NTAG® SmartSensor with Temperature Sensor, Digital and Analog IOs

NHS3152

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The NXP® NHS3152 is an IC optimized for logging and sensing. With its embedded NFC interface, internal temperature sensor, ADC, DAC, current sensor, and direct battery connection, it supports an effective system solution with a minimal number of external components.

The embedded Arm® Cortex®-M0+ offers flexibility to the users of this IC to implement their own dedicated solution. The NHS3152 contains multiple features, including multiple Power-down modes and a selectable CPU frequency of up to 8 MHz, for ultra-low-power consumption.

Users can program this NHS3152 with the industry-wide standard solutions for Cortex-M0+ processors.

Product Details

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Block Diagram

NHS3152 Block Diagram

NHS3152 Block Diagram

Features

System

  • Cortex-M0+ processor running at frequencies of up to 8 MHz
  • Cortex-M0+ built-in Nested Vectored Interrupt Controller (NVIC)
  • Arm serial wire debug
  • System tick timer
  • IC reset input

Memory

  • 32 kB on-chip flash programming memory
  • 4 kB on-chip EEPROM of which 256 bytes can be write protected
  • 8 kB SRAM

Digital Peripherals

  • Up to 12 General-purpose I/O (GPIO) pins with configurable pull-up/pull-down resistors and repeater mode
  • GPIO pins, which can be used as edge and level sensitive interrupt sources
  • High-current drivers/sinks (20 mA) on four GPIO pins
  • High-current drivers/sinks (20 mA) on two I2C-bus pins
  • Programmable WatchDog timer (WDT)

Analog Peripherals

  • Temperature sensor with:
    • ±0.5 °C absolute temperature accuracy between −40 °C and 0 °C
    • ±0.3 °C absolute temperature accuracy between 0 °C and +45 °C
    • ±0.5 °C absolute temperature accuracy between +45 °C and +85 °C
  • Analog-to-Digital Converter (ADC)
  • Digital-to-Analog Converter (DAC)
  • Current-to-Digital Converter (CDC)
  • 6 analog I/O pins

Communication Interfaces

  • NFC/RFID ISO 14443 type A interface
  • I2C-bus interface supporting full I2C-bus specification and Fast-mode with a data rate of 400 kbit/s, with multiple address recognition and monitor mode

Clock Generation

  • 8 MHz internal RC oscillator, trimmed to 2%, accuracy, which is used as the system clock
  • Timer oscillator operating at 32 kHz linked to the RTC timer unit

Power Control

  • Support for 1.72 V – 3.6 V external voltages
  • The NHS3152 can also be powered from the NFC field
  • Activation via NFC possible
  • Integrated Power Management Unit (PMU) for versatile control of power consumption
  • Four reduced power modes for Cortex-M0+: Sleep, Deep-sleep and Deep power-down and Battery-off
  • Power gating for each analog peripheral for ultra-low power operation
  • < 50 nA IC current consumption in Battery-off mode at 3.0 V
  • Power-On Reset (POR)

General

  • Unique Device Serial Number For Identification

Design Resources

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

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