标签: key

KeyPapersinTheDevelopmentofCodingTheory,IEEEPress

KeyIssuesinRFandRFICCircuitDesign

LC75700T-DKeyScanningLSI.PDF

06-RS-422vsRS-485SimilaritiesandKeyDifferences.pdf

介绍目前市场上兴起的U盘和USBKEY产品，并以ST72F651专用芯片为例，介绍基本型和增强型两种安全U盘的软硬件设计原理。ST72F651是ST公司专门针对U盘+USBKEY产品而设计开发的一款高性能、低功耗的控制器芯片，用于开发此类产品非常方便。此外，还对安全U盘的市场前景和应用领域进行了分析。……

KEYECH-14型单色显示器的电源电路图……

嵌入式系统工程嵌入式系统概论五嵌入式系统工程北京大学软件与微电子学院嵌入式系统概论工程-目的TointroduceembeddedsoftwareengineeringconceptsToexplainsembeddedsoftwaredevelopmentlifecycleTointroducethetoolchainsinembeddedsoftwaredevelopment北京大学软件与微电子学院嵌入式系统概论工程-主要内容IntroductionofEmbeddedSoftwareEngineeringEmbeddedSoftwareProcessModelsEmbeddedSoftwareEngineeringTechnologiesKeyTrendsSummary北京大学软件与微电子学院嵌入式系统概论Introduction(1)ThreeGenericPhasesofEngineeringProcessDefinitionDevelopment……

可1～24键设计，电路简单……

按键……

【应用笔记】AN512:使用StratixIII器件的设计安全特性(AN512:UsingtheDesignSecurityFeatureinStratixIIIDevices)在如今的充满高度竞争的商业和军事环境中，对数字设计师们来说设计安全来说是一个重要的考量。Intoday’shighlycompetitivecommercialandmilitaryenvironments,designsecurityisbecominganimportantconsiderationfordigitaldesigners.AsFPGAsstarttoplayaroleinlargerandmorecriticalsystemcomponents,itisevermoreimportanttoprotectthedesignsfromunauthorizedcopying,reverseengineering,andtampering.Stratix®IIIdevicesaddresstheseconcernswiththeabilitytodecryptaconfigurationbitstreamusingthe256-bitAdvancedEncryptionStandard(AES)algorithm,anindustrystandardencryptionalgorithm.AN512:UsingtheDesignSecurityFeatureinStratixIIIDevicesMarch2009AN-512-1.1IntroductionIntoday’shighlycompetitivecommercialandmilitaryenvironments,designsecurityisbecominganimportantconsiderationfordigitaldesigners.AsFPGAsstarttoplayaroleinlargerandmorecriticalsystemcomponents,itisevermoreimportanttoprotectthedesignsfromunauthorizedcopying,reverseengineering,andtampering.StratixIIIdevicesaddresstheseconcernswiththeability……

根据需要选择软件或硬件加密Maxim>DesignSupport>TechnicalDocuments>Tutorials>GeneralEngineeringTopics>APP5421Maxim>DesignSupport>TechnicalDocuments>Tutorials>Microcontrollers>APP5421Keywords:cryptography,algorithm,securemicro,cia,financialterminal,HSM,hardwaresecuritymodule,secretkey,ibutton,smartcardMay25,2012TUTORIAL5421CryptographyinSoftwareorHardware―ItDependsontheNeedMay25,2012Abstract:Asthelengthofsoftwarekeysincreasestoaccommodateevolvingneedsforgreatersecurity,sothemarketplacedemandsawidervarietyofcryptographicimplementations.Withrecentimprovementsincoredesignandfrequencyperformance,designersarenowa……

KeyTogglesof代码……

零死角玩转stm32-初级篇7、KEY（Polling）……

按键控制数码管输出0——9……

按键控制LED……

按键控制数码管输出0——9……

消抖KEY控制LED……

按键消抖控制数码管显示0——9……

按键信号/*----------------------------------------------------------Engineer:zhrscut--CreateDate:--ModuleName:--ToolVersions:Quartus_II9.1---EEPWFPGA°DIY------------------------------------------------------*/modulekey_led(key,led);input[7:0]key;output[7:0]led;wire[7:0]led;wire[7:0]key;assignled=~key;endmodule……