SAM7X128_14 Datasheet, PDF (598/662 Pages) ATMEL Corporation – ARM-based Flash MCU

Table 38-24. EMAC RMII Specific Signals (Only for SAM7X512)
Symbol Parameter
EMAC₂₁
EMAC₂₂
EMAC₂₃
EMAC₂₄
EMAC₂₅
EMAC₂₆
EMAC₂₇
EMAC₂₈
ETXEN toggling from EREFCK rising
ETX toggling from EREFCK rising
Setup for ERX from EREFCK
Hold for ERX from EREFCK
Setup for ERXER from EREFCK
Hold for ERXER from EREFCK
Setup for ECRSDV from EREFCK
Hold for ECRSDV from EREFCK
Min (ns)
4.9
4.4
0.5
0
1.5
0
2
0
Figure 38-9. EMAC RMII Mode
EREFCK
ETXEN
ETX[1:0]
ERX[1:0]
ERXER
ECRSDV
EMAC₂₃
EMAC₂₄
EMAC₂₅
EMAC₂₆
EMAC₂₇
EMAC₂₈
Max (ns)
14.2
15.9
EMAC₂₁
EMAC₂₂
SAM7X Series [DATASHEET]
6120K–ATARM–11-Feb-14
598