User's Manual

AMICWare RFID Expert Software
Ver. 1.0F
28
Annex 1.4 Mifare S70 (Philips)
Complete Mifare S70 specification can be found in the Philips publication titled
“Mifare Standard 4k byte Card IC MF1 IC S70 Functional Specification”.
Figure 29 - Memory Structure of the Mifare S70
Sector Block 16 bytes per block Description
15 Sector Trailer 39
14 Data
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39
to
32
0 Data
3 Sector Trailer 31
2 Data
1 Data
31
0 Data
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3 Sector Trailer 0
2 Data
1 Data
0
0 Manufacturer Data
※ 4K byte EEPROM memory is organized in 32 sectors with 4 blocks and in 8 sectors with 16
blocks. One block consists of 16 bytes.
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User can set passwords (Key A, Key B) for each sector.
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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 S70 chip.
Unique Tag ID – 32 bits (4 bytes)