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Ethernet RA6M3 Transmit request fail.

tukaram

Hi,

Controller : RA6M3

PART NO: R7FA6M3AF3CFP

PHY: LAN8710A

 I referred the "r20an0560eu0121-ek-ra6m3-exampleprojects” this example code and I checked with “EK-RA6M3 evaluation board its working fine. I am able to ping.

Same configaration I did in custom board. I that I am getting Transmit request fail. I refer the ra6m3 datasheet there they mentioned " The EDTRR register controls EDMAC transmission. After the EDMAC transmits one frame, it reads the next descriptor. When the TD0.TACT bit in the descriptor is 1, the EDMAC continues transmission. When the TD0.TACT bit is 0, the EDMAC sets the TR bit to 0 and stops transmission." In my case the TR bit always 1. what might be the issue and how to resolve the same.

thanks,