This document is the datasheet for 3ALogics 13.56MHz Multi-Protocol Reader IC (TRH031M), which contains the features and structure of the product.
The TRHO31M is a 13.56 MHz multi‑protocol RFID reader IC designed for access control, digital door locks, POS terminals, and other applications. It operates at 3.3 V and is supplied in a 32‑pin LQFP package.
Key features include support for ISO/IEC 14443 A/B, ISO/IEC 15693, and Tag‑it protocols, a 64‑byte FIFO buffer, parallel and SPI serial interfaces, configurable interrupts, and power‑down modes for low‑power operation.
| Operating Frequency | 13.56 MHz |
|---|---|
| Operating Voltage | 3.3 V |
| Package | 32‑pin LQFP |
| Supported Protocols | ISO/IEC 14443 A/B, ISO/IEC 15693, Tag‑it |
| FIFO Buffer Size | 64 bytes |
| Interface Types | 4 Parallel interfaces, SPI Serial interface |
| Interrupt Capability | Configurable interrupt |
| Timer Function | Adjustable timer |
| Power‑down Modes | Hardware/Software power down |
The TRHO31M operates at 3.3 V.
It provides a 64‑byte FIFO buffer for immediate data storage.
The chip supports four parallel interfaces and an SPI serial interface.
It supports ISO/IEC 14443 A/B, ISO/IEC 15693, and Tag‑it protocols.