Ethernet Interface
1-16
ADSP-BF518F EZ-Board Evaluation System Manual
If the processor pins are needed for the expansion interface II, disconnect
the rotary encoder switch via the three-position rotary enable switch
(
SW19
).
For more information, see “Encoder Enable Switch (SW19)” on
An example program is included in the EZ-Board installation directory to
demonstrate how to set up and access the rotary encoder interface.
Ethernet Interface
The ADSP-BF518F processor has an integrated Ethernet MAC with
media independent interface (MII) which connects to an external PHY.
The EZ-Board provides a Micrel KSZ8893M Integrated 3-Port 10/100
Managed Switch with PHYs, fully compliant with IEEE 802.3u standards.
The KSZ8893M chip supports 10BASE-T and 100BASE-TX operations.
The part is attached gluelessly to the processor.
The Ethernet signals are shared with the PPI signals connected to the
expansion interface II.
The Ethernet mode is set by three switches. Switch
SW7
controls the con-
figuration of the port 1 connector.
SW7
configures the flow control,
duplex, speed, and auto-negotiation. Switch
SW18
controls the configura-
tion of the port 2 connector.
SW18
configures the flow control, duplex,
speed, auto-negotiation, auto MDI/MDI-X, and MDI/MDI-X settings.
Switch
SW8
controls the Ethernet IC configuration.
SW8
configures the
flow control, hardware pin overwrite, and serial bus mode. See
Port 1 Configuration Switch (SW7)” on page 2-11
figuration Switch (SW18)” on page 2-14
, and
The Ethernet chip is pre-loaded with a MAC address. The MAC address
for the EZ-Board is stored in the configuration flash section of the parallel
flash memory and can be found on a sticker on the bottom side of the
board.
Содержание ADSP-BF518F EZ-Board
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