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AN77900 - PSoC® 3 and PSoC 5LP Low-power Modes and Power Reduction Techniques

Last Updated: 03/22/2013
Version: *A

AN77900 is an introduction to the PSoC 3 and PSoC 5LP low-power modes and features. Major topics include PSoC power modes, power management API and registers, additional power-saving techniques, and other low-power mode considerations. The associated PSoC Creator project demonstrates these principles.

Introduction

The PSoC 3 and PSoC 5LP low-power modes allow you to reduce overall current draw without limiting functionality, especially when implemented with other power-saving features and techniques.

This application note describes the fundamentals of the PSoC low-power modes, provides information on Active mode power-saving methods, and discusses other low-power considerations. It is assumed that the reader is familiar with PSoC 3 and PSoC 5LP device architecture and PSoC Creator operation. A list of related documents that expand on some complex topics mentioned here is available at the end of this application note.
 


Project
Device
PSoC Creator
Version
Development Kit
CY8CKIT-xxx
Compiler
Architecture
Silicon
Revision
 V2.1 SP1
V2.1/2.0
001
DVK
030/050
DVK
003/014
FTK
Keil
GCC
RVDS
MDK

AN77900.zip

Prod
YES
NO
YES
YES*
NO
YES
N/A
N/A
N/A
Prod
YES
NO
YES
YES*
NO
N/A
YES
YES
YES
AN77900_Archive.zip
ES3, Prod
NO
YES
YES
YES*
NO
YES
N/A
N/A
N/A
ES1, Prod
NO
YES
YES
YES*
NO
N/A
YES
YES
YES

*Refer to Migrating CY8CKIT-001 DVK project to CY8CKIT 030/ 050.

Notes:
  1. Click on AN84741 - PSoC® 5 to PSoC 5LP Migration Guide to learn differences between PSoC 5 and PSoC 5LP.
  2. Click on AN77835 - PSoC® 3 to PSoC 5LP Migration Guide to learn differences between PSoC 3 and PSoC 5LP.
  3. For PSoC 5 project and related document, please download file AN77900_Archive.zip.

Projects associated with this application note can be downloaded from the 'Related Files' section below. For your convenience, we have provided projects that are compatible with the two most recent versions of PSoC Creator:

  • AN77900.zip is used with PSoC Creator 2.1 SP1
  • AN77900_Archive.zip is used with PSoC Creator 2.1/2.0

The project’s default settings may not be compatible with your device or kit, and you may need to change your project settings. For more information, see:


这些文档仅供参考。赛普拉斯、赛普拉斯管理层、雇员及分销商对翻译错误不承担任何责任。当您在设计开发过程中使用这些文档时,我们强烈建议您参照英文版本。

これらの文献はあくまでもご参考のためのみに日本語翻訳されています。誤訳によるトラブルが発生した場合、Cypress Semiconductor Corp. 全ての子会社、関連会社、役員、従業員、販売代理店は一切の責任を負いかねます。 最新の英語版オリジナル文献を必ずご参照いただくことをお勧め致します。




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Spec No: 001-77900; Sunset Owner: MAXK; Secondary Owner: XKJ; Sunset Date: 12/26/12

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Spec No: 001-77900; Sunset Owner: MAXK; Secondary Owner: XKJ; Sunset Date: 12/26/12