![]() NOTE: This numbering is just to understand the memory layout. Sector 1 has Blocks 4, 5, 6 and 7 and so on and finally Sector 15 has Blocks 60, 61, 62 and 63. Understanding memory Map of MIFARE 1K Tagįor example, Sector 0 has Blocks 0, 1, 2 and 3. A typical MIFARE 1K RFID tag has 1K Byte of memory organized into 16 Sectors (Sector 0 to Sector 15). Next, you can see the actual memory dump of the MIFARE 1K Tag. In this case, the UID is ‘6C 08 88 17’, SAK is ‘08’ and the type of card is MIFARE 1K. After scanning the RFID Card, we get the UID, SAK and Type of RFID tag. ![]() ![]() Here, ‘9’ stands for MFRC522 IC and ‘2’ stands for software version 2.0. ![]() The first line shows the firmware version of the MFRC522 IC. The following image is a screen shot of the serial monitor output of ‘DumpInfo’ example. It is very important to understand the memory layout of the RFID Tag as we will know what is the significance of each memory location, what memory locations are reserved and what locations are free to use for storing user data. If you upload the ‘DumpInfo’ example and open the serial monitor, Arduino will print all the contents of the MIFARE 1K RFID Tag on the serial monitor after scanning it properly. Understanding memory Map of MIFARE 1K TagĪ Brief Look at Memory Map of MIFARE 1K Tag.A Brief Look at Memory Map of MIFARE 1K Tag.
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