SRTAG512L datasheet(15/51 Pages) STMICROELECTRONICS

Part #	SRTAG512L

Description	NFC Forum Type 4 Tag IC with 512 bits EEPROM

PDF	51 Pages

Scroll/Zoom	100%

Manufacturer	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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15 / 51 page

DocID027439 Rev 2

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SRTAG512L

SRTAG512L memory management

Figure 2. Changing the read access right to an NDEF file

1. See the procedure to lock the read access (Section 7.4: Locking an NDEF file).

2. See the procedure to unlock the read access (Section 7.5: Unlocking an NDEF file).

3. See the procedure to permanently lock the read access (Section 7.6: Reaching the read-only state for an

NDEF file).

4. Proprietary state, not defined by NFC Forum Type 4 Tag.

3.2.3

Changing the write access right to NDEF files

The state diagram on Figure 3 shows how to change the write access right to an NDEF file.

Figure 3. Changing the write access right to an NDEF file

1. See the procedure to lock the write access.

2. See the procedure to unlock the write access.

3. See the procedure to permanently lock the write access (Section 7.6: Reaching the read-only state for an

NDEF file).

4. Proprietary state, not defined by NFC Forum Type 4 Tag.

SRTAG512L Datasheet(PDF) 15 Page - STMicroelectronics