SRTAG2KL View Datasheet(PDF) - STMicroelectronics

Part Name

Description

MFG CO.

SRTAG2KL

NFC Forum Type 4 Tag IC with 2-Kbit EEPROM

STMicroelectronics 

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SRTAG2KL

RF command sets

NFC frame

Table 15. R-Block format

SoD

PCB

DID

Length

1 byte

1 byte

R(ACK) without the DID field: 0xA2 or 0xA3

R(ACK) with the DID field: 0xAA or 0xAB

R(NAK) without the DID field: 0xB2 or 0xB3

R(NAK) with the DID field: 0xBA or 0xBB

DID field (optional)

-

2 CRC bytes

Payload

0 byte

EoD

CRC

2 bytes

There are two kinds of R-Blocks:

• R(ACK): the acknowledgment block sent by the RF host or by the SRTAG2KL

• R(NAK): the non-acknowledgment block sent by the RF host

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