SPRUJ17I March 2022 – August 2025 AM2631 , AM2631-Q1 , AM2632 , AM2632-Q1 , AM2634 , AM2634-Q1
Each processor has registers designated for sending and receiving mailbox events. The registers for R5 Cores and ICSSM Cores are present as part of the MSS_CTRL and registers for HSM M4 is present inside HSM.