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ST25DV64K Folha de dados(PDF) 25 Page - STMicroelectronics |
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ST25DV64K Folha de dados(HTML) 25 Page - STMicroelectronics |
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25 / 220 page ![]() DocID027603 Rev 4 25/220 ST25DV04K ST25DV16K ST25DV64K Memory management 219 Figure 7. Memory organization 4.2 User memory User memory is accessible from both RF contactless interface and I2C wired interface. From RF interface, user memory is addressed as Blocks of 4 bytes, starting at address 0. RF extended read and write commands can be used to address all ST25DVxxx memory blocks. Other read and write commands can only address up to block FFh. From I2C interface, user memory is addressed as Bytes, starting at address 0. Device select must set E2 = 0. User memory can be read in continuity. Unlike the RF interface, there is no roll-over when the requested address reaches the end of the memory capacity. |
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