AM2432 (AM2432BSDFHIALVR) and PHY for Gigabit communication, IO level is 3.3V, normal communication close to the PHY end of the test RGMII_TX signal line, found that the high level of the maximum of 2.66V, the low level of the minimum 0.66V.
According to the test data, we believe that the AM2432 IO port drive current is too weak to cause this problem, because the AM2432 IO pin drive ability can be enhanced? Configuration can be adjusted by where.
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