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NTP53X2 датащи(PDF) 97 Page - NXP Semiconductors |
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NTP53X2 датащи(HTML) 97 Page - NXP Semiconductors |
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97 / 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 97 / 133 NTAG 5 Bit Name Description NTP5210 NTP5312 NTP5332 NTA5332 0 TAG AUTH Tag Authentication feature supported (see Section 8.6.4) 0b 1b Table 223. Feature flags byte 3 NTAG 5 Bit Name Description NTP5210 NTP5312 NPT5332 NTA5332 7 EXT FLAG Additional 32 bits feature flags are transmitted 0b 00b only NFC interface available 01b GPIO/ED host interface 10b RFU 6-5 Interface 11b GPIO and I2C host interface 01b 11b 4 RFU 0b 3 to 0 NUM KEYS Number of Keys 0h 4h Table 224. GET NXP SYSTEM INFORMATION response format when Error_flag is set Flags Error Code CRC16 8 bits 8 bits 16 bits 8.2.3.9.15 PICK RANDOM ID Command code = C2h In AES mode the PICK RANDOM ID commandinstructs NTAG 5 link in NFC PRIVACY Mode to generate a random ID. After a valid PICK RANDOM ID command, the IC will respond with that random ID on following INVENTORY commands or GET SYSTEM INFORMATION command until an RF reset to allow an anti-collision procedure.The random ID will include the CID to identify the group-password or group-key to disable the privacy mode. Only Option_flag = 0b is supported. Table 225. PICK RANDOM ID request format Flags Pick Random ID Manuf. code UID CRC16 8 bits 8 bits 8 bits 64 bits (optional) 16 bits Table 226. PICK RANDOM ID response format when Error_flag is NOT set Flags CRC16 8 bits 16 bits |
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