CLRC661 datasheet(58/152 Pages) NXP

Part #	CLRC661

Description	High performance NFC frontend CLRC661 plus

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Manufacturer	NXP [NXP Semiconductors]

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NXP Semiconductors

CLRC661

High performance NFC frontend CLRC661 plus

Address

Register name

Function

57h

TxSym32Mod

Transmitter symbol 3 + symbol 2 modulation register

58h

RxBitMod

Receiver bit modulation register

59h

RxEofSym

Receiver end of frame symbol register

5Ah

RxSyncValH

Receiver synchronisation value high register

5Bh

RxSyncValL

Receiver synchronisation value low register

5Ch

RxSyncMod

Receiver synchronisation mode register

5Dh

RxMod

Receiver modulation register

5Eh

RxCorr

Receiver correlation register

5Fh

FabCal

Calibration register of the receiver, calibration performed at production

48h-5Fh

RFU

-

7Fh

Version

Version and subversion register

Table 43. Register overview...continued

9.2 Command configuration

9.2.1 Command

Starts and stops command execution.

Bit

7

6

5

4

3

2

1

0

Symbol

Standby

Modem

Off

RFU

Command

Access

rights

dy

r/w

-

dy

Table 44. Command register (address 00h)

Bit

Symbol

Description

7

Standby

Set to 1, the IC is entering power-down mode.

6

ModemOff

Set to logic 1, the receiver and the transmitter circuit are powering

down.

5

RFU

-

4 to 0

Command

Defines the actual command for the CLRC661.

Table 45. Command bits

9.3 SAM configuration register

9.3.1 HostCtrl

Via the HostCtrl Register the interface access right can be controlled

CLRC661

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

Product data sheet

Rev. 3.7 — 23 June 2021

COMPANY PUBLIC

456937

58 / 152

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CLRC661 Datasheet(PDF) 58 Page - NXP Semiconductors

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