MFRC522
RFID, RF Access, Monitoring ICs
Technical Specifications
| Type | Description |
|---|---|
| transmission rate | 106Kbit/s |
| Agreement | ISO 14443A,ISO 14443B |
| Features | Data verification;Low power wake-up |
| Working Voltage V | 3.25 V |
| Type | Description |
|---|---|
| Maximum Clock Speed | 13.56 MHz |
| Interface | I2C,SPI,UART |
| Package / Case | QFN-32-EP |
Product Introduction
MFRC522 is a widely used contactless card reader IC that integrates multiple contactless communication methods and protocols operating at 13.56 MHz, featuring a high level of technical integration.
Features
- Reader/writer mode supports ISO/IEC 14443A
- Reader/writer mode supports ISO/IEC 14443B
- Highly integrated analog demodulation and decoding circuitry
- Minimal external components required for output driver connection to antenna
- Supported host interfaces: I2C (fast mode up to 400k, high-speed mode up to 3400k); UART (up to 1228.8k); SPI (up to 10Mbit/s)
- 64-byte FIFO buffer for Rx and Tx
- Flexible interrupt modes
- Low-power hardware power-down mode
- Software power-down mode support
- RC523 supports LPCD function
- Programmable timer
- Internal oscillator with 27.12MHz crystal
- 2.5V–4.0V wide supply voltage range
- CRC coprocessor
- Programmable I/O pins
- Internal self-test function
Applications
- - Attendance check-in - Access control - Public transportation - Cafeteria dining - Utility recharge (water/electricity/gas) - Portable handheld devices - Various membership systems
Datasheet
Alternative Parts
Common MFRC522 alternatives overseas buyers search for:
Compliance & Export Codes
| Type | Details |
|---|---|
| RoHS | ROHS |
| CNHTS | 8542399000 |
| USHTS | 8542390001 |
| TARIC | 8542399000 |
| Type | Details |
|---|---|
| CAHTS | 8542390000 |
| BRHTS | 85423999 |
| INHTS | 85423900 |
| MXHTS | 8542.39.99 |
Sourcing Information
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