Cypress CY14B101P manual ~ ~ ~ ~

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PRELIMINARYCY14B101P

Figure 25. Synchronous Data Timing (Mode 0)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CS

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SCK

 

 

 

 

tCSS

 

 

 

 

 

tCH

 

 

 

 

tCL

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

tHD

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

tSD

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SI

 

 

 

 

 

 

 

 

VALID IN

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

tCO

 

 

 

SO

HI-Z

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

tCS

tCSH

 

tOH

tHZCS

 

HI-Z

CS

SCK

HOLD

SO

tSH

Figure 26. HOLD Timing

~ ~ ~ ~

tHH

tSH

tHHZ

tHH

tHLZ

Document #: 001-44109 Rev. *B

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Contents Logic Block Diagram FeaturesOverview Sram ArrayPin Definitions Pin Name Type Description PinoutsHold Sram Write Device OperationSram Read Store OperationSerial Peripheral Interface SPI Master Commonly used terms used in SPI protocol are given belowSPI Modes System Configuration Using SPI nvSRAMSPI Functional Description SPI Operating FeaturesRead Status Register Rdsr Instruction Status RegisterWrite Status Register Wrsr Instruction Write Disable Wrdi Instruction Write Enable Wren InstructionWrite Protection and Block Protection Block ProtectionRead Sequence Read Memory AccessWrite Sequence Write Wpen WENRead RTC Rdrtc Instruction Burst Mode Read Instruction TimingNvSRAM Special Instructions AutoStore DisableWrite RTC Wrtc Instruction Software Store StoreAutoStore Enable Asenb AutoStore Disable AsdisbSoftware Recall Recall Hold Pin OperationReal Time Clock Operation Watchdog Timer AlarmCalibrating the Clock Interrupt Register Power MonitorInterrupts Flags RegisterRTC Recommended Component Configuration Accessing the Real Time Clock through SPIWDF Oscf RTC Register Map1 BCD Format Data Function/RangeOscen Alarm Hours Alarm DayAlarm Minutes Register Map DetailTime Keeping Centuries Register Map Detail Alarm SecondsFlags 0x00 WDF Oscf CALMaximum Ratings DC Electrical CharacteristicsOperating Range Parameter Description Test Conditions Min Max UnitCapacitance Data Retention and EnduranceThermal Resistance AC Test ConditionsAC Switching Characteristics ~ ~ ~ ~ Switching Waveforms AutoStore or Power Up RecallParameters Description CY14B101P Unit Min Max CY14B101P Hardware Store Cycle To Output Active Time when write latch not setParameter Description Hardware Store Pulse WidthOrdering Information Ordering Code Package Diagram Package Type Operating RangePart Numbering Nomenclature CY 14 B 101 P SF X C TPin 300 mil Soic Package Package DiagramsREV ECN no Document HistorySubmission Orig. Description of Change Date Worldwide Sales and Design Support Products PSoC Solutions Sales, Solutions, and Legal InformationUSB
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