Datasheet

1129
SAM9G25 [DATASHEET]
11032D–ATARM–10-Mar-2014
46.18.5.4 RMII Mode
Notes: 1. See Note
(4)
of Table 46-45.
Figure 46-27.EMAC RMII Mode Signals
Table 46-47. EMAC RMII Timings
Symbol Parameter Min (ns) Max (ns)
EMAC
21
ETXEN toggling from EREFCK rising 2
(1)
16
(1)
EMAC
22
ETX toggling from EREFCK rising 2
(1)
16
(1)
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