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NTP53X2 Datasheet(PDF) 93 Page - NXP Semiconductors |
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NTP53X2 Datasheet(HTML) 93 Page - NXP Semiconductors |
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93 / 133 page  NXP Semiconductors NTP53x2 NTAG 5 link - NFC Forum-compliant I2C bridge NTP53x2 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2020. All rights reserved. Product data sheet Rev. 3.3 — 3 July 2020 COMPANY PUBLIC 544533 93 / 133 Table 208. EAS ALARM Response format(Option flag logic 1) Flags EAS ID value CRC16 8 bits 16 bits 16 bits Table 209. EAS ALAMR response format when Error_flag is set Flags Error Code CRC16 8 bits 8 bits 16 bits If the EAS mode is disabled, the IC remains silent. Remark: NTAG 5 link in the QUIET state will not respond to an EAS ALARM command except the addressed flag is set. 8.2.3.9.9 PROTECT EAS/AFI Command code = A6h In plain password mode the PROTECT EAS/AFI command enables the password protection for EAS and/or AFI if the EAS/AFI password is first transmitted with the SET PASSWORD command. In AES mode, the PROTECT EAS/AFI command enables the protection for EAS and/or AFI if a valid mutual authentication with the EAS/AFI privilege has been executed before. Option_flag set to 0b: EAS will be protected. Option_flag set to 1b: AFI will be protected. Both protections (AFI and EAS) can be enabled separately. Once the EAS/AFI protection is enabled, it is not possible to change back to unprotected EAS and/or AFI. The timing of the command is write-alike as of write commands with Option_flag set to 0b. Note: Option_flag is only related to the parameter to be locked, and NOT to the response behavior. Table 210. PROTECT EAS/AFI request format Flags PROTECT EAS/AFI Manuf. code UID CRC16 8 bits 8 bits 8 bits 64 bits (optional) 16 bits Table 211. PROTECT EAS/AFI response format when Error_flag is NOT set Flags CRC16 8 bits 16 bits Table 212. PROTECT EAS/AFI response format when Error_flag is set Flags Error Code CRC16 8 bits 8 bits 16 bits |
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