Total Phase, Inc.

A2B Bus Monitor – Level 1 Application for Promira Serial Platform

Compatible Operating Systems: Windows, Linux, Mac OS X

Total Phase’s A2B Bus Monitor – Level 1 Application provides unprecedented access to the A2B system. By attaching the A2B Adapter Board in-line between nodes, the A2B monitor can non-intrusively sniff A2B data in real time. A2B superframes are decoded into I2C control data for easy debugging with Interrupts and GPIO handshakes correlated into the data capture, while I2S/TDM audio data is available in visual and audio formats.  Besides the traditional Bus Data view, the application also offers a Node Topology view and an Audio Channels view. The Node Topology view allows quick visualization of all nodes for validating node initialization. The Audio Channels can diagnose audio channel problems. Real-time audio levels for all upstream and downstream channels can be mixed and monitored to quickly identify I2S/TDM data slot mismatch problems.


  • Real-time capture and decoding of A2B bus data
  • Node discovery and initialization tracking
  • Node topology and configuration view
  • Monitor, visualize, and play TDM/I2S audio data
  • Monitor I2C data, GPIO signaling, and Interrupt events

Automotive, Audio


Contact Information

Total Phase, Inc.

2350 Mission College Blvd
Ste 1100
Santa Clara, CA, 95054

tele: 408.850.6500
fax: 408.850.6501

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