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Link Ports Interface
Link Ports Interface
The ADSP-BF609 processor has four dedicated link ports. Each link port
has a clock pin, an acknowledgment pin, and eight data pins. The ports
can operate at up to 83 MHz and act as either a receiver or a transmitter.
The ports are used to interface gluelessly to other ADSP-BF609 processors
which also have the link ports pins brought out.
The EZ-KIT Lite enables access to link ports 0 and 1 (referred to as
and
in schematics) via connectors
LP1
ADSP-BF609 EZ-KIT Lites can mate gluelessly via the link port connec-
tors. The processors communicate via the link ports, all while performing
independent tasks on each of the EZ-KIT Lite. To loopback the link port
connectors on one EZ-KIT Lite or connect three or more EZ-KIT Lites,
obtain a standard, off the shelf connector from Samtec. For more informa-
tion, see
Link Port /JTAG Connectors (J3 and
By default, the EZ-KIT Lite boots from the parallel flash memory. Link
port 0 can be selected as the boot source by setting the boot mode select
switch (
) to position 6. See
SW2
General-Purpose I/O (GPIO)
Four LEDs are available via programmable pins
. The connections are on by default and can be shut off through
PB11
SoftConfig.
Two push buttons are available on programmable flags
The push buttons are connected to the processor by default. Use SoftCon-
fig to disconnect the push buttons. Refer to
(SoftConfig)
for more information.
1-18
P8
Boot Mode Select Switch
ADSP-BF609 EZ-KIT Lite Evaluation System Manual
and
, respectively. Two
J3
P8).
(SW2).
,
,
PG14
PG15
PE14
and
PB10
Software-Controlled Switches
LP0
, and
.
PE01
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