Atmel Evaluation Kit AT91SAM9X25-EK AT91SAM9X25-EK Hoja De Datos
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AT91SAM9X25-EK
1118
SAM9X25 [DATASHEET]
11054E–ATARM–10-Mar-2014
Figure 46-24.Min and Max access time of EMAC output signals
46.18.4.3 MII Mode
Notes: 1. VDDIO from 3.0V to 3.6V, maximum external capacitor = 20 pF
2. See Note
EMDC
EMDIO
EMAC
3 max
EMAC
1
EMAC
2
EMAC
4
EMAC
5
EMAC
3 min
Table 46-43. EMAC MII Timings
Symbol
Parameter
Min (ns)
Max (ns)
EMAC
4
Setup for ECOL from ETXCK rising
10
EMAC
5
Hold for ECOL from ETXCK rising
10
EMAC
6
Setup for ECRS from ETXCK rising
10
EMAC
7
Hold for ECRS from ETXCK rising
10
EMAC
8
ETXER toggling from ETXCK rising
10
25
EMAC
9
ETXEN toggling from ETXCK rising
10
25
EMAC
10
ETX toggling from ETXCK rising
10
25
EMAC
11
Setup for ERX from ERXCK
10
EMAC
12
Hold for ERX from ERXCK
10
EMAC
13
Setup for ERXER from ERXCK
10
EMAC
14
Hold for ERXER from ERXCK
10
EMAC
15
Setup for ERXDV from ERXCK
10
EMAC
16
Hold for ERXDV from ERXCK
10