Atmel Evaluation Kit AT91SAM9G25-EK AT91SAM9G25-EK 데이터 시트
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제품 코드
AT91SAM9G25-EK
1129
SAM9G25 [DATASHEET]
11032D–ATARM–10-Mar-2014
46.18.5.4 RMII Mode
Notes: 1.
See Note
Figure 46-27.EMAC RMII Mode Signals
Table 46-47. EMAC RMII Timings
Symbol
Parameter
Min (ns)
Max (ns)
EMAC
21
ETXEN toggling from EREFCK rising
2
EMAC
22
ETX toggling from EREFCK rising
2
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