Cypress CY14B101P manual Hardware Store Cycle, Parameter Description, Hardware Store Pulse Width

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PRELIMINARYCY14B101P

Hardware STORE Cycle

Parameter			Description

tDHSB			To Output Active Time when write latch not set
tDHSB		HSB	To Output Active Time when write latch not set
tPHSB		Hardware STORE Pulse Width
			Figure 30. Hardware STORE Cycle[9]

	CY14B101P		Unit
Min		Max	Unit
Min		Max
		25	ns
15			ns

Write Latch set

tPHSB

HSB (IN)

tDELAY

HSB (OUT)

SO

RWI

~~ tSTORE

~~	~
	~

tHHHD

tLZHSB

Write Latch not set

tPHSB

HSB (IN)

HSB	(OUT)	tDELAY
		tDELAY
RWI

~ ~

tDHSB

HSB pin is driven high to VCC only by Internal 100K: resistor, HSB driver is disabled

SRAM is disabled as long as HSB (IN) is driven LOW.

tDHSB

~ ~

Document #: 001-44109 Rev. *B

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Contents Features Logic Block DiagramOverview Sram ArrayPin Definitions Pin Name Type Description PinoutsHold 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 DescriptionRead Status Register Rdsr Instruction Status RegisterWrite Status Register Wrsr 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 Watchdog Timer AlarmCalibrating the Clock 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 ~ ~ ~ ~ Switching Waveforms AutoStore or Power Up RecallParameters Description CY14B101P Unit Min Max 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 PackageREV ECN no Document HistorySubmission Orig. Description of Change Date Worldwide Sales and Design Support Products PSoC Solutions Sales, Solutions, and Legal InformationUSB