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CY14B512Q2 Datasheet(PDF) 2 Page - Cypress Semiconductor |
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CY14B512Q2 Datasheet(HTML) 2 Page - Cypress Semiconductor |
2 / 27 page CY14B512Q1 CY14B512Q2 CY14B512Q3 Document #: 001-53873 Rev. *E Page 2 of 27 Contents Pinouts .............................................................................. 3 Device Operation .............................................................. 5 SRAM Write................................................................. 5 SRAM Read ................................................................ 5 STORE Operation ....................................................... 5 AutoStore Operation.................................................... 6 Software STORE Operation ........................................ 6 Hardware STORE and HSB pin Operation ................. 6 RECALL Operation...................................................... 6 Hardware RECALL (Power-Up) .................................. 6 Software RECALL ....................................................... 7 Disabling and Enabling AutoStore............................... 7 Serial Peripheral Interface ............................................... 7 SPI Overview............................................................... 7 SPI Modes................................................................... 8 SPI Operating Features.................................................... 9 Power-Up .................................................................... 9 Power On Reset .......................................................... 9 Power-Down................................................................ 9 Active Power and Standby Power Modes ................... 9 SPI Functional Description.............................................. 9 Status Register ............................................................... 10 Read Status Register (RDSR) Instruction ................. 10 Write Status Register (WRSR) Instruction ................ 10 Write Protection and Block Protection......................... 11 Write Enable (WREN) Instruction.............................. 11 Write Disable (WRDI) Instruction .............................. 11 Block Protection ........................................................ 11 Write Protect (WP) Pin .............................................. 12 Memory Access .............................................................. 12 Read Sequence (READ) instruction.......................... 12 Write Sequence (WRITE) instruction ........................ 12 Software STORE (STORE) instruction...................... 14 Software RECALL (RECALL) instruction .................. 14 AutoStore Enable (ASENB) Instruction ..................... 14 AutoStore Disable (ASDISB) Instruction ................... 14 HOLD Pin Operation ................................................. 15 Best Practices................................................................. 15 Maximum Ratings........................................................... 16 DC Electrical Characteristics ........................................ 16 Data Retention and Endurance ..................................... 17 Capacitance .................................................................... 17 Thermal Resistance........................................................ 17 AC Test Conditions ........................................................ 17 AC Switching Characteristics ....................................... 18 AutoStore or Power-Up RECALL .................................. 19 Software Controlled STORE and RECALL Cycles ...... 20 Hardware STORE Cycle ................................................. 21 Ordering Information...................................................... 22 Ordering Code Definition........................................... 22 Package Diagrams.......................................................... 23 Acronyms ....................................................................... 25 Document Conventions ................................................. 25 Units of Measure ....................................................... 25 Document History Page ................................................. 26 Sales, Solutions, and Legal Information ...................... 27 Worldwide Sales and Design Support....................... 27 Products .................................................................... 27 PSoC Solutions ......................................................... 27 [+] Feedback [+] Feedback |
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