K2E Clock Generation Reference Design

(ACTIVE) TIDEP0026

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Description

A single clock source should not be used to drive multiple clock inputs for a high-performance processor device, such as multicore ARM Cortex-A15 based 66AK2Ex and AM5K2Ex processors, since excessive loading, reflections, and noise will negatively impact performance. These can be avoided through the use of a differential clock tree instead of a single clock source. This design demonstrates clock generation for the 66AK2Ex and AM5K2Ex families of KeyStone II ARM A15 + DSP and ARM-only multicore processors by use of a differential clock tree. This design shows a complete clock tree resulting in generation of all clocks needed for SoC cores and interfaces.

Features
  • Differential clock tree for 66AK2Ex and AM5K2Ex multicore ARM Cortex-A15 SoCs
  • Uses CDCM6208 to generate all clocks needed by SoC and peripherals
  • Uses CDCM6208 EVM Control GUI to generate control register values.
  • Complete system reference with schematics, BOM, design files, and HW Design Guide, implemented on the K2E EVM platform for testing and evaluation.

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TI Devices (4)

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Part Number Name Product Family Sample & Buy Design Kits & Evaluation Modules
66AK2E02  Multicore DSP+ARM KeyStone II System-on-Chip (SoC)  C6000 DSP + ARM Processors  Sample & Buy View Design Kits & Evaluation Modules
66AK2E05  Multicore DSP+ARM KeyStone II System-on-Chip (SoC)  C6000 DSP + ARM Processors  Sample & Buy View Design Kits & Evaluation Modules
AM5K2E02  Sitara Processor: Dual ARM Cortex-A15  ARM Cortex-A15  Sample & Buy View Design Kits & Evaluation Modules
AM5K2E04  Sitara Processor: Quad ARM Cortex-A15  ARM Cortex-A15  Sample & Buy View Design Kits & Evaluation Modules

Technical Documents

View the Important Notice for TI Designs covering authorized use, intellectual property matters and disclaimers.

Third party documents (1)
*This is not an TI official document.
Title Date Type
K2E EVM Technical Information [eInfochips] 08 Oct 2014
More literature (1)
*This is not an TI official document.
Title Date Type
Emulation Wiki -- In-depth technical and "how-to" articles, FAQs, etc. 24 Mar 2011 Wiki*
Application notes (1)
Title Abstract Type Size (KB) Date Views
PDF 1772 24 Mar 2014 1,323
User guides (1)
Title Abstract Type Size (KB) Date Views
PDF 935 08 Oct 2014 239
Design files (6)
Title Abstract Type Size (KB) Date Views
ZIP 11 08 Oct 2014 61
PDF 2213 08 Oct 2014 38
ZIP 7495 08 Oct 2014 106
ZIP 26925 08 Oct 2014 123
PDF 83 08 Oct 2014 22
PDF 256 08 Oct 2014 184


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