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NTP53X2 데이터시트(PDF) 68 Page - NXP Semiconductors

부품명 NTP53X2
상세설명  NTAG 5 link - NFC Forum-compliant I2C bridge
PDF  133 Pages
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제조업체  NXP [NXP Semiconductors]
홈페이지  http://www.nxp.com
Logo NXP - NXP Semiconductors

NTP53X2 데이터시트(HTML) 68 Page - NXP Semiconductors

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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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