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CY14B101I Datasheet(PDF) 2 Page - Cypress Semiconductor |
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CY14B101I Datasheet(HTML) 2 Page - Cypress Semiconductor |
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2 / 42 page  CY14C101I CY14B101I CY14E101I Document Number: 001-54391 Rev. *K Page 2 of 42 Contents Pinout ................................................................................ 3 Pin Definitions .................................................................. 3 I2C Interface ...................................................................... 4 Protocol Overview ............................................................ 4 I2C Protocol – Data Transfer ....................................... 4 Data Validity ................................................................ 5 START Condition (S) ................................................... 5 STOP Condition (P) ..................................................... 5 Repeated START (Sr) ................................................. 5 Byte Format ................................................................. 5 Acknowledge / No-acknowledge ................................. 5 High-Speed Mode (Hs-mode) ..................................... 6 Slave Device Address ................................................. 7 Write Protection (WP) .................................................. 9 AutoStore Operation .................................................... 9 Hardware STORE and HSB pin Operation ................. 9 Hardware RECALL (Power-Up) ................................ 10 Write Operation ......................................................... 10 Read Operation ......................................................... 10 Memory Slave Access ............................................... 10 RTC Registers Slave Access .................................... 14 Control Registers Slave ............................................. 16 Serial Number ................................................................. 18 Serial Number Write .................................................. 18 Serial Number Lock ................................................... 18 Serial Number Read .................................................. 18 Device ID ......................................................................... 19 Executing Commands Using Command Register ..... 19 Real Time Clock Operation ............................................ 20 nvTIME Operation ..................................................... 20 Clock Operations ....................................................... 20 Reading the Clock ..................................................... 20 Setting the Clock ....................................................... 20 Backup Power ........................................................... 20 Stopping and Starting the Oscillator .......................... 20 Calibrating the Clock ................................................. 21 Alarm ......................................................................... 21 Watchdog Timer ........................................................ 21 Programmable Square Wave Generator ................... 22 Power Monitor ........................................................... 22 Backup Power Monitor .............................................. 22 Interrupts ................................................................... 22 Interrupt Register ....................................................... 22 Flags Register ........................................................... 23 Maximum Ratings ........................................................... 29 Operating Range ............................................................. 29 DC Electrical Characteristics ........................................ 29 Data Retention and Endurance ..................................... 30 Thermal Resistance ........................................................ 30 AC Test Loads and Waveforms ..................................... 31 AC Test Conditions ........................................................ 31 RTC Characteristics ....................................................... 31 AC Switching Characteristics ....................................... 32 Switching Waveforms .................................................... 32 nvSRAM Specifications ................................................. 33 Switching Waveforms .................................................... 33 Software Controlled STORE/RECALL Cycles .............. 34 Switching Waveforms .................................................... 34 Hardware STORE Cycle ................................................. 35 Switching Waveforms .................................................... 35 Ordering Information ...................................................... 36 Ordering Code Definitions ......................................... 36 Package Diagram ............................................................ 37 Acronyms ........................................................................ 38 Document Conventions ................................................. 38 Units of Measure ....................................................... 38 Document History Page ................................................. 39 Sales, Solutions, and Legal Information ...................... 42 Worldwide Sales and Design Support ....................... 42 Products .................................................................... 42 PSoC Solutions ......................................................... 42 |
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