SPRUIU1C July 2020 – February 2024 DRA821U , DRA821U-Q1
Mailbox module serves to facilitate the communication between the various on-chip processors of the device by providing a queued mailbox-interrupt mechanism.
The queued mailbox-interrupt mechanism allows the software to establish a communication channel between two processors (users) through a set of registers and associated interrupt signals.
The device implements the following:
Table 7-1 shows the Mailbox allocation across device domains.
Instance | Domain | ||
WKUP | MCU | MAIN | |
MAILBOX0 | - | - | ✓ (NAVSS) |