Features
FS4435 DisplayPort Protocol Preprocessor
For use with Tektronix Logic Analyzers
- Full protocol analysis at 1.62 Gbps and 2.7 Gbps
- Probe adapters available for Main Link:
- Midbus cable
- High Performance Flying Leads
- Interposer
- Probing the Aux Port and Hot Plug Detect (HPD)
- Connect the FS4435 AUX/HPD cables to test points on your target or
- Connect the FS4435 AUX/HPD cables to test points on the FS1040 Interposer Probe Adapter
- Protocol decoder displays
- Secondary data packets
- Reconstructed pixel data from data characters transmitted over the main link
- Audio packets decoded and identified by speaker
- Packets are automatically descrambed and deskewed
- All Training events supported
- Main Link error detection
- Lane mismatch
- Disparity error
- Invalid symbol
- Invalid protocol
- Dynamic lane changing
- Main Link Protocol Decode Example
- Auxiliary channel decode included
- Triggering capabilities
- All Event Codes Symbols are decoded and displayed. A complete list is in the User Manual.
- Event Code errors are asserted for 1 state: Mismatch, V_err (MVID Check), A_err (MAUD Check), and Missed SR
- Hot Plug Detect supported
- LED display status:
LED Data State Signal State OK, Data clocking into analyzer OK Any error Invalid symbol or disparity error FPGA DCM lost lock RX fault or interrupt No data due to filter or SYSRST No signal on a lane - Probe Manager software executing on a PC or Logic Analyzer controls probe over a USB interface in real time
- Probe manager filter can be set to filter out:
- Probe manager pixel recognizer can be set to trigger on:
- Any specific pixel data of any format
- Probe configuration
- Footprint lane reversal
- Polarity inversion supported
- Scrambling / descrambling can be turned on or off

