The ST25R3911B-AQFT features a high-performance RF transceiver with a maximum operating frequency of 13.56 MHz. It supports a wide range of NFC/HF protocols, including ISO14443A/B, ISO15693, and FeliCa. The IC also features a powerful 32-bit ARM Cortex-M0+ processor, which enables fast and efficient data processing. Additionally, the IC includes a comprehensive set of analog and digital peripherals, such as a 12-bit ADC, a 10-bit DAC, and a variety of timers and communication interfaces.The ST25R3911B-AQFT is designed for low-power operation, with a maximum operating current of only 10 mA. It also features a wide operating temperature range of -40°C to +85°C, making it suitable for a variety of applications. The IC is available in a 32-pin QFN package, making it easy to integrate into a variety of designs.Overall, the ST25R3911B-AQFT is an ideal solution for NFC/HF reader applications, offering a high-performance RF transceiver, a powerful 32-bit ARM Cortex-M0+ processor, and a comprehensive set of analog and digital peripherals. It is designed for low