CYUSB3KIT-001 EZ-USB FX3 Development Kit Guide, Doc. #: 001-70237 Rev. *C
69
Hardware
4.4
GPIF II Connector
The GPIF II interface enables functionality similar to but more advanced than FX2LP's GPIF. It is a
programmable state machine that enables a flexible interface, which functions either as a master or
a slave using industry standard or proprietary interfaces. You can implement both parallel and serial
interfaces with GPIF II. The DVK board provides a Samtec expansion connector to interface with
external processors, ASICs, DSPs, or FPGAs. The GPIF II lines going to the Samtec connector also
come out on Mictor debug connectors, J1 and J2. You can connect logic analyzer pods to J1 and J2
for debugging.
Figure 4-5
shows the Samtec expansion connector on the FX3 DVK board.
Figure 4-5. Samtec and Mictor Debug Connectors on DVK
Figure 4-6
and
Figure 4-7
show the schematic diagrams of the Samtec expansion connector with the
GPIF II signals.
J77A
J2 – Mictor Debug Probe
Connector
J77B
J1 – Mictor Debug Probe
Connector
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