Datasheet

1119
SAM9X25 [DATASHEET]
11054E–ATARM–10-Mar-2014
Figure 46-25.EMAC MII Mode Signals
46.18.4.4 RMII Mode
Notes: 1. See Note
(4)
of Table 46-42.
EMDC
EMDIO
ECOL
ECRS
ETXCK
ETXER
ETXEN
ETX[3:0]
ERXCK
ERX[3:0]
ERXER
ERXDV
EMAC
3
EMAC
1
EMAC
2
EMAC
4
EMAC
5
EMAC
6
EMAC
7
EMAC
8
EMAC
9
EMAC
10
EMAC
11
EMAC
12
EMAC
13
EMAC
14
EMAC
15
EMAC
16
Table 46-44. 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