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OM25180FDKM Datasheet(PDF) 28 Page - NXP Semiconductors |
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OM25180FDKM Datasheet(HTML) 28 Page - NXP Semiconductors |
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28 / 149 page  PN5180 All information provided in this document is subject to legal disclaimers. © NXP Semiconductors N.V. 2016. All rights reserved. Product data sheet COMPANY PUBLIC Rev. 3.0 — 7 October 2016 240930 28 of 149 NXP Semiconductors PN5180 High-performance multi-protocol full NFC Forum-compliant frontend MIFARE_AUTHENTICATE Description: This command is used to perform a MIFARE Classic Authentication on an activated card. It takes the key, card UID and the key type to authenticate at a given block address. The response contains 1 byte indicating the authentication status. Condition: Field ‘Key’ must be 6 bytes long. Field ‘Key Type’ must contain the value 0x60 or 0x61. Block address may contain any address from 0x0 – 0xff, inclusive. Field ‘UID’ must be 4 bytes long and should contain the 4 byte UID of the card. An ISO14443-3 MIFARE Classic card should be put into state ACTIVE or ACTIVE* prior to execution of this instruction. In case of an error related to the authentication, the return value ‘Authentication Status’ is set accordingly (see Table 25). Attention: Timer2 is not available during the MIFARE Authentication If the condition is not fulfilled, an exception is raised. Table 25. MIFARE_AUTHENTICATE Payload Length (bytes) Value/Description Command code 1 0x0C Parameter 6 Key: Authentication key to be used 1 Key type to be used: 0x60 Key type A 0x61 Key type B 1 Block address: The address of the block for which the authentication has to be performed. 4 UID of the card Return value 1 Authentication Status Table 26. Authentication status return value Payload Field Length (byte) Value/Description Authentication Status 1 0 Authentication successful. 1 Authentication failed (permission denied). 2 Timeout waiting for card response (card not present). 3..FF RFU |
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