ST25TA16K Datasheet, PDF (17/45 Pages) STMicroelectronics – NFC Forum Type 4 Tag IC with 16-Kbit EEPROM

ST25TA16K
5
RF command sets
RF command sets
This section describes the ST25TA16K command sets that can be issued by the RF host.
There are three command families:
• the NFC Forum Type 4 Tag command set
• the ISO/IEC 7816-4 command set
• the proprietary command set
The NFC Forum Type 4 Tag command set and the ISO/IEC 7816-4 command set use the I-
Block format. For more details about the I-Block format, refer to Section 5.2: I-Block format.
Two other command formats exist:
• the commands using the R-Block format
• the commands using the S-Block format
For more details about these formats, refer to the corresponding sections: Section 5.3: R-
Block format and Section 5.4: S-Block format.
This section gives a brief description of the RF host commands. The format of these
command sets is the I-Block format.
Table 9 lists the RF command sets.
Table 9. RF command sets
Family
command set
Command name
Class Instruction
byte
code
Brief description
NDEF Tag Application Select
CC select
0x00
0x00
0xA4
0xA4
NDEF Tag Application
Select
Select the CC file
NFC Forum
Type 4 Tag
NDEF select
System select
ReadBinary
UpdateBinary
0x00
0x00
0x00
0x00
Verify
0x00
ChangeReferenceData
ISO/IEC 7816-4
EnableVerificationRequirement
0x00
0x00
DisableVerificationRequirement 0x00
0xA4
0xA4
0xB0
0xD6
0x20
0x24
0x28
0x26
Select the NDEF file
Select the system file
Read data from file
Write or erase data to a
NDEF file
Checks the right access
of a NDEF file or sends a
password
Change a Read or write
password
Activate the password
security
Disable the password
security
ST Proprietary EnablePermanentState
ST Proprietary ExtendedReadBinary
0xA2
0xA2
0x28
0xB0
Enables the Read Only or
Write Only security state
Read data from file
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