Overview
The MS523/MS523NA is a highly integrated reader/writer IC for contactless communication at 13.56MHz, which integrates all kinds of passive contactless communication methods and protocols at 13.56MHz, and supports multiple layer applications in ISO 14443 A and 14443 B modes.
Key Features
- ⚫ Highly Integrated Analog Circuit for Demodulating and Decoding
- ⚫ Few External Components Connecting Output Drivers to An Antenna
- ⚫ Support ISO/IEC 14443 A, 14443 B 106kBd, 212kBd, 424kBd, 848kBd Rate Communication
- ⚫ Up to 50mm Operating Distance in Read/Write Mode depending on the Antenna Design
- ⚫ Support Host Interface
- ⚫ 10Mbit/s SPI Interface
- ⚫ I2C Interface, Rate in Fast Mode: 400kBd, Rate in High speed Mode: 3400kBd
- ⚫ RS232 Serial UART Up to 1228.8kBd, Level depends on Provided Pin Voltage
- ⚫ 64-byte Transmission and Reception FIFO Buffer
- ⚫ Flexible Interrupt Modes
- ⚫ Low Power-dissipation Hardware Reset
- ⚫ Software Power-down Mode
- ⚫Programmable Timer
- ⚫ Internal Oscillator Connected with 27.12MHz Quartz Crystal
- ⚫ 2.5V-5.5V Power Supply
- ⚫ CRC Co-processor
- ⚫ Programmable I/O Pins
- ⚫ Internal Self-test
Key Features
Intelligent “Three-meter”
Public Transportation Terminal
Portable Handheld Device
Contactless Public Telephone
