The AM335x microprocessors, based on the ARM Cortex-A8 processor, are enhanced
with image, graphics processing, peripherals and industrial interface options such as
EtherCAT and PROFIBUS. The devices support high-level
operating systems (HLOS). Linux® and
Android™ are available free of charge from TI.
The AM335x
microprocessor contain the subsystems shown in Figure 1-1 and a brief description of each follows:
The microprocessor unit (MPU)
subsystem is based on the ARM Cortex-A8 processor and the
PowerVR SGX™
Graphics Accelerator subsystem provides 3D graphics acceleration to support display and gaming
effects.
The PRU-ICSS is separate from the ARM core,
allowing independent operation and clocking for greater efficiency and flexibility. The PRU-ICSS
enables additional peripheral interfaces and real-time protocols such as
EtherCAT, PROFINET, EtherNet/IP, PROFIBUS, Ethernet
Powerlink, Sercos, and others. Additionally, the programmable nature of the PRU-ICSS, along with
its access to pins, events and all system-on-chip (SoC) resources, provides flexibility in
implementing fast, real-time responses, specialized data handling operations, custom peripheral
interfaces, and in offloading tasks from the other processor cores of SoC.
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