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NTP53X2 bảng dữ liệu(PDF) 83 Page - NXP Semiconductors |
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83 / 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 83 / 133 • Mask length (most significant bit equal 1b) • Extended Options • Mask value (if mask length > 0) • First Block Number to be read, if specified in extended options byte • Number of Blocks to be read, if specified in extended options byte • CRC 16 Table 176. Inventory Read (extended mode) request format Flags INVENTORY READ Manuf. code AFI Mask Length ext.Optio ns Mask Value First block number Number of blocks CRC 16 8 bits 8 bits 8 bits 8 bits (optional) 8 bits 8 bits 0 to 64 bits 8 bits (optional) 8 bits (optional) 16 bits If the Inventory_flag is set to 1b, only NTAG 5 link in the READY or SELECTED (SECURE) state will respond (same behavior as in the INVENTORY command). The meaning of flags 5 to 8 is in accordance with table 5 in ISO/IEC 15693. The INVENTORY READ command can also be transmitted in the addressed or SELECTED mode (see Section 8.2.3.5.1.3). Table 177. Extended options Bit Name Value Feature 7 RFU 0 6 RFU 0 0 remain in current state 5 QUIET 1 go to QUIET state after response 0 NTAG 5 link will add the user memory blocks in the response as requested with first block number byte and number of blocks byte in the command 4 SKIP_DATA 1 No user memory data is requested, first block number byte and number of blocks byte shall not be transmitted in the command 0 Custom ID (CID) will be NOT transmitted in the response 3 CID_RESPONSE 1 Custom ID (CID) will be transmitted in the response 0 No CID is transmitted in the command 2 CID_COMPARE 1 16-bit CID will be transmitted in the command and only NTAG 5 link with the same CID will respond 0 UID will be transmitted as in regular mode (truncated reply depending on least significant 7 bits value of mask length and the mask value) 1 UID_MODE 1 Complete UID will be transmitted (independent from mask length) 0 NTAG 5 link responds independent from the EAS status 0 EAS_MODE 1 Respond only, when EAS is enabled If the Option_flag in the request is set to 1b the response contains the truncated or complete UID depending on the extended option UID_MODE bit. If the Option_flag in the request is set to 0b the UID is not part of the response. |
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