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Showing results for tags 'ps2'.
i have been sucessful(somewhat) in interfacing a PS2 keyboard with MSP430. usually for about ~25 keystrokes it works perfectly. after that parity error occurs in data and data after the corrupt-data is also corrupt. im supply keyboard 5V from external source and using POT to convert 5V to 3V. communication with keyboard is at 20-25Khz and MSP430 is running at 16Mhz. thing i tried (and didnt worked :-( ): tried another keyboard. circular queue to store temp data and then timer A1 to extract and decode. note: if im able to get first n data's then why is their a problem after that. im having 4