Overview
The PN7462AUHN/C300E551 is a member of the PN7462 family of 32-bit Arm Cortex-M0-based NFC microcontrollers produced by NXP USA Inc. This microcontroller is designed to offer high performance and low power consumption, making it suitable for a wide range of contact and contactless applications. It integrates an NFC frontend, a microcontroller, and optional contact smart card reader functionality into a single chip, providing a comprehensive solution for dual interface smart card readers.
Key Specifications
| Parameter | Value |
|---|---|
| Processor | 32-bit Arm Cortex-M0 |
| CPU Frequency | Up to 20 MHz |
| Flash Memory | 160 kB |
| SRAM | 12 kB |
| EEPROM | 4 kB |
| Boot ROM | 40 kB |
| Supply Voltage | 2.3 V ~ 5.5 V |
| Operating Temperature | -40°C ~ 85°C |
| Package | 64-VFQFN Dual Rows Exposed Pad |
| Interfaces | I²C, SPI, UART |
| Standards | ISO 14443, ISO 15693, ISO 18000-3 |
| RF Frequency | 13.56 MHz |
Key Features
- Integrated NFC frontend for contactless communication at 13.56 MHz, enabling EMV-compliance without additional external active components.
- ISO/IEC 7816 compliant contact smart card reader interface, supporting Class A (5 V), Class B (3 V), and Class C (1.8 V) smart cards.
- UART interface for serial communication and support for multiple smart card slot interfaces.
- Highly integrated solution with USB 2.0 full speed, HSUART, SPI, and I²C interfaces.
- Low power consumption with clock management and various power-saving modes.
- Thermal and short-circuit protection on all card contacts.
- Serial Wire Debug (SWD) interface for debugging).
Applications
- Dual interface smart card readers, combining both contact and contactless functionalities).
- Contactless payment systems, such as NFC-enabled digital wallets and EMV-compliant applications).
- Smart card readers in various industries, including banking, transportation, and access control).
- IoT devices requiring NFC and smart card interfaces).
Q & A
- What is the PN7462AUHN/C300E551?
The PN7462AUHN/C300E551 is a 32-bit Arm Cortex-M0-based NFC microcontroller from NXP USA Inc., designed for high performance and low power consumption in contact and contactless applications.
- What are the key interfaces supported by the PN7462AUHN/C300E551?
The device supports I²C, SPI, and UART interfaces.
- What is the operating voltage range of the PN7462AUHN/C300E551?
The operating voltage range is 2.3 V to 5.5 V.
- What are the memory specifications of the PN7462AUHN/C300E551?
The device has 160 kB of Flash memory, 12 kB of SRAM, and 4 kB of EEPROM, along with 40 kB of boot ROM.
- What standards does the PN7462AUHN/C300E551 comply with?
The device complies with ISO 14443, ISO 15693, and ISO 18000-3 standards.
- What is the RF frequency supported by the PN7462AUHN/C300E551?
The device operates at an RF frequency of 13.56 MHz.
- Does the PN7462AUHN/C300E551 support multiple smart card slots?
Yes, it supports multiple smart card slots through the UART interface and slot extenders like TDA8026.
- What kind of protection does the PN7462AUHN/C300E551 offer for smart cards?
The device offers current limiting, short-circuit detection, ESD protection, and supply supervision for smart cards.
- Is the PN7462AUHN/C300E551 suitable for IoT applications?
Yes, it is suitable for IoT devices requiring NFC and smart card interfaces due to its low power consumption and integrated features.
- What is the package type of the PN7462AUHN/C300E551?
The device is packaged in a 64-VFQFN Dual Rows Exposed Pad package.
