Texas Instruments AM335 Series

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Introduction

4.1 Introduction

The Programmable Real-Time Unit and Industrial Communication Subsystem (PRU-ICSS) consists of dual

32-bit RISC cores (Programmable Real-Time Units, or PRUs), memories, interrupt controller, and internal

peripherals that enable additional peripheral interfaces and protocols.

The subsystem available on this device is the next-generation PRU (PRUSSv2) compared to the AM1x

and OMAP-L13x.

Among the interfaces supported by the PRU-ICSS are the real-time industrial protocols used in master

and slave mode, such as:

• EtherCAT

• PROFINET

• EtherNet/IP™

• PROFIBUS

• POWERLINK

• SERCOS III

NOTE: For the availability of EtherCAT in the AM335x family of devices, see Table 1-1, Device

Features.

177

SPRUH73H–October 2011–Revised April 2013 Programmable Real-Time Unit and Industrial Communication Subsystem

(PRU-ICSS)

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