Rainbow Electronics AT91CAP9S250A User Manual

Page 986

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986

6264A–CAP–21-May-07

AT91CAP9S500A/AT91CAP9S250A

47.10.11.2

RMII Mode

Figure 47-16. EMAC RMII Timings

Table 47-47. RMII Mode

Symbol

Parameter

Min (ns)

Max (ns)

EMAC

21

ETXEN toggling from EREFCK rising

2

16

EMAC

22

ETX toggling from EREFCK rising

2

16

EMAC

23

Setup for ERX from EREFCK rising

4

EMAC

24

Hold for ERX from EREFCK rising

2

EMAC

25

Setup for ERXER from EREFCK rising

4

EMAC

26

Hold for ERXER from EREFCK rising

2

EMAC

27

Setup for ECRSDV from EREFCK rising

4

EMAC

28

Hold for ECRSDV from EREFCK rising

2

EREFCK

ETXEN

ETX[1:0]

ERX[1:0]

ERXER

ECRSDV

EMAC

21

EMAC

22

EMAC

23

EMAC

24

EMAC

25

EMAC

26

EMAC

27

EMAC

28

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