DP1332E — Highly Integrated Multi-Protocol Contactless Read/Write Chip

The DP1332E is a highly integrated contactless read/write controller with an 80C51 microcontroller core, supporting multiple active/passive 13.56 MHz communication methods and protocols (including ISO/IEC 18092 NFC). It offers rich interfaces and multi-protocol support, significantly reducing development cost and accelerating project deployment.

Key Features

• Operating Modes:

• Reader/Writer: ISO/IEC 14443A, FeliCa, ISO/IEC 14443B (reader only)

• Card Emulation: ISO/IEC 14443A, FeliCa

• P2P: ISO/IEC 18092 (NFCIP-1) up to 424 kbit/s

• 80C51 Core with 40 kB ROM + 1 kB RAM

• Highly integrated analog circuitry for demodulation/decoding

• Minimal external components for antenna connection

• Integrated RF field & data mode detectors

• Typical operating distance:

• Reader mode: >50 mm

• NFCIP-1 P2P: up to 50 mm

• Card mode: ~100 mm (depending on antenna, tuning, field strength)

• Supports MIFARE Classic encryption (reader mode)

• Data rates up to 424 kbit/s (14443A/B, FeliCa, NFCIP-1)

• Flexible interrupt handling

• Low-power modes (hardware/software power-down)

• Auto wake-up via I²C, HSU, or SPI in power-down

• Programmable timer

• Crystal oscillator support

• Supply voltage: 2.7–5.5 V

Applications

• Mobile & portable devices

• Smart door locks

• Access control & payment terminals

• Advertising tablets

• Medical electronics

• ID scanners

• Smart gaming devices

• Handheld terminals

• Smart home appliances