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I2C Communication between STM32 and SE050 - R-APDU body missing

Question asked by Elshadai Genesis on Feb 26, 2020
Latest reply on Jul 10, 2020 by Ronan PREZIOSO

Hello team,


I'm performing an i2c communication between OM-SE050ARD (SE) and STM32F030R8 Nucleo (Master). I'm able to get the response. But whenever I perform an operation (say "Get_Version" or "Digest_OneShot"), I only get the Header part and the CRC as response. The actual response body is not displayed. My output is always seen as "A5, 90, 00, FB, E9". Is there any particular command I need to send for the actual response? Any leads would be much appreciated.