Chapter 2 Hardware System; Cpu; Introduction To Cpu; Cpu Features - Embest SBC8600B User Manual

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Chapter 2

2.1 CPU

2.1.1 Introduction to CPU

The AM335x is ARM Cortex-A8 based microprocessor, enhanced in the aspect of
image, graphics processing, peripherals and industrial interface options such as Ether
CAT and PROFIBUS; The device supports high-level operating systems (HLOSs) such as
Linux, WinCE and Android.
The AM335x microprocessor contains following subsystems:

Microprocessor unit (MPU) subsystem based on the ARM Cortex-A8
microprocessor.
 POWERVR SGX™ Graphics Accelerator subsystem for 3D graphics
acceleration to support display and gaming effects.

The Programmable Real-Time Unit and Industrial Communication
Subsystem (PRU-ICSS) is separate from the ARM core, allowing
independent operation and clocking for greater efficiency and flexibility.

2.1.2 CPU Features

Clock
AM335x has two clock inputs, OSC1 and OCC0, and two clock outputs, LCKOUT1
and LCKOUT2.
OSC1 provides RTC with a 32.768 KHz reference clock. And it is used to connect
RTC_XTALIN terminal to RTC_XTALOUT terminal.
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Hardware System
SBC8600B-UM-V2.0
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