NTP53X2 datasheet(42/133 Pages) NXP

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NXP Semiconductors

NTP53x2

NTAG 5 link - NFC Forum-compliant I2C bridge

NTP53x2

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

Product data sheet

Rev. 3.3 — 3 July 2020

COMPANY PUBLIC

544533

42 / 133

Table 69. Restricted AREA_1 Pointer location

Block Address

NFC

I2C

Byte 0

Byte 1

Byte 2

Byte 3

3Fh

103Fh

DEV_SEC_CONFIG

SRAM_CONF_PROT

PP_AREA_1 (LSB)

PP_AREA_1 (MSB)

In below example, NFC protection pointer (NFC_PP_AREA_0H) is set to 50h and

PP_AREA_1 is set to 0060h, e.g. PP_AREA_1 (LSB) is 60h and PP_AREA_1 (MSB) is

00h. This example illustrates the view from NFC perspective.

From I2C perspective Area 1 will be the same, however Area 0-L and Area 0-H may look

different depending on I2C protection pointer.

Table 70. Memory organization example from NFC perspective

Block

Byte 0

Byte 1

Byte 2

Byte 3

Description

0000h

0001h

0002h

...

004Fh

AREA_0-L

0050h

0051h

...

005Fh

AREA_0-H

0060h

0061h

...

01FEh

AREA_1

01FFh

00h

PROT

Counter

8.1.3.25 Application Family Identifier

The Application Family Identifier (AFI) represents the type of application targeted by the

device and is used to extract from all the ICs present only the ICs meeting the required

application criteria.

AFI can be configured using WRITE AFI command (see Section 8.2.3.9.1) or directly

writing AFI byte to configuration memory using WRITE CONFIG command (see

Section 8.2.3.2.2).

Default value of AFI is 00h.

From I2C perspective, this byte can be accessed with normal READ and WRITE

commands as long as not locked by I2C section locks.

Table 71. Application Family Identifier (AFI) location

Block Address

NFC

I2C

Byte 0

Byte 1

Byte 2

Byte 3

55h

1055h

AFI

RFU

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