Cypress CY14B101P manual Sales, Solutions, and Legal Information, Usb

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PRELIMINARYCY14B101P

Sales, Solutions, and Legal Information

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© Cypress Semiconductor Corporation, 2008-2009. 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 #: 001-44109 Rev. *B

Revised February 2, 2009

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Contents Features Logic Block DiagramOverview Sram ArrayHold PinoutsPin Definitions Pin Name Type Description Device Operation Sram WriteSram Read Store OperationSerial Peripheral Interface Commonly used terms used in SPI protocol are given below SPI MasterSystem Configuration Using SPI nvSRAM SPI ModesSPI Operating Features SPI Functional DescriptionWrite Status Register Wrsr Instruction Status RegisterRead Status Register Rdsr Instruction Write Enable Wren Instruction Write Disable Wrdi InstructionWrite Protection and Block Protection Block ProtectionMemory Access Read Sequence ReadWrite Sequence Write Wpen WENBurst Mode Read Instruction Timing Read RTC Rdrtc InstructionAutoStore Disable NvSRAM Special InstructionsWrite RTC Wrtc Instruction Software Store StoreAutoStore Disable Asdisb AutoStore Enable AsenbSoftware Recall Recall Hold Pin OperationReal Time Clock Operation Calibrating the Clock AlarmWatchdog Timer Power Monitor Interrupt RegisterInterrupts Flags RegisterAccessing the Real Time Clock through SPI RTC Recommended Component ConfigurationRTC Register Map1 BCD Format Data Function/Range WDF OscfOscen Alarm Day Alarm HoursAlarm Minutes Register Map DetailRegister Map Detail Alarm Seconds Time Keeping CenturiesFlags 0x00 WDF Oscf CALDC Electrical Characteristics Maximum RatingsOperating Range Parameter Description Test Conditions Min Max UnitData Retention and Endurance CapacitanceThermal Resistance AC Test ConditionsAC Switching Characteristics ~ ~ ~ ~ Parameters Description CY14B101P Unit Min Max AutoStore or Power Up RecallSwitching Waveforms CY14B101P To Output Active Time when write latch not set Hardware Store CycleParameter Description Hardware Store Pulse WidthOrdering Code Package Diagram Package Type Operating Range Ordering InformationPart Numbering Nomenclature CY 14 B 101 P SF X C TPackage Diagrams Pin 300 mil Soic PackageSubmission Orig. Description of Change Date Document HistoryREV ECN no USB Sales, Solutions, and Legal InformationWorldwide Sales and Design Support Products PSoC Solutions