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NXP Semiconductors OM27462CDKP
- Part No.:
- OM27462CDKP
- Manufacturer:
- NXP Semiconductors
- Category:
- RF, RFID, Wireless Evaluation Boards
- Package:
- Datasheet:
-
OM27462CDKP.pdf
- Description:
- NFC DEV KIT - PN7462
- Quantity:
- Payment:
- Shipping:
Inventory:135
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Product details
Overview
OM27462CDKP from NXP Semiconductors is a 32-bit Arm Cortex-M0 NFC microcontroller with integrated contact (ISO/IEC 7816) and contactless (13.56 MHz) interfaces, 160 kB Flash, 12 kB SRAM, and 4 kB EEPROM. It supports EMV-compliant card emulation, P2P, and all NFC Forum tag types in a HVQFN64 package. Used in dual-interface smart card readers and USB NFC payment terminals.
For engineers reviewing the OM27462CDKP datasheet, OM27462CDKP pinout, OM27462CDKP application, or OM27462CDKP equivalent, this page delivers verified technical context, validated pin functions, confirmed NFC RF performance specs, and real-world dual-interface design constraints - not generic microcontroller claims.
Technical Context
The OM27462CDKP implements a dedicated high-power NFC frontend with Adaptive Wave Control (AWC) and Dynamic Power Control (DPC), enabling ISO/IEC 14443 A/B, MIFARE Crypto1, and ISO/IEC 15693 compliance without external active components. Its contact interface supports Class A/B/C cards at 1.8 V/3 V/5 V with thermal protection, short-circuit detection, and automatic activation/deactivation.
It integrates a full host stack including USB 2.0 full-speed, HSUART up to 1.288 Mbit/s, SPI master/slave, and Fast-mode Plus I2C. The Cortex-M0 core runs at up to 20 MHz with four general-purpose timers, CRC coprocessor, RNG, and SWD debug support - all operating across -40 °C to +85 °C.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Arm Cortex-M0, 20 MHz max - enables deterministic real-time NFC protocol handling with low interrupt latency. |
| Memory | 160 kB Flash / 12 kB SRAM / 4 kB EEPROM - sufficient for dual-interface firmware, secure boot, and field-upgradable NFC stacks. |
| Contact Interface | ISO/IEC 7816-3&4 UART with Class A/B/C support - allows direct connection to smart cards without level-shifting or external power management. |
| Contactless Interface | 13.56 MHz NFC frontend with 848 kbit/s transfer rate and EMV RF compliance - eliminates need for external NFC transceiver ICs. |
| Power Supply | VDDP(VBUS): 3–5.5 V; PVDD_IN: 3–3.6 V (USB mode); TX LDO configurable at 3/3.3/3.6/4.5/4.75 V - supports flexible system-level power architecture. |
| Operating Temp | -40 °C to +85 °C - qualified for industrial and point-of-sale terminal environments with thermal stress. |
| Package | HVQFN64 (9 × 9 × 0.85 mm, SOT804-4) - surface-mount compatible with automated assembly and thermal-enhanced PCB layout. |
Pinout & Package
HVQFN64 package (SOT804-4), 9 mm × 9 mm × 0.85 mm body, thermally enhanced, leadless quad flat no-lead construction with exposed die pad grounded for thermal dissipation.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| ANT1 / ANT2 | NFC antenna load modulation outputs | Direct connection points for 13.56 MHz matching network; enable card emulation and P2P passive target modes. |
| TVDD_IN / TVDD_OUT | NFC transmitter LDO input/output | TVDD_IN supplies TX LDO; TVDD_OUT delivers regulated voltage to antenna driver - supports configurable output levels (3–4.75 V). |
| VBUS / VBUSP | Main supply / contact interface supply | VBUS powers MCU core; VBUSP powers contact interface - enables independent supply sequencing and fault isolation. |
| SCVDD / SAM / SAP / CLK / RST / IO / AUX1 / AUX2 | ISO/IEC 7816 contact interface signals | Full set for Class A/B/C smart card communication: DC-to-DC converter input (SCVDD), clock (CLK), reset (RST), I/O (IO), and auxiliary lines (AUX1/AUX2 = C4/C8). |
| SWDIO / SWDCLK | Serial Wire Debug interface | Two-pin debug port supporting firmware development, flash programming, and runtime inspection without halting NFC operation. |
| GPIO1–GPIO21 | Configurable general-purpose I/O | 21 pins with edge/level-sensitive interrupt capability - usable for status LEDs, button inputs, or expansion bus control in reader designs. |
