ST25DV64K datasheet(185/197 Pages) STMICROELECTRONICS

185 / 197 page

5.2.3

GPO registers .......................................................... 35

5.2.4

Configuring GPO........................................................ 38

5.3

Energy harvesting (EH) ........................................................ 39

5.3.1

Energy harvesting registers................................................ 39

5.3.2

Energy harvesting feature description ........................................ 39

5.3.3

EH delivery state diagram ................................................. 41

5.3.4

EH delivery sequence .................................................... 42

5.4

RF management feature ....................................................... 43

5.4.1

RF management registers................................................. 43

5.4.2

RF management feature description ......................................... 44

5.5

Interface arbitration ............................................................ 45

5.6

Data Protection ............................................................... 46

5.6.1

Data protection registers .................................................. 46

5.6.2

Passwords and security sessions ........................................... 53

5.6.3

User memory protection .................................................. 56

5.6.4

System memory protection ................................................ 57

5.7

Device parameter registers ..................................................... 58

I2C operation .....................................................................62

6.1

I2C protocol .................................................................. 62

6.1.1

Start condition .......................................................... 62

6.1.2

Stop condition .......................................................... 63

6.1.3

Acknowledge bit (ACK) ................................................... 63

6.1.4

Data input ............................................................. 63

6.2

I2C timeout................................................................... 63

6.2.1

I2C timeout on Start condition .............................................. 63

6.2.2

I2C timeout on clock period................................................ 63

6.3

Device addressing............................................................. 64

6.4

I2C write operations ........................................................... 64

6.4.1

I2C Byte write .......................................................... 65

6.4.2

I2C Sequential write ..................................................... 65

6.4.3

Minimizing system delays by polling on ACK .................................. 67

6.5

I2C read operations ........................................................... 68

6.5.1

Random Address Read................................................... 68

6.5.2

Current Address Read ................................................... 68

6.5.3

Sequential Read access .................................................. 69

6.5.4

Acknowledge in Read mode ............................................... 70

6.6

I2C password management ..................................................... 70

ST25DV04K ST25DV16K ST25DV64K

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DS10925 - Rev 11

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