Realtek PHY chip - 데이터시트
자주 찾는데, 보관용으로 하나 포스팅
MDC/MDIO 파형을 볼려구 했는데, 일단 그림도 캡쳐해 두고
파형을 보면 간단한 동작은 간단히 구현 가능~~
겸사겸사 간단한 설명도 스크랩
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| Single-Port 10/100M Fast Ethernet PHYceiver | | | | General Description | The RTL8201BL is a single-port PHYceiver with an MII (Media Independent Interface). It implements all 10/100M Ethernet Physical-layer functions including the Physical Coding Sublayer (PCS), Physical Medium Attachment (PMA), Twisted Pair Physical Medium Dependent Sublayer (TP-PMD), 10Base-Tx Encoder/Decoder and Twisted Pair Media Access Unit (TPMAU). A PECL interface is supported to connect with an external 100Base-FX fiber optical transceiver. The chip is fabricated with an advanced CMOS process to meet low voltage and low power requirements.
 RTL8201BL.PDF
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