NFC Cortex-M0 Microcontroller

PN736X

The PN736X family is a family of 32-bit ARM Cortex-M0-based NFC microcontrollers offering high performance and low power consumption. It has a simple instruction set and memory addressing along with a reduced code size compared to existing architectures. PN736Xoffers an all in one solution, with features such as NFC, microcontroller, and software in a single chip. It operates at CPU frequencies of up to 20 MHz. It is part of the PN7462AU product family which offers a common set of features, library and tools.

The peripheral complement of the PN736X microcontroller includes 160/80 kB of flash memory, 12 kB of SRAM data memory and 4 kB EEPROM. It also includes one host interface with either high-speed mode I2C-bus, SPI, USB or high-speed UART, and two leader interfaces, SPI and Fast-mode Plus I2C-bus. Four general-purpose counter/ timers, a random number generator, one CRC coprocessor and up to 21 general-purpose I/O pins are also available.

The PN736X NFC microcontroller offer a one chip solution to build contactless applications. It is equipped with a highly integrated high-power output NFC-IC for contactless communication at 13.56 MHz enabling EMV-compliance on RF level, without additional external active components.

PN736X supports the following operating modes:

  • ISO/IEC 14443-A and B, MIFARE
  • JIS X 6319-4 (comparable with FeliCa scheme)
  • ISO/IEC 15693, ICODE, ISO/IEC 18000-3 mode 3
  • NFC protocols - tag reader/writer, P2P
  • ISO/IEC 14443- type A card emulation
  • EMVCo compliance

Product Details

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Features

Integrated contactless interface frontend

  • High RF output power frontend IC for transfer speed up to 848 kbit/s
  • NFC IP1 and NFC IP2 support
  • Full NFC tag support (type 1, type 2, type 3, type 4A and type 4B)
  • P2P active and passive, target and initiator
  • Card emulation ISO14443 type A
  • ISO/IEC 14443 type A and type B
  • MIFARE classic card
  • ISO/IEC 15693, and ISO/IEC 18000-3 mode 3
  • Low-power card detection
  • Dynamic Power Control (DPC) support
  • Compliance with EMV contactless protocol specification
  • Compliance with NFC standards

Cortex-M0 microcontroller

  • Processor core
    • ARM Cortex: 32-bit M0 processor
    • Built-in Nested Vectored Interrupt Controller (NVIC)
    • Non-maskable interrupt
    • 24-bit system tick timer
    • Running frequency of up to 20 MHz
    • Clock management to enable low power consumption
  • Memory
    • Flash: 160 (PN7362) / 80 kB (PN7360)
    • SRAM: 12 kB
    • EEPROM: 4 kB
    • 40 kB boot ROM included, including USB mass storage primary boot loader for code download
  • Debug option
    • Serial Wire Debug (SWD) interface
  • Peripherals
    • Host interface:
    • USB 2.0 full speed with USB 3.0 hub connection capability
    • HSUART for serial communication, supporting standards speeds from 9600 bauds to
    • 115200 bauds, and faster speed up to 1.288 Mbit/s
    • SPI with half-duplex and full duplex capability with speeds up to 7 Mbit/s
    • I2C supporting standard mode, fast mode and high-speed mode with multiple address support
    • Leader interface:
    • SPI with half-duplex capability from 1 Mbit/s to 6.78 Mbit/s
    • I2C supporting standard mode, fast mode, fast mode plus and clock stretching
  • Up to 21 General-Purpose I/O (GPIO) with configurable pull-up/pull-down resistors
  • GPIO1 to GPIO12 can be used as edge and level sensitive interrupt sources
  • Power
    • Two reduced power modes: standby mode and hard power-down mode
    • Supports suspend mode for USB host interface
    • Processor wake-up from hard power-down mode, standby mode, suspend mode via host interface, contact card interface, GPIOs, RF field detection
    • Integrated PMU to adjust internal regulators automatically, to minimize the power consumption during all possible power modes
    • Power-on reset
    • RF supply: external, or using an integrated LDO (TX LDO, configurable with 3 V, 3.3 V, 3.6 V, 4.5 V, and 4.75 V)
    • Pad voltage supply: external 3.3 V or 1.8 V, or using an integrated LDO (3.3 V supply)
    • Integrated contact interface voltage regulation for 1.8 V, 3 V, and 5 V card supply, including a DC-to-DC converter for supporting class A and class B cards
  • Timers
      Four general-purpose timers Programmable WatchDog Timer (WDT)
  • CRC coprocessor
  • Random number generator
  • Clocks
    • Crystal oscillator at 27.12 MHz
    • Dedicated PLL at 48 MHz for the USB
    • Integrated HFO 20 MHz and LFO 365 kHz
  • General
    • HVQFN64 package
    • Temperature range: -40 °C to +85 °C

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Note: For better experience, software downloads are recommended on desktop.

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