Datasheet

Table Of Contents
RMIII Mode
Table 54-62. GMAC RMII Mode Timings
Symbol Parameter Min. Max. Units
GMAC
21
ETXEN toggling
from EREFCK
rising
2 16 ns
GMAC
22
ETX toggling from
EREFCK rising
2 16
GMAC
23
Setup for ERX from
EREFCK rising
4 -
GMAC
24
Hold for ERX from
EREFCK rising
2 -
GMAC
25
Setup for ERXER
from EREFCK
rising
4 -
GMAC
26
Hold for ERXER
from EREFCK
rising
2 -
GMAC
27
Setup for ECRSDV
from EREFCK
rising
4 -
GMAC
28
Hold for ECRSDV
from EREFCK
rising
2 -
Figure 54-19. GMAC RMII Mode Signals
EREFCK
ETXEN
ETX[1:0]
ERX[1:0]
ERXER
ECRSDV
GMAC
21
GMAC
22
GMAC
23
GMAC
24
GMAC
25
GMAC
26
GMAC
27
GMAC
28
SAM D5x/E5x Family Data Sheet
Electrical Characteristics at 85°C
© 2019 Microchip Technology Inc.
Datasheet
DS60001507E-page 2029