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DACREF Folha de dados(PDF) 16 Page - ATMEL Corporation

Nome de Peças DACREF
Descrição Electrónicos  32-Bit AVR UC3 C Series Schematic Checklist
PDF  30 Pages
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Fabricante Electrônico  ATMEL [ATMEL Corporation]
Página de início  http://www.atmel.com
Logo ATMEL - ATMEL Corporation

DACREF Folha de dados(HTML) 16 Page - ATMEL Corporation

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AVR32768
32157A-AVR-12/10
10 Ethernet interface
When designing in the Ethernet physical device (PHY), the designer should refer to
the datasheet for the PHY. This datasheet usually contains layout advice, connection
schematics, reference design, etc.
The information in the PHY datasheet is mandatory to get optimal performance and
stability.
10.1 Ethernet interface in MII mode
Figure 10-1.
Ethernet interface in MII mode example schematic.
Table 10-1.
Ethernet interface in MII mode checklist.
Signal name
Recommended pin connection
Description
TX_CLK/
REF_CLK
Transmit clock, 25MHz for 100Mb/s data rate
CRS
Carrier sense
COL
Collision detect
MDIO
PHY maintenance data
MDC
PHY maintenance clock
RX_DV
Receive data valid
RXD[0:3]
Receive data 4-bit



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