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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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NTP53X2 датащи(PDF) 68 Page - NXP Semiconductors |
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NTP53X2 датащи(HTML) 68 Page - NXP Semiconductors |
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68 / 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 68 / 133 Table 123. GET RANDOM NUMBER response format when Error_flag is set Flags Error Code CRC16 8 bits 8 bits 16 bits 8.2.3.3.2 SET PASSWORD Command code = B3h The SET PASSWORD command enables the different passwords to be transmitted to the IC to access the different protected functionalities of the following commands. The SET PASSWORD command has to be executed just once for the related password if the IC is powered. Remark: The SET PASSWORD command can only be executed in addressed or selected mode and the timing of the SET PASSWORD command is write alike. The XOR password has to be calculated with the password and two times the received random number from the last GET RANDOM NUMBER command: XOR_Password[31:0] = Password[31:0] XOR {Random_Number[15:0], Random_Number[15:0]}. The different passwords are addressed with the password identifier. Only Option_flag = 0b is supported. Table 124. SET PASSWORD request format Flags SET PASSWORD Manuf. code UID Password identifier XOR password CRC16 8 bits 8 bits 8 bits 64 bits (optional) 8 bits 32 bits 16 bits Table 125. Password Identifier Password Identifier Password 01h Read 02h Write 04h see Section 8.2.3.3.10 08h Destroy 10h EAS/AFI 40h Read from AREA_1 80h Write to AREA_1 Table 126. SET PASSWORD response format when Error_flag is NOT set Flags CRC16 8 bits 16 bits |
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