at91sam9263 ATMEL Corporation, at91sam9263 Datasheet - Page 1017

• Manufacturer Part Number: at91sam9263
• Description: At91 Arm Thumb Microcontrollers
• Manufacturer: ATMEL Corporation

46.8.2
Table 46-30. EMAC RMII Specific Signals
6249D–ATARM–20-Dec-07
Symbol
EMAC
EMAC
EMAC
EMAC
EMAC
EMAC
EMAC
EMAC
21
22
23
24
25
26
27
28
RMII Mode
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
Figure 46-6. EMAC RMII Mode
EREFCK
ETX[1:0]
ERX[1:0]
ECRSDV
ETXEN
ERXER
EMAC
EMAC
EMAC
23
25
27
EMAC
EMAC
EMAC
26
28
24
AT91SAM9263 Preliminary
Min (ns)
-0.1
-0.2
-0.1
5.0
4.8
3.9
1.0
3.7
EMAC
EMAC
21
22
Max (ns)
14.6
12.9
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