SPRUJB3 March 2024 AM67 , AM67A , TDA4AEN-Q1 , TDA4VEN-Q1
Configuration write and read transactions are only initiated by a special module called configuration proxy (PSILCFG_PROXY). Each configuration proxy in the system uses a single source thread which can initiate configuration write and read transactions to the configuration registers of every other source and destination thread in the PSI-L system. The PSILCFG_PROXY registers are described in DMASS_PSILCFG_0 Registers, located in DMA Controller Registers.
Each source thread routes to a single target thread and this pairing is specified by programming a required pairing register set for each thread. A source has no ability to change what target thread it talks to. If a source must be able to talk to different targets (or target threads), then it can either have multiple threads or a streaming switch that can be programmed to route the transfers appropriately based on specific packet fields.