M24SR64-Y datasheet(49/90 Pages) STMICROELECTRONICS

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M24SR64-Y

I²C and RF command sets

5.8.3

DisablePermanentState command

The command configures the NDEF file to the Lock state.

This command can update the right access of the NDEF file by writing into the EEPROM. In

this case, the response timing will be around 6 ms. This command is only valid in I2C. The

SuperUser rights must have been granted to execute the command.

Before sending this command, an NDEF file shall be selected by issuing the NDEF Select

command.

Table 50 defines the DisablePermanentState requirement command.

Table 51 defines the R-APDU of the DisablePermanentState command.

Value

0x69

0x82

Security status not satisfied

Value

0x6A

0x80

CC file or System file selected

Value

0x6A

0x82

File or application not found

Value

0x6A

0x86

Incorrect P1 or P2 values

Value

0x6E

0x00

Class not supported

Table 49. R-APDU table of the EnablePermanentState command (continued)

Data

SW1

SW2

comment

Table 50. DisablePermanentState command format

Name

CLA

INS

P1 & P2

Data

Length

0xA2

0x26

2 bytes

Class byte

Instruction code

New security attributes

0x0001: Disable the read protection of the NDEF file

0x0002: Disable the write protection of the NDEF file

Other: RFU

Table 51. R-APDU of the DisablePermanentState command

Data

SW1

SW2

comment

Length

1 byte

Value

0x90

0x00

Command completed

Value

0x65

0x81

Update failed

Value

0x67

0x00

Wrong length

Value

0x69

0x82

Security status not satisfied

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