converter， potentiometer position information sent out with keyboard scan code sequentially.The control circuit based on XC9536 CPLD is used for converting the mechanical actions of the encoders into the signals that can be identified by the MCU， software received interrupt information and equivalently treatmented as key. The results show that the BIOS can be set to meet the boot， ultrasound specific functionality can be achieved at the same time， it does not require specially designed driver，the interface is simple and low cost.

標簽： 單片機 B超數字化鍵盤設計

上傳時間： 2013-10-10

上傳用戶：asdfasdfd
68HC05K0 Infra-red Remote Cont

The MC68HC05K0 is a low cost, low pin countsingle chip microcomputer with 504 bytes of userROM and 32 bytes of RAM. The MC68HC05K0 isa member of the 68HC05K series of devices whichare available in 16-pin DIL or SOIC packages.It uses the same CPU as the other devices in the68HC05 family and has the same instructions andregisters. Additionally, the device has a 15-stagemulti-function timer and 10 general purposebi-directional I/0 lines. A mask option is availablefor software programmable pull-downs on all ofthe I/O pins and four of the pins are capable ofgenerating interrupts.The device is ideally suited for remote-controlkeyboard applications because the pull-downs andthe interrupt drivers on the port pins allowkeyboards to be built without any externalcomponents except the keys themselves. There isno need for external pull-up or pull-down resistors,or diodes for wired-OR interrupts, as these featuresare already designed into the device.

標簽： Infra-red Remote Cont 05K

上傳時間： 2014-01-24

上傳用戶：zl5712176
用Java寫的報表.功能如下: 0.內建網絡打印,網絡預覽功能！ 1.文件操作。包括url 指定的文件。 2.全功能打印支持。包括打印預覽。 3.Undo 和 redo。 4.合并單元格。 5.Cel

用Java寫的報表.功能如下: 0.內建網絡打印,網絡預覽功能！ 1.文件操作。包括url 指定的文件。 2.全功能打印支持。包括打印預覽。 3.Undo 和 redo。 4.合并單元格。 5.Cell selection using the mouse or keyboards（快捷鍵支持）。 6.單元格高寬調整。 7.豐富的前景刷支持，前景可以是單色，雙色漸變，JPG,PNG,GIF圖形。 8.背景刷支持，前景可以是單色，雙色漸變，JPG,PNG,GIF圖形。 9.每個單元格支持空心字體，各其他一般字體。 10.每個單元格可設置為只讀。 11.每個單元格上下左右可分別高設置邊框，邊框線的寬度，顏色可調。 12.拖放操作。可在一個應用中的不同單元格拖放，也可在兩個應用的之間進行拖放。支持剪切和COPY兩種方式。 13.剪貼板功能。支持文本方式和全格式兩種方式。剪貼也允許在兩個應用之間進行。可以從EXCELL單元格中復制到本應用中。 14.單元格線，滾動條，行頭，列頭顯示可選. 15.支持公式定義,公式定義采用？作標記，如?sum(A1:B1)。 16.數字格式可自由定義，如 12345678, 可自動化為 12,345,678.00 。 17.豐富的頁腳頁眉屬性。具有以上3，4，5，6?，8，9，10，11，12，13，15,16，17各項功能。

標簽： Java Undo redo Cel

上傳時間： 2015-03-15

上傳用戶：熊少鋒
For developers who design and program devices that use the USB interface. Introduce the USB and hel

For developers who design and program devices that use the USB interface. Introduce the USB and help to get your devices and communicating as quickly and easily as possible.The USB is versatile enough for a wide range of peripheral devices. Standard peripherals that use USB include mice, keyboards, drives, printers, and audio/video devices. USB is also suitable for data-acquisition units, control systems, and other devices with specialized functions, including one-of-a-kind designs.

標簽： developers and USB Introduce

上傳時間： 2017-08-15

上傳用戶：dave520l

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keyboards

Scan Code Set 1 - Original XT scan code set supported by some modern keyboards 第一套掃描碼集--原始的XT掃描碼集某

Scan Code Set 2 - Default scan code set for all modern keyboards 第二套掃描碼集--所有現代鍵盤默認的掃描碼集

基于單片機的數字化B超鍵盤設計

68HC05K0 Infra-red Remote Cont

用Java寫的報表.功能如下: 0.內建網絡打印,網絡預覽功能！ 1.文件操作。包括url 指定的文件。 2.全功能打印支持。包括打印預覽。 3.Undo 和 redo。 4.合并單元格。 5.Cel

For developers who design and program devices that use the USB interface. Introduce the USB and hel