Mailbox
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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
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