Code example or demo
Data sheet
RF430CL331H
- Pass-Through Operation Sends Data Updates and Requests to Host Controller
- I2C Interface Allows Writing and Reading of Internal SRAM
- Prefetching, Caching, and Auto ACK Features Increase Data Throughput
- Enables Data Streaming
- All RF Communication up to Layer 4 Handled Automatically
- Supports up to Maximum NDEF Message Size
- Compliant With ISO/IEC 14443B
- Supports up to 848 kbps
The TI Dynamic NFC/RFID Interface Transponder RF430CL331H is an NFC Tag Type 4 device that combines a contactless NFC/RFID interface and a wired I2C interface to connect the device to a host. The NDEF message can be written and read from the integrated I2C serial communication interface and can also be accessed and updated over a contactless interface using the integrated ISO/IEC 14443 Type B compliant RF interface that supports up to 848 kbps.
The device requests responses to NFC Type 4 commands on demand from the host controller and stores only a portion of the NDEF message in its buffer at any one time. This allows NDEF message size to be limited only by the memory capacity of the host controller and specification limitations.
Support of read caching, prefetching, and write automatic acknowledgment features allows for greater data throughput.
This device enables NFC connection handover for an alternative carrier like , low energy (BLE), or Wi-Fi as an easy and intuitive pairing process or authentication process with only a tap.
As a general NFC interface, the RF430CL331H enables end equipment to communicate with the fast-growing infrastructure of NFC-enabled smart phones, tablets, and notebooks.
Limited design support from TI available
Existing projects using this product have limited design support from TI. If available, you will find relevant collateral, tools and software on this page. Existing designs using this product have limited design support from TI. Request limited design support in the TI E2E™ support forums.
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Technical documentation
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View all 8 | Type | Title | Date | ||
|---|---|---|---|---|
| * | Data sheet | RF430CL331H NFC Type 4B Dynamic Dual Interface Transponder datasheet (Rev. A) | PDF | HTML | 13 Nov 2015 |
| * | Errata | RF430CL331H Device Erratasheet (Rev. B) | 08 Jul 2016 | |
| Application note | Frequently asked questions for RF430CL33xH devices (Rev. B) | PDF | HTML | 13 Mar 2019 | |
| Application note | Frequently Asked Questions for RF430CL33xH Devices (Rev. A) | 27 Nov 2017 | ||
| White paper | Near Field Communication (Rev. B) | 18 Mar 2016 | ||
| Technical article | Cold chain in the IoT | PDF | HTML | 20 Nov 2015 | |
| Application note | RF430CL330H VCORE Pin Wake Up MCU Via NFC/RFID Freq Magnetic Field | 30 Jun 2014 | ||
| Application note | RF430CL330H Practical Antenna Design Guide | 05 Jun 2014 |
Design & development
For additional terms or required resources, click any title below to view the detail page where available.
Evaluation board
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Supported products & hardware
Products
MSP430 microcontrollers
Sub-1 GHz wireless MCUs
Other wireless products
Reference designs
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| Package | Pins | CAD symbols, footprints & 3D models |
|---|---|---|
| TSSOP (PW) | 14 | Ultra Librarian |
| VQFN (RGT) | 16 | Ultra Librarian |
Ordering & quality
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