SPRUIU1C July 2020 – February 2024 DRA821U , DRA821U-Q1
To track outstanding transactions, the gasket replaces the Command ID with a tag which it can then track. The ID Allocator allocates a free tag for each new transaction. If there are no free IDs to allocate, the command and write busses are stalled. Whenver a returned transaction is completed, the tag is freed.