NTAG® 5 Link: NFC Forum-Compliant I²C Bridge for IoT on Demand
Overview
Features
Features
Key Features
- AES mutual authentication
- I2C target and controller channel
- GPIO and PWM
- Energy harvesting with configurable output up to 30 mW
NFC Interface
- Fully NFC Forum Type 5 Tag compliant
- 8-byte Unique Identifier
- 32-byte reprogrammable originality signature
Host Interface
- I2C controller and target interface supports up to 400 kHz
- 2 GPIO’s
- 2 Pulse Width Modulation output channel
- Event Detection pin
Scalable Security
- AES 128-bit mutual authentication
- 32/64-bit password protection
- Read-only locking
- NFC silence
- 3 configurable user memory areas
- ECC-based reprogrammable originality signature
Memory
- 2048 bytes user memory
- 256 bytes SRAM
Development Boards and Designs
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Target Applications
Comparison Table
| Feature | NTAG 21xF | NTAG 5 switch | NTAG I2C plus | NTAG 5 link | NTAG 5 boost |
|---|---|---|---|---|---|
| NFC Forum type tag | 2 | 5 | 2 | 5 | 5 |
| Max. interface speed - NFC/I2C | 106 kbps/- | 53 kbps/- | 106 kbps/400 kHz | 53 kbps/400 kHz | 53 kbps/400 kHz |
| Memory size | 144 or 888 bytes | 512 bytes | 888 or 1912 bytes 64 bytes SRAM |
2048 bytes 256 bytes SRAM |
2048 bytes 256 bytes SRAM |
| Memory protection from NFC perspective |
Read only locking and 32-bit PWD |
Read only locking and 32- or 64-bit PWD |
Read only locking and 32-bit PWD |
Read only locking and 32- or 64-bit PWD AES mutual authentication* |
Read only locking and 32- or 64-bit PWD or AES mutual auth. |
| Memory protection from connected host |
- | - | Restrict access to NFC password protected area |
32-bit PWD | 32-bit PWD |
| Memory areas | 2 | 3 | 2 | 3 | 3 |
| Originality Signature | fixed | re-programmable | fixed | re-programmable | re-programmable |
| Energy harvesting | - | regulated up to 30 mW | yes up to 15 mW |
regulated up to 30 mW | when used as passive regulated up to 30 mW |
| Wired Interface | Field Detect Pin | PWM, GPIO; Event Detect Pin | I2C target; Event Detect Pin | PWM; GPIO; I2C target, I2C transparent controller*; Event detection | PWM; GPIO; I2C target, I2C transparent controller; Event detection |
| Typical stand-by and hard-power-down values | - | 6 µA/0,25 µA | - | 6 µA/0,25 µA | 10 µA/0,25 µA |
| Active load modulation | - | - | - | - | yes, when VCC supplied |
| Temperature range | -25°C to +70°C | -40°C to +85°C | -40°C to +105°C | -40°C to +85°C | -40°C to +85°C |
* Only available for NTP5332
