NHS3100: NTAG SmartSensor with Temperature Sensor and Digital IOs

Overview

The NXP^® NHS3100 is an IC optimized for temperature monitoring and logging. With its embedded NFC interface, internal temperature 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 NHS3100 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 NHS3100 with the industry-wide standard solutions for Cortex-M0+ processors.

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 ±0.3 °C absolute temperature accuracy between 0 °C and 40 °C and±0.5 °C in the range between -40 and +85 °C

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 NHS3100 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)

Unique Device Serial Number For Identification