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PDF ST25TA02K Data sheet ( Hoja de datos )
| Número de pieza | ST25TA02K | |
| Descripción | NFC Forum Type 4 Tag IC | |
| Fabricantes | STMicroelectronics | |
| Logotipo |  |
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ST25TA02K
NFC Forum Type 4 Tag IC with 2-Kbit EEPROM
Wafer (SB12I)
Features
Contactless interface
• NFC Forum Type 4 Tag
• ISO/IEC 14443 Type A
• 106 Kbps data rate
• Internal tuning capacitance: 50 pF
Memory
• 256-byte (2-kbit) EEPROM
• Support of NDEF data structure
• Data retention: 200 years
• Endurance: 1 million erase-write cycles
• Read up to 255 bytes in a single command
• Write up to 54 bytes in a single command
• Chaining capability
• 7 bytes unique identifier (UID)
• 128 bits passwords protection
• 20 bits event counter with anti-tearing
Datasheet - preliminary data
Description
The ST25TA02K device is a NFC tag IC.
It embeds an EEPROM memory. It can be
operated from a 13.56 MHz RFID reader or an
NFC phone.
The ST25TA02K is an NFC Forum Type 4 Tag; it
communicates using the ISO/IEC 14443 Type A
protocol.
May 2015
DocID027801 Rev 1
This is preliminary information on a new product now in development or undergoing evaluation. Details are subject to
change without notice.
1/50
www.st.com
1
1 page  
ST25TA02K
List of tables
List of tables
Table 1.
Table 2.
Table 3.
Table 4.
Table 5.
Table 6.
Table 7.
Table 8.
Table 9.
Table 10.
Table 11.
Table 12.
Table 13.
Table 14.
Table 15.
Table 16.
Table 17.
Table 18.
Table 19.
Table 20.
Table 21.
Table 22.
Table 23.
Table 24.
Table 25.
Table 26.
Table 27.
Table 28.
Table 29.
Table 30.
Table 31.
Table 32.
Table 33.
Table 34.
Table 35.
Table 36.
Table 37.
Table 38.
Table 39.
Table 40.
Table 41.
Table 42.
Table 43.
Table 44.
Table 45.
Table 46.
Table 47.
Table 48.
Signal names . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Functional mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
File identifier . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
CC file layout for 1 NDEF file . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
NDEF file layout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Field list. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Details about the Counter config field . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Read access right . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Write access right . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
RF command sets. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
I-Block format . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
PCB field of the I-Block format . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
C-APDU format . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
R-APDU format . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
R-Block format . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
R-Block detailed format . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
S-Block format . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
S-Block detailed format. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Command set overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Status code of the ST25TA02K . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Error code of the ST25TA02K . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
C-APDU of the NDEF Tag Application Select command . . . . . . . . . . . . . . . . . . . . . . . . . . 27
R-APDU of the NDEF Tag Application Select command . . . . . . . . . . . . . . . . . . . . . . . . . . 27
C-APDU of the Capability Container Select command . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
R-APDU of the Capability Container Select command . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
C-APDU of the NDEF Select command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
R-APDU of the NDEF Select command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
C-APDU of the System File Select command. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
R-APDU of the System File Select command. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
C-APDU of the ReadBinary command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
R-APDU of the ReadBinary command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
C-APDU of the UpdateBinary command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
R-APDU of the UpdateBinary command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Verify command format. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
R-APDU of the Verify command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
Change reference data command format . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
R-APDU of the Change Reference Data command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
Enable Verification Requirement command format . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
R-APDU of the Enable Verification Requirement command. . . . . . . . . . . . . . . . . . . . . . . . 35
Disable Verification Requirement command format . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
R-APDU of the Disable Verification Requirement command . . . . . . . . . . . . . . . . . . . . . . . 36
C-APDU of the ExtendedReadBinary command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
R-APDU of the ExtendedReadBinary command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
EnablePermanentState command format. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
R-APDU table of the EnablePermanentState command . . . . . . . . . . . . . . . . . . . . . . . . . . 37
Commands issues by the RF host . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
Example of anticollision sequence . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
RATS command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
DocID027801 Rev 1
5/50
6
5 Page 
ST25TA02K
ST25TA02K memory management
3 ST25TA02K memory management
3.1
3.1.1
3.1.2
Memory structure
The ST25TA02K supports the NDEF Tag Application as defined in the NFC Forum Type 4
Tag. The ST25TA02K is composed of three files:
• One Capability Container file
• One NDEF file
• One System file: this file is an ST-proprietary file
The System file contains some information on the configuration of the ST25TA02K device.
The CC file gives some information about the ST25TA02K itself and the NDEF file. The
NDEF file contains the User data.
File identifier
The file identifier is the value used in the Select command to select a file.
File identifier
0xE101
0xE103
0x0001
Table 3. File identifier
Meaning
System file
CC file
NDEF file
CC file layout
The CC file gives some information about the ST25TA02K and the NDEF file. This file is a
read-only file for the RF host and cannot be modified by issuing a write command.
The T field, Read Access and Write Access fields can be changed by the RF host by issuing
a specific process (refer to Section 7: Functional procedures).
Table 4. CC file layout for 1 NDEF file
File offset
Meaning
Value
0x0000
0x0002
Length CC file
Mapping version(1)
0x000F
0x20 or 0x10
0x0003
Maximum number of bytes that can be read 0x00FF
0x0005
Maximum number of bytes that can be written 0x0036
Comments
15 bytes
V 2.0 or V 1.0
255 bytes
54 bytes
DocID027801 Rev 1
11/50
11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet ST25TA02K.PDF ] | |
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