User's Manual

AMICWare RFID Expert Software
Ver. 1.0F
27
Annex 1.3 Mifare S50 (Philips)
Complete Mifare S50 specification can be found in the Philips publication titled
“Mifare Standard Card IC MF1 IC S50 Functional Specification”.
Figure 28 - Memory Structure of the Mifare S50
Sector Block 16 bytes per block Description
3 Sector Trailer 15
2 Data
1 Data
15
0 Data
3 Sector Trailer 14
2 Data
1 Data
14
0 Data
‧
‧
‧
‧
‧
‧
‧
‧
‧
3 Sector Trailer 0
2 Data
1 Data
0
0 Manufacturer Data
※
1K byte EEPROM memory is organized in 16 sectors with 4 blocks of 16 bytes each.
※ User can set passwords (Key A, Key B) for each sector.
※ Each sector has a sector trailer containing the secret keys A and B(optional) and access
condition for four blocks of that sector.
※
A 32-bit ID (factory programmed) uniquely identifies each Mifare S50 chip.
Unique Tag ID – 32 bits (4 bytes)