KSZ8081MNX Datasheet, PDF(13/66 Page) Micrel Semiconductor – 10Base-T/100Base-TX Physical Layer Transceiver

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KSZ8081MNX Datasheet, PDF (13/66 Pages) Micrel Semiconductor – 10Base-T/100Base-TX Physical Layer Transceiver

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KSZ8081MNX/RNB

Note 2-2

Note 2-3

= Input with internal pull-up (see Electrical Characteristics for value) and output with internal pull-up

(see Electrical Characteristics for value). NC = Pin is not bonded to the die.

RMII RX Mode: The RXD[1:0] bits are synchronous with the 50 MHz RMII Reference Clock. For each

clock period in which CRS_DV is asserted, two bits of recovered data are sent by the PHY to the

MAC.

RMII TX Mode: The TXD[1:0] bits are synchronous with the 50MHz RMII Reference Clock. For each

clock period in which TXEN is asserted, two bits of data are received by the PHY from the MAC.

ï£ 2016 Microchip Technology Inc.

DS00002202A-page 13

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