Owners manual

System

4.13. Message Box

4.13.1. Overview

Message Box provides an MSGBox-interrupt mechanism for on-chip processors intercommunication.

The MSGBox-interrupt mechanism allows the software to establish a communication channel between the two users

through a set of registers and associated interrupt signals by sending or receiving messages.

The Message Box includes the following features:

• Two users for Message Box instance(User0 for CPUS and User1 for CPU0/CPU1)

• Eight Message Queues for the MSGBox instance

• Each of Queues could be configured as transmitter or receiver for user

• Two interrupts (one per user ) for the MSGBox instance

• Register polling for the MSGBox instance

• 32-bit message width

• Four-message FIFO depth for Each message queue

4.13.2. Functionalities Description

confidential