11.1.7.11.3 Ethernet MAC RMII Mode

Timings are provided in the following conditions:

1.8V domain: VDDIO from 1.7V to 1.9V, maximum external capacitor = 10 pF, DRV= 1, SR = 0
3.3V domain: VDDIO from 3.0V to 3.6V, maximum external capacitor = 10 pF, DRV= 0, SR = 0

Table 11-43. Ethernet MAC RMII Mode
Symbol	Parameter	Min	Max	Unit
GMAC₂₁	TXEN toggling from REFCK rising	2	16	ns
GMAC₂₂	TX[1:0] toggling from REFCK rising	2	16	ns
GMAC₂₃	Setup for RX[1:0] from REFCK rising	4	–	ns
GMAC₂₄	Hold for RX[1:0] from REFCK rising	2	–	ns
GMAC₂₅	Setup for RXER from REFCK rising	4	–	ns
GMAC₂₆	Hold for RXER from REFCK rising	2	–	ns
GMAC₂₇	Setup for CRSDV from REFCK rising	4	–	ns
GMAC₂₈	Hold for CRSDV from REFCK rising	2	–	ns

Figure 11-41. Ethernet MAC RMII Timings