Biometric Authentication

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Biometric Authentication

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Biometric Authentication



Biometric authentication devices use an MCU or MPU to perform biometrics with the integration of peripherals such as a PC or a wireless connectivity module to communicate with a certain database. Some examples of this functionality include secure access to personal or confidential information, control access to a certain location or secure money transactions.

Block Diagram



Category Name 1 Microcontroller
Product URL 1 Arm® Cortex®-M4|Kinetis K81 150 MHz 32-bit MCUs | NXP 
Product Description 1

The Kinetis® K81 MCU offers advanced security capabilities including anti-tamper peripheral, boot ROM to support encrypted firmware updates, automatic decryption from external serial flash memory, AES acceleration, and hardware

support for public key cryptography. The K81 has a QSPI controller optimized for XIP from external serial NOR flash memories with support for quad and octal data interfaces.

Product link 2 Arm® Cortex® -M4|Kinetis K82 150 MHz Secure MCUs | NXP 
Product Description 2 The Kinetis K82 MCU contains automatic decryption from external serial NOR flash memory, hardware AES acceleration with sideband attack protection, and hardware support for public key cryptography. The K82 also features advanced security capabilities including boot ROM to support encrypted firmware updates.
Product link 3 LPC55S6x|Arm® Cortex®-M33|32-bit Microcontrollers (MCUs) | NXP 
Product Description 3 The LPC55S6x MCU introduces new levels of performance and advanced security capabilities including TrustZone-M and co-processor extensions. The co-processors extensions and leverages brings significant signal processing efficiency gains from a proprietary DSP accelerator offering a 10x clock cycle reduction.


Category Name 2 Microprocessor
Product URL 1 i.MX 6ULL Applications Processor | Single Arm® Cortex®-A7 @ 900 MHz | NXP 
Product Description 1 The i.MX 6ULL is a power efficient and cost-optimized applications processor which operates at speeds up to 900 MHz and has a dedicated Security Block: TRNG, Crypto Engine (AES with DPA, TDES/SHA/RSA), Secure Boot and a 24-bit Parallel CMOS Sensor Interface module for multiedia processing.


Category Name 3 Power Management IC
Product URL 1 12-channel configurable PMIC | NXP 
Product Description 1 The PF3000 features a configurable architecture that supports numerous outputs with various current ratings as well as programmable voltage and sequencing. With a I2C interface and the 12 channel the PF3000 delivers a total power of 7.2 A.


Category Name 4 BLE Transceiver
Product URL 1 QN908x: Ultra-Low-Power Bluetooth Low Energy System on Chip (SoC) Solution | NXP 
Product Description 1 The QN908x is an ultra-low-power, high-performance and highly integrated Bluetooth Low Energy designed for human interface devices with a small capacity battery.


Category Name 5 LCD Driver
Product URL 1 Universal LCD driver for low multiplex rates | NXP 
Product Description 1 The PCF85133 is a peripheral device which interfaces to almost any Liquid Crystal Display (LCD) with low multiplex rates up to 80 segments, compatible with most microcontrollers and communicates via the two-line bidirectional I²C-bus.


Category Name 6 12V Smart Power Amplifier
Product URL 1 TFA9892|Smart Audio Amplifier | NXP 
Product Description 1 The TFA9892 is very highly-efficient 12 V boost converter. It is equipped with a low-power CoolFlux™ DSP which runs an advanced algorithm for speaker boost and protection to bring high end audio quality into mainstream applications.


Category Name 7 Multi-protocol NFC frontend
Product URL 1 CLRC663 plus | High-performance multi-protocol NFC frontend | NXP 
Product Description 1 The CLRC663 plus is a high-performance NFC Frontend with a low power consumption. ) The CLRC663 is the perfect choice for NFC applications with high-performance requirements like access control with authentication.

Related Documentation

Document URL Title

CLRC663 Antenna Design Guide

How to Scale Down the NXP Reader Library

Offline Flash Programmer for Kinetis K- and L-series MCUs

LPC55S69 Asymmetric Cryptographic Accelerator CASPER

LPC55S69 Security Solutions for IoT  Digital Signal Processing for NXP LPC5500 Using PowerQuad  i.MX 6 Temperature Sensor Module - Application Note  QN908x RF Certification Guide  QN908x Hardware Design Considerations  Design guidelines for COG modules with NXP® monochrome LCD drivers

Related Software

Related Software URL 



Training URL
and MCUXpresso Software and Tools 
MHW-N1964 Designing Healthcare Applications with NXP 

Related Demos from Communities

Related Demos from Communities URL
NFC Demos - Information, Source codes, Schematics 
i.MX6 UL EMV Demo 
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Version history
Revision #:
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Last update:
‎10-20-2020 09:20 AM
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