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com KS8721B/BT Micrel KS8721B/BT 2.
5V 10/100BasTX/FX MII Physical Layer Transceiver Rev.
2.
2 General Description Operating at 2.
5 volts to meet low voltage and low power requirements, the KS8721B/BT is a 10BaseT/100BaseTX/ FX Physical Layer Transceiver, which provides an MII to transmit and receive data.
It contains the 10BaseT Physical Medium Attachment (PMA), Physical Medium Dependent (PMD), and Physical Coding Sub-layer (PCS) functions.
Moreover, the KS8721B/BT has on-chip 10BaseT output filtering, which eliminates the need for external filters and allows a single set of line magnetics to be used to meet requirements for both 100BaseTX and 10BaseT.
The KS8721B/BT can a...

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