Transcription of Features RISC Microcontroller family that includes, among ...
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Features RISC Microcontroller family that includes, among ...
AVR 8-bit Microcontrollers AVR201: Using the AVR Hardware Multiplier APPLICATION NOTEF eatures 8- and 16-bit implementations Signed and unsigned routines Fractional signed and unsigned multiply Executable example programsIntroductionThe Atmel megaAVR 8-bit Microcontrollers is a series of devices in theAVR RISC Microcontroller family that includes, among other newenhancements, a hardware multiplier. This multiplier is capable of multiplyingtwo 8-bit numbers, giving a 16-bit result using only two clock cycles. Themultiplier can handle both signed and unsigned integer and fractionalnumbers without speed or code size penalty. The first section of thisdocument will give some examples of using the multiplier for 8-bit Note-10/2016 Table of 1 Basic 2 Special 3 Multiply-accumulate x 16-bit = 16-bit 16-bit x 16-bit = 16-bit x 16-bit = 24-bit x 16-bit = 32-bit 4 Basic Usage 16-bit x 16-bit = 32-bit Integer Multiply-accumulate Fractional 5 Basic Usage 8-bit x 8-bit = 16-bit Signed Fractional 6 Multiply-accumulate on AVR201: Using the AVR Hardware Multipli
3. 16-bit Multiplication The new multiply instructions are specifically designed to improve 16-bit multiplication. This chapter presents solutions for using the …
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