AS3953 Overview
The AS3953 NFC interface IC (NFiC) delivers low cost, ultra low power NFC forum functionality to multiple different applications. The AS3953 is a analog front-end with integrated 14443A data framing and SPI interface. It is designed to create a fast data link between an ISO 14443A reader device (PCD) and a microcontroller.
AS3953 Key Features
- ISO 14443A pliant to -NFCIP-1
- 1k bit EEPROM (928 bits of user memory) -Configurable wake-up interrupt (after
- Powered from external magnetic field
- 7 byte UID -User configurable regulated voltage extracted from external
- Bit rates from 106 Kbps till 848 Kbps -Integrated resonant capacitor -Integrated buffer capacitor -4-wire Serial Per
- Where log data is stored periodically by the microcontroller
- Available as WLCSP 10-bumps (Future delive
AS3953 Applications
- Where personalization data is programmed by the PCD (even in
- ISO 14443A pliant to -NFCIP-1