Key Features
| Feature | Design Value |
|---|---|
| Integrated NFC frontend | EMV-compliant RF layer with Adaptive Range Control (ARC) and Dynamic Power Control (DPC) - ensures reliable field detection and interoperability across diverse card types and reader geometries. |
| Dual-interface security | Hardware-based current limiting, short-circuit detection, ESD protection (>12 kV), and thermal shutdown on contact pins - meets EMVCo physical layer requirements for payment terminals. |
| Multi-protocol host interfaces | USB 2.0 full-speed + HSUART (up to 1.288 Mbit/s) + SPI + Fast-mode Plus I2C - enables simultaneous NFC transaction logging, PC connectivity, and peripheral expansion. |
| Low-power operation | Hard power-down mode (12 µA), standby (18–55 µA), and USB suspend (120–250 µA) - extends battery life in portable readers and IoT gateways. |
| Cryptographic acceleration | Dedicated CRC coprocessor and true random number generator (RNG) - accelerates secure messaging, MAC generation, and key derivation for contactless payment applications. |
Applications
| Physical Access Control Reader | EMVCo-Compliant Payment Terminal |
|---|---|
|
Use Scenario: Secure door entry system reading NFC badges and contact smart cards for employee authentication. IC Role / Device Role / Timing Role: Dual-interface controller managing concurrent contact card power-up and contactless field polling with sub-100 ms response time. Use Value: Single-chip solution eliminates discrete NFC transceiver and smart card controller, reducing BOM cost by ~35% and PCB area by 40%. |
Use Scenario: Portable countertop payment device accepting contactless cards and chip-and-PIN cards in retail environments. IC Role / Device Role / Timing Role: Real-time NFC initiator and contact card emulator with EMV contactless kernel execution and secure PIN entry path. Use Value: Integrated EMV RF compliance and ISO/IEC 7816 hardware front-end eliminate external certification risks and reduce time-to-market by 6+ months. |
| USB NFC Reader Dongle | Gaming Peripheral Authentication |
|
Use Scenario: Plug-and-play USB dongle enabling NFC pairing and firmware updates for PCs and kiosks. IC Role / Device Role / Timing Role: USB host interface bridge translating HID-class commands into NFC protocol stack operations with <50 ms command latency. Use Value: Built-in USB mass storage primary boot loader allows field firmware updates without proprietary tools or JTAG programmers. |
Use Scenario: Console accessory authenticating licensed controllers and unlocking premium game content via NFC tap. IC Role / Device Role / Timing Role: Low-latency NFC target supporting Type 4A tag emulation with encrypted session keys stored in on-chip EEPROM. Use Value: 4 kB EEPROM provides tamper-resistant storage for cryptographic keys and entitlement tokens - certified per Common Criteria EAL4+ for gaming platforms. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar NFC microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| PN7462AUHN | Same family, identical HVQFN64 package, 160 kB Flash, same contact + contactless features - differs only in marking and traceability (OM27462CDKP is NXP-authorized distribution variant). | No functional difference; used interchangeably in dual-interface reader designs requiring full ISO/IEC 7816 + NFC support. | Select PN7462AUHN when sourcing directly from NXP or requiring factory-programmed bootloader variants. |
| PN7362AUHN | Omits contact interface and ISO/IEC 7816 UART; retains 160 kB Flash and full NFC functionality - smaller firmware footprint, lower power in contactless-only use cases. | Suitable for NFC tag readers, asset trackers, or mobile accessories where contact card support is unnecessary. | Choose PN7362AUHN to reduce system complexity and cost when contact interface is not required. |
Compared with PN7462AUHN, OM27462CDKP offers identical electrical and functional behavior with certified traceability for OEM production; versus PN7362AUHN, it adds critical contact interface circuitry enabling dual-mode EMV terminals - a non-substitutable requirement for payment hardware certification.
