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Motore di ricerca datesheet componenti elettronici |
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Motore di ricerca datesheet componenti elettronici |
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ST25DV16K Scheda tecnica(PDF) 11 Page - STMicroelectronics |
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ST25DV16K Scheda tecnica(HTML) 11 Page - STMicroelectronics |
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11 / 200 page  Figure 7. Memory organization Area 1 Area 2 Area 3 Area 4 CC File Dynamic registers Fast Transfer Mode 256 Bytes buffer Static configuration registers Device information UID, AFI, DSFID Passwords Always readable User memory (EEPROM up to 64-Kbits) Password protected System configuration (EEPROM) Password protected Dynamic configuration and activity status Fast Transfer Mode mailbox 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 be set with 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. Table 2 shows how memory is seen from RF interface and from I2C interface. ST25DV04K ST25DV16K ST25DV64K User memory DS10925 - Rev 9 page 11/200 |
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