Transcription of USB Keyboard Using MSP430 Microcontrollers - …
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USB Keyboard Using MSP430 Microcontrollers - …
1 SLAA514 December2011 SubmitDocumentationFeedbackCopyright 2011,TexasInstrumentsIncorporatedUSBK eyboardUsingMSP430 MicrocontrollersApplicationReportSLAA514 December2011 USBK eyboardUsingMSP430 MicrocontrollersDavidRacine,Luis applicationreportdescribesa low-costhighly-flexiblecompositeUSBkeybo ardimplementationbasedon MSP430F5 includedallowingfor an easyimplementationand documentexplainsbasicnecessaryconceptsbu t familiaritywiththe MSP430 USBD evelopersPackage( MSP430 USBDEVPACK) and USBHID specificationis additionalinformationdescribedin this applicationreportcan be of Figures1 Key a Key a Key "Ghost" Key HID of Tables1 VID/PIDU sedby the December2011 SubmitDocumentationFeedbackCopyright 2011,TexasInstrumentsIncorporatedUSBK eyboardUsingMSP430 MicrocontrollersTrademarksMSP430,CodeCom poserStudioare trademarksof EmbeddedWorkbenchis a trademarkof IAR applicationreportdescribesthe implementationof a USBkeyboardwith the followingcharacteristics: 101 keys,2 LEDs:standardHID keyboardand LEDusage 16x8matrix:allowsfor easycustomizationof differentkeyboardlayouts CompositeUSBdevice:In additionto the keyboardinterface,it includesan HID-datapipeback-channelwhichcan be usedto transmitany customdata HID bootprotocolsupport,allowingkeyboardto be usedto interfacewith
Application Report SLAA514– December 2011 USB Keyboard Using MSP430™ Microcontrollers David Racine, Luis Reynoso.....
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