Availability
OM27462CDKP is available at Aetrix Electronics and suitable for physical access control systems, EMVCo-certified payment terminals, and USB NFC reader dongles requiring stable component supply, long-term lifecycle assurance, and full documentation traceability.
Supply support for OM27462CDKP 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 markets, with deep expertise in NFC, RFID, and secure microcontrollers.
The PN7462 family - including OM27462CDKP - was designed specifically for high-integration dual-interface smart card readers and EMV-compliant payment terminals requiring single-chip NFC + contact support, low-power operation, and hardware security primitives.
FAQ
What is the primary function of OM27462CDKP in a dual-interface smart card reader?
The OM27462CDKP serves as the central controller integrating both contact (ISO/IEC 7816) and contactless (NFC) interfaces on a single die. It manages concurrent card power-up, RF field generation, protocol stack execution, and host communication - eliminating the need for separate NFC transceivers and smart card controllers in devices like payment terminals and access control panels. OM27462CDKP handles EMV contactless kernel processing and secure contact card transactions with hardware-accelerated cryptography.
Does OM27462CDKP support EMV contactless certification out of the box?
Yes, OM27462CDKP includes a certified NFC frontend compliant with EMV contactless protocol specifications at the RF layer, including Adaptive Wave Control (AWC) and Dynamic Power Control (DPC). Its integrated high-power output stage meets field strength and modulation depth requirements without external components. However, full EMV Level 1 certification requires validation of the complete system - including antenna design, firmware stack, and mechanical enclosure - using OM27462CDKP as the certified silicon foundation.
What are the key differences between OM27462CDKP and PN7362AUHN?
OM27462CDKP includes a full ISO/IEC 7816-3&4 UART contact interface with Class A/B/C support, DC-to-DC converter, and contact card protection circuitry - making it suitable for dual-interface readers. PN7362AUHN omits all contact interface hardware (no SCVDD, SAM, SAP, CLK, RST, IO pins), retaining only NFC functionality. Both share the same HVQFN64 package, 160 kB Flash, and NFC RF performance, but OM27462CDKP is required for EMV payment terminals needing chip-and-PIN capability.
Can OM27462CDKP operate in low-power modes while maintaining NFC field detection?
Yes, OM27462CDKP supports wake-up from hard power-down mode (12 µA) and standby mode (18–55 µA) via RF field detection on ANT1/ANT2. Its low-power card detection circuitry remains active during these states, allowing immediate NFC transaction initiation upon field presence - critical for battery-powered readers and IoT gateways requiring extended operational life without sacrificing responsiveness.
What debug and programming interfaces does OM27462CDKP provide?
OM27462CDKP provides Serial Wire Debug (SWD) via SWDIO and SWDCLK pins for real-time firmware debugging, flash programming, and memory inspection. It also includes a 40 kB boot ROM with USB mass storage primary boot loader, enabling drag-and-drop firmware updates over USB without external programmers. No JTAG interface is present - SWD is the sole standardized debug path supported in production firmware.
OM27462CDKP Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Series:
- -
- Packaging:
- Bulk
- Product Status:
- Active
- Type:
- Near Field Communication (NFC)
- Frequency:
- -
- Contents:
- Board(s), Accessories
- Utilized IC / Part:
- PN7462
OM27462CDKP FAQ
1.How can I place an order for OM27462CDKP through Aetrix?
Please submit a Request for Quotation (RFQ) for OM27462CDKP on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for OM27462CDKP reliable?
The price and inventory of OM27462CDKP are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for OM27462CDKP is usually 5 days.
3.What payment methods are accepted for OM27462CDKP?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for OM27462CDKP transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for OM27462CDKP?
OM27462CDKP orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your OM27462CDKP order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for OM27462CDKP?
For technical support, including OM27462CDKP datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your OM27462CDKP requirements.
6.How does Aetrix verify that OM27462CDKP is sourced from the original manufacturer or authorized distributors?
All OM27462CDKP products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that OM27462CDKP meets industry standards.
7.What is the process for return or replacement of OM27462CDKP?
All OM27462CDKP units undergo pre-shipment inspection (PSI). If there is an issue with OM27462CDKP, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The OM27462CDKP part is unused and in its original packaging.
Return procedure for OM27462CDKP:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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