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NT2H0301F0DTL,125

NFC Forum Type 2 Tag compliant IC with 144 bytes user memory and field detection

NXP Semiconductors. 

NXP Semiconductors

NTAG203F

NFC Forum compliant IC with user memory and field detection

7.9.8 COMPATIBILITY WRITE

Table 16. COMPATIBILITY WRITE

Code Parameter/ARG

Data

A0h ADR: ‘02h’ to ‘29h’ 16 Byte

Integrity mechanism Response

Parity, CRC

ACK or NAK

Description: The COMPATIBILITY WRITE command was implemented to accommodate

the established NFC device infrastructure. Even though 16 bytes are transferred to the

NTAG203F, only the least significant 4 bytes (bytes D0 to D3) will be written to the

specified address. It is recommended to set the remaining bytes D4 to D15 to all ‘0’.

RWD

command

CMD ARG

CRC

A0 ADR C0 C1

16 byte data

D0 ... D15

CRC

C0 C1

NTAG

response

350 µs

ACK

50 µs

90 µs

NAK

50 µs

1540 µs

90 µs

NAK

50 µs

4110 µs

Remark: Time units are not to scale and rounded off to 10 s

Fig 18. COMPATIBILITY WRITE

time

ACK

50 µs

aaa-001152

REMARK: The timings in Fig.19 are typical timings. The NFC forum device must respect

the following minimum timings and maximum timeouts.

Table 17. COMPATIBILITY_WRITE timing

These times exclude the end of communication of the NFC Forum device.

COMPATIBILITY_WRITE 1st

ACK/NAK

TACK min

71s

TACK max TNAK min

TTimeOut

71s

TNAK max

TTimeOut

COMPATIBILITY_WRITE 2nd

ACK/NAK

71s

TTimeOut

71s

TTimeOut

TTimeOut

5 ms

10 ms

NTAG203F

Product data sheet

COMPANY PUBLIC

All information provided in this document is subject to legal disclaimers.

Rev. 3.5 — 28 September 2015

220635

© NXP Semiconductors N.V. 2015. All rights reserved.

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