Ethernet Interface
1-18
ADSP-BF527 EZ-KIT Lite Evaluation System Manual
Ethernet Interface
The ADSP-BF527 processor has an integrated Ethernet MAC with media
independent interface (MII) and reduced media independent interface
(RMII), which connects to an external PHY. The EZ-KIT Lite provides a
SMSC LAN8700 RMII Ethernet PHY with Auto-MDIX, fully compliant
with IEEE 802.2/802.2u standards. The SMSC LAN8700 chip supports
10BASE-T and 100BASE-TX operations. The part is attached gluelessly
to the processor.
The Ethernet signals are shared with NAND flash, and the Ethernet is by
default turned off (
SW1
OFF
,
OFF
,
ON
,
OFF
). See
for more information. It is important not to run code
that accesses the NAND while using the Ethernet interface.
The Ethernet mode is set by the
SW9
switch and defaults to all capable,
auto negotiation with settings
OFF
,
OFF
,
OFF
,
ON
. See
The Ethernet chip is pre-loaded with a MAC address for the EZ-KIT Lite.
The MAC address is stored in the public one-time programmable (OTP)
memory of the processor and can be found on a sticker on the bottom side
of the EZ-KIT Lite.
The PHY portion of the Ethernet chip connects to a Pulse HX1188 (
U26
)
magnetics, then to a standard RJ-45 Ethernet connector (
J9
).
information, see “Ethernet Connector (J9)” on page 2-28.
Example programs are included in the EZ-KIT Lite installation directory
to demonstrate how to use the Ethernet interface.
www.BDTIC.com/ADI
Summary of Contents for Lite ADSP-BF527 EZ-KIT
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