at91sam9g20-cu ATMEL Corporation, at91sam9g20-cu Datasheet - Page 779
at91sam9g20-cu
Manufacturer Part Number
at91sam9g20-cu
Description
At91 Arm Thumb Microcontrollers
Manufacturer
ATMEL Corporation
Datasheet
1.AT91SAM9G20-CU.pdf
(814 pages)
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Table 41-36. RMII Mode
6384B–ATARM–15-Dec-08
Symbol
EMAC
EMAC
EMAC
EMAC
EMAC
21
22
23
24
25
Parameter
ETXEN toggling from EREFCK rising
ETX toggling from EREFCK rising
Setup for ERX from EREFCK rising
Hold for ERX from EREFCK rising
Setup for ERXER from EREFCK rising
Figure 41-5. EMAC MII Mode
ETX[3:0]
ERX[3:0]
ETXCK
ETXER
ETXEN
ERXCK
ERXER
ERXDV
EMDC
EMDIO
ECOL
ECRS
EMAC
EMAC
EMAC
EMAC
EMAC
4
6
11
13
15
EMAC
EMAC
EMAC
EMAC
EMAC
EMAC
1
5
7
14
16
12
EMAC
AT91SAM9G20 Preliminary
2
Min (ns)
2
2
4
2
4
EMAC
EMAC
EMAC
8
9
10
EMAC
Max (ns)
3
16
16
779
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