Cypress STK17T88 manual Document History, Sales, Solutions, and Legal Information

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STK17T88

Document History Page

Document Title: STK17T88 32K x 8 AutoStore™ nvSRAM with Real-Time Clock

Document Number: 001- 52040

Rev

ECN No.

Orig. of

Submission Date

Description of change

Change

 

 

 

 

 

 

 

 

 

**

2668660

GVCH/PYRS

03/04/2009

New data sheet

 

 

 

 

 

*A

2675319

GVCH

03/17/2009

Corrected typo on page 1 in ‘Description’

 

 

 

 

section: changed 256KB to 256Kb.

Sales, Solutions, and Legal Information

Worldwide Sales and Design Support

Cypress maintains a worldwide network of offices, solution centers, manufacturer’s representatives, and distributors. To find the office closest to you, visit us at cypress.com/sales.

Products

 

PSoC Solutions

 

PSoC

psoc.cypress.com

General

psoc.cypress.com/solutions

Clocks & Buffers

clocks.cypress.com

Low Power/Low Voltage

psoc.cypress.com/low-power

Wireless

wireless.cypress.com

Precision Analog

psoc.cypress.com/precision-analog

Memories

memory.cypress.com

LCD Drive

psoc.cypress.com/lcd-drive

Image Sensors

image.cypress.com

CAN 2.0b

psoc.cypress.com/can

 

 

USB

psoc.cypress.com/usb

© Cypress Semiconductor Corporation, 2009. The information contained herein is subject to change without notice. Cypress Semiconductor Corporation assumes no responsibility for the use of any circuitry other than circuitry embodied in a Cypress product. Nor does it convey or imply any license under patent or other rights. Cypress products are not warranted nor intended to be used for medical, life support, life saving, critical control or safety applications, unless pursuant to an express written agreement with Cypress. Furthermore, Cypress does not authorize its products for use as critical components in life-support systems where a malfunction or failure may reasonably be expected to result in significant injury to the user. The inclusion of Cypress products in life-support systems application implies that the manufacturer assumes all risk of such use and in doing so indemnifies Cypress against all charges.

Any Source Code (software and/or firmware) is owned by Cypress Semiconductor Corporation (Cypress) and is protected by and subject to worldwide patent protection (United States and foreign), United States copyright laws and international treaty provisions. Cypress hereby grants to licensee a personal, non-exclusive, non-transferable license to copy, use, modify, create derivative works of, and compile the Cypress Source Code and derivative works for the sole purpose of creating custom software and or firmware in support of licensee product to be used only in conjunction with a Cypress integrated circuit as specified in the applicable agreement. Any reproduction, modification, translation, compilation, or representation of this Source Code except as specified above is prohibited without the express written permission of Cypress.

Disclaimer: CYPRESS MAKES NO WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, WITH REGARD TO THIS MATERIAL, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. Cypress reserves the right to make changes without further notice to the materials described herein. Cypress does not assume any liability arising out of the application or use of any product or circuit described herein. Cypress does not authorize its products for use as critical components in life-support systems where a malfunction or failure may reasonably be expected to result in significant injury to the user. The inclusion of Cypress’ product in a life-support systems application implies that the manufacturer assumes all risk of such use and in doing so indemnifies Cypress against all charges.

Use may be limited by and subject to the applicable Cypress software license agreement.

Document Number: 001-52040 Rev. *A

Revised March 17, 2009

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AutoStore and QuantumTrap are registered trademarks of Cypress Semiconductor Corporation. All products and company names mentioned in this document may be the trademarks of their respective holders.

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Contents Description FeaturesLogic Block Diagram Cypress Semiconductor CorporationPin Configurations Pin DescriptionsSymbol Parameter Commercial Industrial Units Min DC CharacteristicsRF SSOP-48 Package Thermal Characteristics Absolute Maximum RatingsAC Test Conditions CapacitanceRTC DC Characteristics IbakSymbols Parameter STK17T88-25 STK17T88-45 Units Alt Min Max Sram Read Cycles #1 and #2Sram Write Cycles #1 and #2 Symbols Parameter STK17T88-25 STK17T88-45 Units Alt MinMin Max AutoStore/Power Up Recall Symbols Parameter STK17T88 Units Standard Alternate Min MaxSoftware-Controlled STORE/RECALL Cycle CONTROLLED13Symbols Parameter STK17T88 Units Standard Min Max Soft Sequence CommandsHardware Store to Sram Disabled Hardware Store CycleMode Selection A14-A0 ModeAutoStore Operation Hardware Recall Power UPNvSRAM Operation Hardware Store HSB OperationPreventing AutoStore Software StoreNoise Considerations Best PracticesReal Time Clock Watchdog Timer AlarmPower Monitor Interrupt Register Flags RegisterOscen RTC Register MapRegister BCD Format Data Function / Range WDS WDW WDTRegister Map Detail 0x7FF3 Alarm Minutes 0x7FF5 Alarm Day0x7FF4 Alarm Hours 10s Alarm Hours 0x7FF2 Alarm SecondsOrdering Codes User must reset this bit to 0 to clear this conditionOrdering Code Description Access Times ns Temperature 0x7FF0 FlagsPackage Diagram Worldwide Sales and Design Support Products PSoC Solutions Sales, Solutions, and Legal InformationDocument History