MF1S5009DA4 NXP [NXP Semiconductors], MF1S5009DA4 Datasheet - Page 13

• Manufacturer Part Number: MF1S5009DA4
• Description: Mainstream contactless smart card IC for fast and easy solution development
• Manufacturer: NXP [NXP Semiconductors]

NXP Semiconductors
MF1S5009
Product data sheet
PUBLIC
9.7.1 Access conditions
The access conditions for every data block and sector trailer are defined by 3 bits, which
are stored non-inverted and inverted in the sector trailer of the specified sector.
The access bits control the rights of memory access using the secret keys A and B. The
access conditions may be altered, provided one knows the relevant key and the current
access condition allows this operation.
Remark: With each memory access the internal logic verifies the format of the access
conditions. If it detects a format violation the whole sector is irreversible blocked.
Remark: In the following description the access bits are mentioned in the non-inverted
mode only.
The internal logic of the MF1S5009 ensures that the commands are executed only after
an authentication procedure or never.
Table 5.
Access Bits
C1
C1
C1
C1
Fig 10. Access conditions
1
3
2
0
C2
C2
C2
C2
1
3
2
0
C3
C3
C3
C3
Byte Number
Access conditions
1
3
2
0
Byte 6
Byte 7
Byte 8
Byte 9
All information provided in this document is subject to legal disclaimers.
Valid Commands
read, write
read, write, increment, decrement,
transfer, restore
read, write, increment, decrement,
transfer, restore
read, write, increment, decrement,
transfer, restore
Bit
0
C2
C1
C3
7
Rev. 3 — 27 July 2010
3
3
3
1
2
Key A
C2
C1
C3
189131
6
2
2
2
3
4
C2
C1
C3
5
1
1
1
5
6
C2
C1
C3
Access Bits
4
0
0
0
7
Mainstream contactless smart card IC
8
C1
C3
C2
3
3
3
3
→
→
→
→
9
10
C1
C3
C2
2
2
2
2
11
Key B (optional)
Block
3
2
1
0
12
C1
C3
C2
1
MF1S5009
1
1
1
13
© NXP B.V. 2010. All rights reserved.
Description
sector trailer
data block
data block
data block
14
001aam207
C1
C3
C2
0
0
0
0
15
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