CLRC663 datasheet(47/177 Pages) NXP

47 / 177 page

NXP Semiconductors

CLRC663

High performance multi-protocol NFC frontend CLRC663 and CLRC663 plus

Address 01h

Product ID

MFRC631

C0h

MFRC630

80h

SLRC610

20h

Table 37. Product ID overview of CLRC663 family...continued

Version: This register indicates the version of the EEPROM initialization data during production.

Unique IDentifier: Unique serial number code for this device

Manufacturer Data: This data is programmed during production. The content is not intended to be used by any

application and might not be constant for different devices. Therefore the content needs to be considered to be

undefined.

Address

(Hex.)

I2C_Address

Interface I2C SAM_Address DefaultProtRx DefaultProtTx

TxCRCPreset

RxCRCPreset

Table 38. Configuration area (Page 0)

I2C-Address

Two possibilities exist to define the address of the I2C interface. This can be done either by configuring the pins

IF0, IF2 (address is then 10101xx, xx is defined by the interface pins IF0, IF2) or by writing value into the I2C

address area. The selection, which of this 2-information pin configuration or EEPROM content - is used as I2C-

address is done at EEPROM address 21h (Interface, bit4)

Interface

This section describes the interface byte configuration.

Bit

I2C_HSP

I2C_Address

Boundary Scan

Host

access rights

r/w

RFU

r/w

Table 39. Interface byte

Bit

Symbol

Description

I2C_HSP

when cleared, the high-speed mode is used

when set, the high speed+ mode is used (default)

6, 5

RFU

I2C_Address

when cleared, the pins are used (default)

when set, the EEPROM is used

Boundary Scan

when set, the boundary scan interface is ON (default)

when cleared, the boundary scan is OFF

Table 40. Interface bits

CLRC663

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

Product data sheet

Rev. 5.3 — 3 January 2024

47 / 177

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