Rainbow-electronics W90P710CDG Uživatelský manuál stáhnout pdf (Strana 520)

W90P710CD/W90P710CDG

Publication Release Date: September 19, 2006

- 521 - Revision B2

7.3.4 EMC RMII AC Characteristics

The signal timing characteristics conforms to the guidelines specified in IEEE Std. 802.3.

PHY_TXD[1:0]

PHY_RXD[1:0]

SYMBOL DESCRIPTION MIN TYP MAX UNIT

RMII reference clock frequency 50 MHz

RMII clock duty 35% 50% 65% ns

Transmit data output delay 5 - 15 ns

Transmit data hold time 2 - - ns

Receive data setup time 4 - - ns

Receive data hold time 2 - - ns

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Rainbow-electronics W90P710CDG Uživatelský manuál Strana 520