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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

7.2 State diagram and logical states description

Commands are initiated by the NFC device and controlled by the NTAG203F command

interpreter. This processes the internal states and generates the appropriate response.

POR

STATE

DIAGRAM

TYPICAL

TRANSACTION

TIME

Idle

state

Halt

state

REQA command

WUPA command

WUPA command

Ready 1

state

ANTICOLLISION command

SELECT command

of cascade level 1

HALT command

identification

and

selection

procedure

READ command

from address 0

Ready 2

state

READ command

from address 0

ANTICOLLISION command

SELECT command

of cascade level 2

5 ms without collision

+1 ms for each collision

Active

state

memory

operations

WRITE

of 4 Byte

READ

of 16 Byte

READ (16 bytes): 2.0 ms

WRITE (4 bytes): 4.6 ms

C. WRITE (4 bytes): 6.2 ms

001aak569

Fig 4.

In all states, the command interpreter will return to the idle state on receipt of an unexpected

command. If the IC was previously in the halt state, it will return to that state.

Communication principle state diagram - 4-byte; 16-byte

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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