Mailbox
17.1 Mailbox
17.1.1 Introduction
17.1.1.1 Features
Global features of the Mailbox module are:
•
OCP slave interface (L4) supports:
–
32-bit data bus width
–
8/16/32 bit access supported
–
9-bit address bus width
–
Burst not supported
•
8 mailbox sub-modules
•
Each mailbox sub module allows 1-way communication between 2 initiators
•
Flexible mailbox/initiators assignment scheme
•
4 messages per mailbox sub-module
•
32-bit message width
•
Support of 16/32-bit addressing scheme
•
Non-intrusive emulation
•
4 interrupts (one per user: 1 to MPU Subsystem, 2 to PRU-ICSS, and 1 to WakeM3)
17.1.1.2 Unsupported Features
There are no unsupported features for Mailbox on this device.
3236
Interprocessor Communication
SPRUH73H – October 2011 – Revised April 2013
Copyright © 2011–2013, Texas Instruments Incorporated