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NFC Key Features and Application from Silicon Craft Technology
2020-5-18 10:42:07 / Editor - / Source - Silicon Craft Technology

NFC Key Features and Application from Silicon Craft Technology


228-Byte NFC Tag Type 2 with Built-in Sensor Interface

228-Byte NFC Tag Type 2 with Built-in Sensor Interface.jpg

GENERAL DESCRIPTION

is a 228-byte ISO14443A passive NFC-Forum Type 2 Tag, which has the capability to connect with many kinds of analog sensors. With 12-bit-output-sigma-delta ADC (10-bit ENOB), SIC4340 can acquire the sensor’s voltage response at a specifc time after biasing by the adjustable current source,the adjustable sensor-biasing frequency generator and the voltage limiter.


The sensor can be either resistive, capacitive or combination of them. By relying on the computing power given in mobile devices and NFC communication, the SIC4340 becomes the mediator offering the cheapest method conveying sensing information to display in mobile phone or even relay to internet.


FEATURES SUMMARY

Highlight Features

NFC-Forum Type 2 Tag with 7-byte UID

Resistive/Capacitive Sensor Interface

Adjustable current source with voltage limiter

Built-in ADC

14-bit (10 bit ENOB) @ 1.28V Full scale

Output bit selectable : 8, 10, 12, 14 bit

Adjustable sensor biasing frequency:300Hz – 50kHz

Adjustable warmup clock

0.0 to 1.0V biasing protection with 5mV resolution

Interfaces and Peripherals

Fully compliant with ISO14443A

Anti-collision

RF read distance up to 10 cm depending on readers

On-chip capacitance 50 pF

Memory

EEPROM organization enabling NDEF format

1 Kbytes EEPROM

Public memory area supporting dynamic NDEF

Secure memory area avialable after authentication

Applications

Enabling the sensors to seamlessly measure and forward data in a wide range of applications with an NFC-Forum type 2 tag with sensor interface.

Applications: Temperature sensor, Chemical sensor, Healthcare sensor,Resistor/Capacitor measurement, etc.

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