MSO8000 HP | Alldatasheet
Document overview
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Technical content
- 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
Figure 1. FPGA dynamic probe for Altera used in conjunction with an Agilent MSO
Design step 1: Configure the logic analyzer interface file and core parameters You need to create a Altera LAI file with MSO in Quartus II. This file defines the interface that builds a connection between the internal FPGA signals and the MSO digital channels. You can then configure the core parameters, which include number of pins, number of signal banks, the type of measurement (state or timing), clock and the power-up state. A quick tour of the application Design step 2: Map the Altera LAI core outputs to available I/O pins Use Pin Planner in Quartus II to assign physical pin locations for the LAI.
A quick tour of the application (continued) Design step 3: Assign LAI bank parameters Assign internal signals to each bank in the LAI after you have specified the number of banks to use in the core parameters. Find the signals you want to acquire with the Node Finder and assign them to the banks. With the LAI core fully configured and instantiated into your FPGA design, you’re ready to compile your design to create the device programming file (.sof). Then, to make measurements you’ll move to the Agilent MSO with FPGA dynamic probe software. Activate FPGA dynamic probe for Altera The FPGA dynamic probe application allows you to control the LAI and set up the MSO for the desired measurements.
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.
A quick tour of the application (continued) Setup complete: Make measurements Quickly change which signal bank is routed to the MSO. A single mouse click tells the LAI core to switch to the newly specified signal bank without any impact to the timing of your design. To make measurements throughout your FPGA, change signal banks as often as needed. With each new selection of a signal bank, FPGA Dynamic Probe updates new signal names from your design to the MSO. User-definable signal bank names make it straight forward to select a part of your design to measure. Correlate internal FPGA activity with external measurements View internal FPGA activity and time-correlate internal FPGA measurements with external analog and digital events in the surrounding system. FPGA Dynamic Probe unlocks the power of the MSO for system-level debug with FPGAs. Make state measurements with your MSO MSOs incorporate some logic analysis state capabilities useful for making FPGA measurements. Using pattern trigger, setup a state trigger on LAI clock output edge and desired digital pattern. After acquiring the data, use the post-processing “State clock” feature to transform the timing waveforms into state waveforms. Valid states are shown and invalid states are filtered. Any of the 16 digital channels or any of the analog channels can be set as the state clock. Using an analog channel state clock allows you to retain all 16 digital channels for bus measurement.
Agilent N5433A specifications and characteristics Supported oscilloscopes Standalone oscilloscopes All Infiniium 8000 and 9000 Series MSOs. MSO Digital Channels 16 Bus groupings Up to 4, each with 16 character labels Triggering capabilities Determined by MSO, all have state triggering Supported Altera FPGA families All families that the Altera LAI core supports including, Stratix IV, Stratix III, Stratix II a nd Stratix, Cyclone III, Cyclone II and Cyclone, Arria II and Arria. Supported Altera cables (required) Altera USB Blaster or ByteBlaster Supported probing mechanisms Soft touch (34-channel and 17-channel), Mictor, Samtec, Flying lead, Infiniium MSOs come standard with a 40 pin probe cable and flying leads. Altera LAI characteristics Number of output signals User definable: 1 to 256 signals in 1 signal increments. MSO can measure maximum of 16 digital channels Signal banks User definable: 1 to 256 banks Modes State (synchronous) or timing (asynchronous) mode Compatible software Additional information available via the Internet www.agilent.com/find/8000-altera
Ordering information
Ordering options for the Agilent N5433A FPGA dynamic probe for Altera Option 001 • Entitlement certificate for perpetual node-locked license locked to oscilloscope (most common license type) Option 002 • Entitlement certificate for PC locked license. PC and MSO must both connect to LAN. (less common license type) Related literature Publication title Publication type Publication number Frequently Asked Questions for Agilent Data sheet 5989-5957EN MSO FPGA Dynamic Probe for Altera Agilent Technologies Infiniium Color brochure 5989-4271EN 8000 series Oscilloscopes Infiniium 9000 Series Oscilloscopes Data sheet 5989-3746EN Product Web site For the most up-to-date and complete application and product information, please visit our product Web site at: www.agilent.com/find/scopes
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