NXP Semiconductors
NHS3152
Therapy adherence resistive monitor
NHS3152 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2018. All rights reserved.
Product data sheet Rev. 3.03 — 15 June 2018
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2 Features and benefits
2.1 System
• ARM Cortex-M0+ processor running at frequencies of up to 8 MHz
• ARM Cortex-M0+ built-in Nested Vectored Interrupt Controller (NVIC)
• ARM Serial Wire Debug (SWD)
• System tick timer
• IC reset input
2.2 Memory
• 32 kB on-chip flash programming memory
• 4 kB on-chip EEPROM of which 320 bytes are write-protected
• 8 kB SRAM
2.3 Digital peripherals
• Up to 12 General Purpose Input Output (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 (sink only; 20 mA) on four GPIO pins
• High-current drivers (sink only; 20 mA) on two I
2
C-bus pins
• Programmable Watchdog Timer (WDT)
2.4 Analog peripherals
• Temperature sensor with ±0.3 °C absolute temperature accuracy between 0 °C and
40 °C and ±0.5 °C in the range −40 °C and +85 °C
• Analog-to-Digital Converter (ADC)
• Digital-to-Analog Converter (DAC)
• Current-to-Digital Converter (CDC)
• 6 analog I/O pins
2.5 Flexible analog on-chip switch
• Each of the six I/O pins can be dynamically connected to the on-chip converters.
• One instance of each converter is implemented
• Measuring six voltages connected to the six pins is possible using time-division
multiplexing. Other combinations are possible
2.6 Communication interfaces
• NFC/RFID ISO 14443 type A interface; NFC forum type 2 compatible
• I
2
C-bus interface supporting full I
2
C-bus specification and Fast-mode with a data rate of
400 kbit/s, with multiple-address recognitions and Monitor mode
