PN544 View Datasheet(PDF) - NXP Semiconductors.

Part Name

Description

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PN544

Near field communication (NFC) controller

NXP Semiconductors. 

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NXP Semiconductors

6. Block diagram

PN544

Near field communication (NFC) controller

NSS/SCL/TX/TX

SCK/SDA/HD/HD

MISO/ADR0/NC/CLK

MOSI/ADR1/RX/RX

SPI / I2C / RS232 / sync.RS232

Host Interfaces

I2C FSM

I2C

RS232

SPI

Co-Processors

CRC

Collider

Triggered Copy

Machines

TCM 0

TCM 1

TCM 2

TCM 3

TCM 4

Timer 0 & 1

Interrupt

Controller

other Peripheral Modules

ROM

72kByte

Code / Data Memories

RAM

4kByte

EEPROM EEPROM

8kByte (Data)

36kByte (Code)

PN544

Memory Interface

µP

MMU / MPU

CPU

HT80C51MX

HT-SFR Bus

Clock &

Reset

Logic

Boundary

Scan

TAP

Controller

async. SFR

Interface

RNG

GPIO

TXCodec RXDecod

NFC-WI

SigPro

C’less Co-Processor

VMID

RF

Detect

ADC

Demod

BG

Sensor

TxCtrl

Driver

TCK

TDI

TMS

TDO

VBAT

VEN

VRF

PVDD

DVDD

AVDD

TVDD

LDO1V8

DCDC1V8

DCDC1

DCDC2

XTAL1

XTAL2

AUX1

AUX2

AUX3

AUX4

Fig 2. Block diagram of PN544

134812

Objective short data sheet

Rev. 1.2 — 4 September 2007

© NXP B.V. 2007. All rights reserved.

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