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sinara-hw / Humpback

General purpose STM32/ESP32/OrangePi/Beaglebone baseboard with FPGA and 2 downstream / 1 upstream EEM ports
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EEM signals have reversed polarity #9

Open airwoodix opened 5 years ago

airwoodix commented 5 years ago

According to the discussion in m-labs/migen#181, FPGA A pins are negative and B pins are positive which is the contrary of rev. 1.