NXP Semiconductors OM27462CDKM

Overview

OM27462CDKM from NXP Semiconductors is a PN7462 NFC Controller Development Kit based on the PNEV7462C evaluation board, designed for rapid prototyping of contact and contactless smart card applications. It integrates the PN7462AU 32-bit ARM Cortex-M0 NFC microcontroller (20 MHz, 80/160 kB Flash, 12 kB RAM), supports EMVCo 2.6 and NFC Forum specifications, delivers up to 250 mA transmitter current, and enables symmetrical antenna tuning with Dynamic Power Control (DPC) for EMVCo-compliant field strength optimization.

For engineers reviewing the OM27462CDKM datasheet, OM27462CDKM pinout, OM27462CDKM application, or OM27462CDKM equivalent, this kit provides validated hardware for NFC reader development-including USB, SPI, I²C, and HSUART host interface configuration, onboard 65×65 mm symmetrical-tuned antenna, SWD debug support via 10-pin Cortex connector, and NFC Cockpit integration for real-time DPC calibration and RF performance tuning.

Technical Context

The OM27462CDKM implements the PN7462AU NFC controller in a complete evaluation platform featuring dual-mode operation (contact ISO/IEC 7816 + contactless 13.56 MHz), full MIFARE family support (Classic, DESFire, Ultralight), and integrated DPC for adaptive RF output control. Its symmetrical antenna tuning architecture uses a 14.8 MHz EMC filter cutoff and 20 Ω impedance target to meet EMVCo 2.6 radiated field requirements at 4 cm while limiting near-field overdrive.

Hardware interfaces include configurable host connectivity (USB 2.0 FS, HSUART up to 1.288 Mbps, SPI up to 7 Mbps, I²C fast/high-speed modes), 12–21 GPIOs, and on-board smart card slot with built-in current limiting, short-circuit detection, and ESD protection-enabling end-to-end secure transaction validation without external front-end ICs.

Key Specifications

Availability

OM27462CDKM is available at Aetrix Electronics and suitable for NFC point-of-sale terminals, secure access control systems, and transit fare collection devices requiring stable component supply, long-term design continuity, and pre-validated EMVCo-compliant RF performance.

Supply support for OM27462CDKM includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

NXP Semiconductors is a global semiconductor leader specializing in secure connectivity solutions for automotive, industrial, and IoT applications, with deep expertise in NFC, RFID, and secure element technologies.

The PN7462 family-of which OM27462CDKM is a development kit variant-is engineered specifically for high-assurance dual-interface (contact + contactless) smart card readers targeting EMVCo-certified payment, identity, and transit systems.

FAQ

What is the primary function of the OM27462CDKM development kit?

The OM27462CDKM is a complete evaluation platform for the PN7462AU NFC controller, enabling hardware/software co-development of EMVCo 2.6–compliant contact and contactless smart card readers. It includes the PNEV7462C board with symmetrical antenna tuning, USB/SPI/I²C/HSUART host interface options, SWD debug capability, and NFC Cockpit integration for real-time DPC calibration-making OM27462CDKM ideal for rapid validation of secure transaction workflows.

Does OM27462CDKM support both contact and contactless smart card interfaces simultaneously?

Yes, OM27462CDKM supports concurrent contact (ISO/IEC 7816-3, EMVCo 4.3) and contactless (13.56 MHz NFC Forum Type 4, MIFARE Classic/DESFire/Ultralight) operation via the integrated PN7462AU controller. The PNEV7462C board includes a bottom-layer smart card socket with built-in current limiting, ESD protection, and supply supervision-allowing OM27462CDKM to validate end-to-end dual-interface transactions without external contact front-end ICs.

How does the OM27462CDKM enable EMVCo 2.6 compliance testing?

OM27462CDKM achieves EMVCo 2.6 compliance readiness through its symmetrical antenna tuning architecture (14.8 MHz EMC filter, 20 Ω impedance), Dynamic Power Control (DPC) for adaptive field strength regulation, and validated 4 cm read range under detuned conditions. The included NFC Cockpit software allows real-time DPC calibration and register-level RF optimization-ensuring OM27462CDKM can replicate certified field profiles required for formal EMVCo radiated field testing.

Which host interfaces are pre-configured and tested on the OM27462CDKM board?

The OM27462CDKM board supports USB 2.0 Full Speed, HSUART (up to 1.288 Mbps), SPI (up to 7 Mbps), and I²C (standard/fast/high-speed modes) with jumper-selectable routing to the JP32 header. All four interfaces are factory-tested and documented in UM10883, including schematic references, pin mappings (e.g., ATX_A/B/C/D), and configuration jumpers-ensuring OM27462CDKM delivers plug-and-play interoperability with MCUXpresso IDE, Keil, and IAR toolchains.

Is NFC Cockpit software included with the OM27462CDKM kit?

Yes, NFC Cockpit-a Windows-based PC application for antenna tuning, DPC calibration, and real-time RX/TX optimization-is fully supported and documented for use with OM27462CDKM. The kit enables direct USB connection to run NFC Cockpit, allowing engineers to visualize RF performance metrics, adjust PN7462AU registers, store calibrated settings to EEPROM, and export configurations for production firmware-making NFC Cockpit an integral part of OM27462CDKM's validation workflow.