mf1s7009 NXP Semiconductors, mf1s7009 Datasheet - Page 13

• Manufacturer Part Number: mf1s7009
• Description: Mainstream Contactless Smart Card Ic For Fast And Easy Solution Development
• Manufacturer: NXP Semiconductors

NXP Semiconductors
MF1S7009
Product data sheet
PUBLIC
9.6.3 Sector trailer
Each sector has a sector trailer. Due to the memory configuration of the MF1ICS70 this
sector trailer is located in block 3 of each sector in the first 2 kB of the NV-memory
respectively in block 15 of each sector in the upper 2 kB of the 4 kB NV-memory.
Each sector trailer holds the
If key B is not needed, the last 6 bytes of the sector trailer can be used as data bytes.Byte
9 of the sector trailer is available for user data. For this byte the same access rights as for
byte 6, 7 and 8 apply.
All keys are set to FFFFFFFFFFFFh at chip delivery.
Fig 9.
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secret keys A and B (optional), which return logical “0”s when read and
the access conditions for the four blocks of that sector, which are stored in bytes 6...9.
The access bits also specify the type (read/write or value) of the data blocks.
Sector trailer
Byte Number
Description
All information provided in this document is subject to legal disclaimers.
0
Rev. 3 — 26 July 2010
1
2
Key A
193031
3
4
5
6
Access Bits
7
Mainstream contactless smart card IC
8
9
10
11
Key B (optional)
12
MF1S7009
13
© NXP B.V. 2010. All rights reserved.
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