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CY14C101PA-SF104XIT Datasheet(PDF) 2 Page - Cypress Semiconductor |
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CY14C101PA-SF104XIT Datasheet(HTML) 2 Page - Cypress Semiconductor |
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2 / 44 page  PRELIMINARY CY14C101PA CY14B101PA CY14E101PA Document #: 001-54392 Rev. *C Page 2 of 44 Contents Pinouts .............................................................................. 3 Device Operation .............................................................. 4 SRAM Write................................................................. 4 SRAM Read ................................................................ 4 STORE Operation ....................................................... 4 AutoStore Operation.................................................... 4 Software STORE Operation ........................................ 5 Hardware STORE and HSB pin Operation ................. 5 RECALL Operation...................................................... 5 Hardware RECALL (Power Up)................................... 5 Software RECALL ....................................................... 5 Disabling and Enabling AutoStore............................... 5 Serial Peripheral Interface ............................................... 6 SPI Overview............................................................... 6 SPI Modes ......................................................................... 7 SPI Operating Features.................................................... 8 Power-Up .................................................................... 8 Power-On Reset.......................................................... 8 Power Down ................................................................ 8 Active Power and Standby Power Modes ................... 8 SPI Functional Description.............................................. 9 Status Register ............................................................... 10 Read Status Register (RDSR) Instruction ................. 10 Fast Read Status Register (FAST_RDSR) Instruction 10 Write Status Register (WRSR) Instruction ................ 10 Write Protection and Block Protection......................... 11 Write Enable (WREN) Instruction.............................. 11 Write Disable (WRDI) Instruction .............................. 12 Block Protection ........................................................ 12 Hardware Write Protection (WP Pin)......................... 12 Memory Access .............................................................. 12 Read Sequence (READ) Instruction.......................... 12 Fast Read Sequence (FAST_READ) Instruction ...... 12 Write Sequence (WRITE) Instruction ........................ 13 RTC Access..................................................................... 15 READ RTC (RDRTC) Instruction .............................. 15 Fast Read Sequence (FAST_RDRTC) Instruction.... 15 WRITE RTC (WRTC) Instruction............................... 16 nvSRAM Special Instructions........................................ 17 Software STORE (STORE) Instruction ..................... 17 Software RECALL (RECALL) Instruction .................. 17 AutoStore Enable (ASENB) Instruction ..................... 17 AutoStore Disable (ASDISB) Instruction ................... 17 Special Instructions ....................................................... 17 SLEEP Instruction ..................................................... 17 Serial Number ........................................................... 18 Device ID................................................................... 20 HOLD Pin Operation ................................................. 21 Real Time Clock Operation............................................ 22 nvTIME Operation ..................................................... 22 Clock Operations....................................................... 22 Reading the Clock ..................................................... 22 Setting the Clock ....................................................... 22 Backup Power ........................................................... 22 Stopping and Starting the Oscillator.......................... 22 Calibrating the Clock ................................................. 23 Alarm ......................................................................... 23 Watchdog Timer ........................................................ 23 Programmable Square Wave Generator................... 24 Power Monitor ........................................................... 24 Backup Power Monitor .............................................. 24 Interrupts ................................................................... 24 Interrupt Register....................................................... 24 Flags Register ........................................................... 26 Best Practices................................................................. 31 Maximum Ratings........................................................... 32 DC Electrical Characteristics ........................................ 32 Data Retention and Endurance .................................... 33 Capacitance .................................................................... 33 Thermal Resistance........................................................ 33 AC Test Conditions ........................................................ 34 RTC Characteristics ....................................................... 35 AC Switching Characteristics ....................................... 35 AutoStore or Power Up RECALL .................................. 37 Switching Waveforms .................................................... 37 Software Controlled STORE/RECALL Cycles.............. 38 Hardware STORE Cycle ................................................. 39 Ordering Information...................................................... 40 Ordering Code Definition........................................... 40 Package Diagram............................................................ 41 Acronyms ........................................................................ 42 Document Conventions ................................................. 42 Units of Measure ....................................................... 42 Document History Page ................................................ 43 Sales, Solutions, and Legal Information ...................... 44 Worldwide Sales and Design Support....................... 44 Products .................................................................... 44 PSoC Solutions ......................................................... 44 [+] Feedback |
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