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Keywords: Phyworks, Atmel, mega8, mega88, SFP, optical transceiver, VCSEL driver, laser driver, limiting amplifier, digital diagnostics, Fibre Channel
Related Parts

APPLICATION NOTE 4909

PHY1070/PHY1075 Reference Firmware

Abstract: The firmware embedded in the Atmel® mega8 and mega88 microcontrollers is used on the SFP reference modules of the PHY1070/PHY1075 combined drivers/limiting amplifiers with digital diagnostics. The firmware enables the evaluation of these Phyworks optoelectronic devices in a transceiver module. The application note describes this firmware, but due to the changing nature of the reference design, limits the discussion to general structure and methodology.

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