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Small-sized MCU enhanced with high precision OP Amplifier

22/10/2024

The NuMicro M091 series 32-bit microcontroller is designed for analog sensor applications. It features rich analog peripherals including up to 4 sets of 8 MHz gain bandwidth (GBW) with 50 µV input offset voltage operational amplifier (OPA), 4 sets of 12-bit DAC, up to 16 channels of 2 MSPS 12-bit SAR ADC, built-in temperature sensor with ±1.6°C deviation from 0°C to 70°C and ±2°C deviation from -40°C to 105°C.

The M091 series is based on Arm Cortex-M0 core with 32-bit hardware multiplier/divider. It runs up to 72 MHz and features 32 Kbytes and 64 Kbytes Flash memory, 8 Kbytes SRAM, 2.7V ~ 3.6V operating voltage, 5V I/O tolerance, and -40°C to +105°C operating temperature.

Main Features

Operating characteristics

  • Voltage range: 2.7V to 3.6V
  • Temperature range: -40°C to +105°C
  • EFT 4.4 kV
  • ESD HBM 4 kV

Core

  • Arm Cortex-M0 core running up to 72 MHz

Memories

  • Up to 64 KB Flash
  • 8 KB SRAM
  • 2 KB Flash for user program loader (LDROM)
  • 512 Bytes security protection ROM (SPROM)
  • ISP/ICP/IAP programming

Clocks

  • Internal 48 MHz HIRC (high speed RC oscillator) with variation ± 2 % within all temperature range, variation ± 0.7 % within 0 °C to 70 °C, ±1 % within -20 °C to +105 °C
  • Internal 38.4 kHz LIRC (low speed RC oscillator)
  • One on-chip PLL up to 144 MHz
Documents Tech question
Nuvoton Nu Micro M091

Small-sized MCU enhanced with high precision OP Amplifier

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Applications & Markets

  • 5 Industrial Automation

    Factory & Industrial Automation, Robotics

  • 3 Automotive

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Technologies

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    Microcontroller, microprocessors & memory ICs

Nuvoton

Nuvoton focuses on the developments of microcontroller, microprocessor, smart home, cloud security, battery monitoring, component, visual sensing and IoT with security ICs and has strong market share in Industrial, Automotive, Communication, Consumer and Computer markets.

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Documents

  • Nuvoton M091 Series Datasheet
Pexels thisisengineering 3913017

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