User's Manual

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Example:
HOST=>READER: 0x49 – MFUC_AUTHENTICATE
0x00 – key number
READER=>HOST: 0x00 – ACK byte
0x49 – related command code MFUC_AUTHENTICATE
3.4.11 Check Tearing Event (0x4A)
The Check Tearing Event command takes as arguments one byte with the counter number. This command
checks whether there was a tearing event in the counter. The returned ACK response contains result byte.
The value ‘0x00’ is returned if there has been no tearing event, and ‘0x01’ is returned if a tearing event
occurred. Please refer to the NXP documentation for more information.
Command description
Argument
Size
Value
Description
Command ID
1
0x49
MFU_CHECKEVENT
Key number
1
0
-
4
Key number in
key storage
Response
description
ACK
1
0x00
Command ID
1
0x49
MFU_CHECKEVENT
Example:
HOST=>READER: 0x49 – MFU_CHECKEVENT
0x00 – counter number
READER=>HOST: 0x00 – ACK byte
0x49 – related command code MFU_CHECKEVENT
0x01 – tearing event occurred