NT2H0301F0DTL,125 데이터 시트보기 (PDF) - NXP Semiconductors.

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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

7.2.1 Idle state

After a Power-On Reset (POR), the NTAG203F switches directly to the idle state. It only

exits this state when a REQA or a WUPA command is received from the NFC device. Any

other data received while in the idle state is interpreted as an error and the NTAG203F

remains Idle.

After a correctly executed HALT command, the halt state changes to the wait state which

can be exited with a WUPA command.

7.2.2 Ready1 state

In this state, the NTAG203F supports the NFC device when resolving the first part of its

UID (3 bytes) with the ANTICOLLISION or SELECT command from cascade level 1. This

state is exited correctly after execution of either of the following commands:

• SELECT command from cascade level 1: the NFC device switches NTAG203F into

Ready2 state where the second part of the UID is resolved.

• READ command (from address 0): all anticollision mechanisms are bypassed and

NTAG203F switches directly to the active state.

Remark: If more than one NTAG203F is in the NFC device field, a READ command from

address 0 causes a collision due to the different serial numbers and all NTAG203F

devices are selected. Any other data received in the Ready1 state is interpreted as an

error and depending on its previous state the NTAG203F returns to the wait, idle or halt

state.

7.2.3 Ready2 state

In this state, the NTAG203F supports the NFC device when resolving the second part of

its UID (4 bytes) with the cascade level 2 ANTICOLLISION command. This state is usually

exited using the cascade level 2 SELECT command.

Alternatively, state Ready2 may be skipped using a READ command (from address 0) as

described in state Ready1.

Remark: If more than one NTAG203F is in the NFC device field, a READ command from

address 0 causes a collision due to the different serial numbers and all NTAG203F

devices are selected. The response of the NTAG203F to the cascade level 2 SELECT

command is the Select Acknowledge (SAK) byte. In accordance with ISO/IEC 14443 this

byte indicates if the anticollision cascade procedure has finished. The NTAG203F is now

uniquely selected and only this device will communicate with the NFC device even when

other contactless devices are present in the NFC device field. Any other data received

when the device is in this state is interpreted as an error and depending on its previous

state the NTAG203F returns to the wait, idle or halt state.

7.2.4 Active state

In the active state either a 16-byte READ or 4-byte WRITE command can be performed.

The HALT command exits either the READ or WRITE commands in their active state. Any

other data received when the device is in this state is interpreted as an error and

depending on its previous state the NTAG203F returns to the wait, idle or halt state.

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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