2
Debug your FPGAs faster and more effectively with a MSO
FPGA dynamic probe lets you:
View internal activity – With the
digital channels on your MSO, you are
normally limited to measuring signals
at the periphery of the FPGA. With the
FPGA dynamic probe, you can now
access signals internal to the FPGA.
You can measure up to 256 internal
signals for each external pin dedicated
to debug, unlocking visibility into your
design that you never had before.
Make multiple measurements in
seconds – Moving probe points
internal to an FPGA used to be
time consuming. Now, in less than
a second, you can easily measure
different sets of internal signals
without design changes. FPGA timing
stays constant when you select new
sets of internal signals for probing.
Leverage the work you did in your
design environment – The FPGA
dynamic probe maps internal signal
names from your FPGA design tool
to your Agilent MSO. Eliminate
unintentional mistakes and save hours
of time with this automatic setup of
signal and bus names on your MSO.
PC board
JTAG
Parallel
or USB
FPGA
Probe outputs
on FPGA pins
SW application can be
licensed to a particular
PC or particular MSO
SW application installed
on a PC connected to
6000 or 7000 Series MSO
USB
LAN
GPIB
LAI
Insert LAI core with
Altera Quartus II
Figure 2. The FPGA dynamic probe requires Altera’s Quartus II design software with its
LAI (logic analyzer interface) and Altera programming hardware setup. The Quartus II
(ver. 6.0 or higher) LAI allows you to create and insert a debug core that interacts with
the FPGA dynamic probe application on your MSO. The FPGA dynamic probe controls
which group of internal signals to measure via the Altera programming hardware
connected to the JTAG port of the FPGA.
To FPGA pins
Selection MUX
1-256
1-256
1-256
Select
1-256
JTAG
1-256
Change signal bank
selection via JTAG
Figure 3. Access up to 256 internal signals for each debug pin. Signal
banks all have identical width (1 to 256 signals wide) determined by
the number of device pins you devote for debug. Each pin provides
sequential access to one signal from every input bank. MSO6000
series can acquire up to 16 signals using digital channels.
(78 Seiten)
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