آر اف (فرکانس رادیویی) و بی‌سیم آی‌سی آر‌اف‌آی‌دی و کنترل دسترسی

Product Attributes

Features

• Operating modes: Reader/Writer, Card Emulation, Active and Passive Peer-to-Peer
• EMVCo 3.0 analog and digital standards
• NFC-A / ISO14443A, up to 848 kbit/s
• NFC-B / ISO14443B, up to 848 kbit/s
• NFC-F / FeliCa, up to 424 kbit/s
• NFC-V / ISO15693, up to 53 kb/s
• NFC-A / ISO14443A and NFC-F / FeliCa card emulation
• Active and passive peer-to-peer initiator and target modes, up to 424 kbit/s
• Low-level mode enabling MIFARE Classic-compatible or other custom protocols
• Dynamic Power Output (DPO) controls field strength to stay within given limits
• Active Card Emulation Wave Shaping (AWS) reduces overshoot and undershoot
• Noise Suppression Receiver (NSR) enables reception in noisy environments
• Automatic Antenna Tuning (AAT) via variable capacitance
• Integrated EMVCo 3.0-compliant EMD handling
• Automatic gain control and squelch function to maximize SNR
• Low-power capacitive and inductive card detection
• Low-power NFC passive and passive target modes
• Adjustable ASK modulation depth from 5 to 40%
• Integrated voltage regulator to enhance system PSRR
• AM/PM and I/Q demodulators with baseband channel summation or automatic channel selection
• Capable of driving two independent single-ended antennas
• Measurement of antenna voltage amplitude and phase, RSSI, on-chip supply and regulated values
• 512-byte FIFO
• SPI, up to 10 Mbit/s
• I2C, up to 400 kbit/s (Fast Mode), 1 Mbit/s (Fast Mode Plus), and 3.4 Mbit/s (High-Speed Mode)