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CY14B101KA-SP45XIT Datasheet(PDF) 2 Page - Cypress Semiconductor |
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CY14B101KA-SP45XIT Datasheet(HTML) 2 Page - Cypress Semiconductor |
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2 / 34 page  CY14B101KA CY14B101MA Document #: 001-42880 Rev. *I Page 2 of 34 Contents Pinouts .............................................................................. 3 Pin Definitions .................................................................. 4 Device Operation .............................................................. 5 SRAM Read ....................................................................... 5 SRAM Write ....................................................................... 5 AutoStore Operation ........................................................ 5 Hardware STORE (HSB) Operation ................................. 5 Hardware RECALL (Power-Up) ....................................... 6 Software STORE ............................................................... 6 Software RECALL ............................................................. 6 Preventing AutoStore ....................................................... 7 Data Protection ................................................................. 8 Noise Considerations ....................................................... 8 Real Time Clock Operation .............................................. 8 nvTIME Operation ....................................................... 8 Clock Operations ......................................................... 8 Reading the Clock ....................................................... 8 Setting the Clock ......................................................... 8 Backup Power ............................................................. 8 Stopping and Starting the Oscillator ............................ 9 Calibrating the Clock ................................................... 9 Alarm ........................................................................... 9 Watchdog Timer .......................................................... 9 Power Monitor ........................................................... 10 Interrupts ................................................................... 10 Flags Register ........................................................... 11 Best Practices ................................................................. 16 Maximum Ratings ........................................................... 17 Operating Range ............................................................. 17 DC Electrical Characteristics ........................................ 17 Data Retention and Endurance ..................................... 18 Capacitance .................................................................... 18 Thermal Resistance ........................................................ 18 AC Test Loads ................................................................ 18 AC Test Conditions ........................................................ 18 RTC Characteristics ....................................................... 19 AC Switching Characteristics ....................................... 20 SRAM Read Cycle .................................................... 20 SRAM Write Cycle ..................................................... 20 Switching Waveforms .................................................... 20 AutoStore/Power-Up RECALL ....................................... 23 Switching Waveforms .................................................... 23 Software Controlled STORE/RECALL Cycle ................ 24 Switching Waveforms .................................................... 24 Hardware STORE Cycle ................................................. 25 Switching Waveforms .................................................... 25 Truth Table For SRAM Operations ................................ 26 Ordering Information ...................................................... 27 Package Diagrams .......................................................... 28 Acronyms ........................................................................ 30 Document Conventions ............................................. 30 Units of Measure ....................................................... 30 Document History Page ................................................. 31 Sales, Solutions, and Legal Information ...................... 34 Worldwide Sales and Design Support ....................... 34 Products .................................................................... 34 PSoC Solutions ......................................................... 34 [+] Feedback |
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