Datasheet

DRAFT
1431
SAM3X / SAM3A [DATASHEET]
Atmel-11057C-ATARM-SAM3X-SAM3A-Datasheet_23-Mar-15
45.10.8.2 RMII Mode
Figure 45-39. EMAC RMII Timings
Table 45-60. RMII Mode
Symbol Parameter Conditions Min Max Unit
EMAC
21
ETXEN toggling from EREFCK rising
VDDIO from 3.0V to 3.6V,
maximum external capacitor = 20 pF
216
ns
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