LPC1766 Datasheet, PDF (55/70 Pages) List of Unclassifed Manufacturers – 32-bit ARM Cortex-M3 microcontroller;

NXP Semiconductors
11.9 Ethernet
Table 17. Dynamic characteristics: Ethernet MAC pins
Symbol
Parameter
Ethernet MAC signals for MIIM
t_MDC
MDC cycle time
t_d(MDIO)
MDIO write data valid time
t_tahz(MDIO)
MDC clock risetime to high impedance (turn around)
t_su(MDIO)
MDIO read data set-up time
t_h(MDIO)
MDIO read data hold time
Ethernet MAC signals for RMII
t_su(RXD)
t_ih(RXD)
t_su(RXER)
t_ih(RXER)
t_su(CRS)
t_ih(CRS)
t_d(TXEN)
t_oh(TXEN)
t_d(TXD)
t_oh(TXD)
receive data set-up time
receive data hold time
receive error set-up time
receive error hold time
carrier sense set-up time
carrier sense hold time
transmit enable valid delay time
transmit enable hold time
transmit data valid delay time
transmit data hold time
LPC1766 _Min
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ENET_MDC
ENET_MDIO(O)
ENET_MDIO (I)
Fig 24. Ethernet MAC MIIM timing
t_MDC
t_d(MDIO)
t_tahz(MDIO)
t_su(MDIO) t_h(MDIO)
002aad990
LPC1766_0.02
Objective data sheet
Rev. 00.02 — 12 August 2008
© NXP B.V. 2008. All rights reserved.
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