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PDF N5434A Data sheet ( Hoja de datos )
| Número de pieza | N5434A | |
| Descripción | FPGA Dynamic Probe | |
| Fabricantes | Agilent(Hewlett-Packard) | |
| Logotipo | .gif "Agilent(Hewlett-Packard)"){kind=logo} |
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Agilent Technologies InfiniiVision MSO
N5434A FPGA Dynamic Probe for Altera
Data Sheet
Figure 1. FPGA dynamic probe for Altera used in conjunction with an InfiniiVision
6000 or 7000 Series MSO provides an effective solution for simple through complex
debugging of systems incorporating Altera FPGAs.
The challenge
You rely on the insight a MSO
(mixed-signal oscilloscope)
provides to understand the
behavior of your FPGA in
the context of the surrounding
system. Design engineers
typically take advantage of the
programmability of the FPGA to
route internal nodes to a small
number of physical pins for
www.DadteabShuegegti4nUg..cWomhile this approach
is very useful, it has significant
limitations.
• Since pins on the FPGA
are typically an expensive
resource, there are a relatively
small number available for
debug. This limits internal
visibility (i.e. one pin is
required for each internal
signal to be probed).
• When you need to access
different internal signals,
you must change your design
to route these signals to the
available pins. This can be time
consuming and can affect the
timing of your FPGA design.
• Finally, the process required
to map the signal names from
your FPGA design to the
MSO digital channel labels is
manual and tedious.
When new signals are routed
out, you need to manually
update these signal names
on the MSO, which takes
additional time and is a
potential source of confusing
errors.
1 page  
A quick tour of the application (continued)
Measurement setup step 1: Establish
a connection between the MSO and
the LAI
The FPGA dynamic probe
application establishes a
connection between the MSO
and the FPGA via a JTAG cable.
It also determines what devices
are on the JTAG scan chain and
lets you pick the one with which
you wish to communicate.
Measurement setup step 2: Configure
the device and import signal names
If needed, you can configure the
device with the SRAM object
file (.sof) that includes the logic
analyzer interface file. The FPGA
dynamic probe application reads
a .lai file produced by Quartus II.
The names of signals you measure
will now automatically appear in
the label names on your Agilent
MSO.
Measurement setup step 3: Map
FPGA pins
Select your probe type and easily
provide the information needed
for the MSO to automatically
track names of signals routed
through the LAI file.
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| Páginas | Total 8 Páginas | |
| PDF Descargar | [ Datasheet N5434A.PDF ] | |
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