at91sam9260-cj ATMEL Corporation, at91sam9260-cj Datasheet - Page 744

• Manufacturer Part Number: at91sam9260-cj
• Description: At91 Arm Thumb Microcontrollers
• Manufacturer: ATMEL Corporation

41.8.3
Table 41-25. EMAC RMII Specific Signals
Figure 41-5. EMAC RMII Mode
744
Symbol
EMAC
EMAC
EMAC
EMAC
EMAC
EMAC
EMAC
EMAC
21
22
23
24
25
26
27
28
AT91SAM9260
RMII Mode
EREFCK
ETX[1:0]
ERX[1:0]
ECRSDV
ETXEN
ERXER
Parameter
ETXEN toggling from EREFCK rising
ETX toggling from EREFCK rising
Setup for ERX from EREFCK
Hold for ERX from EREFCK
Setup for ERXER from EREFCK
Hold for ERXER from EREFCK
Setup for ECRSDV from EREFCK
Hold for ECRSDV from EREFCK
EMAC
EMAC
EMAC
23
25
27
EMAC
EMAC
EMAC
26
28
24
EMAC
EMAC
Min (ns)
13.5
12.3
1.3
1.2
0.9
21
22
0
0
0
6221G–ATARM–31-Jan-08
Max (ns)
15.5
16