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The NuMicro® M452 USB series 32-bit microcontroller (MCU) is embedded with the ARM® Cortex®-M4 core and operating at 2.5V ~ 5.5V and -40℃ ~ 105℃, and provides 22.1184 MHz internal oscillator (1% accuracy at 25℃, 5V) , Data Flash configurable and high immunity (8KV ESD, 4KV EFT) . Package types include LQFP48, LQFP64 and LQFP100.

Target Application:

Industrial Automation, PLCs, Inverters, Home Automation, Portable Data Collector, USB Accessories, Smart Card Reader, Motor Control, etc.

Key Features:

Core

    - ARM® Cortex®-M4 with DSP and FPU

    - Max frequency of 72 MHz

    - Operating voltage: 2.5V to 5.5V

    - Temperature range: -40℃ ~ 105℃

Memory

    - 40/72/128/256 KB of Flash Memory

    - 16/32 KB of SRAM

    - Data Flash configurable

• 12-bit ADC (up to 16 channels)

• 12-bit DAC

16-bit PWM (up to 12 channels)

Timers

    - Four timers

    - RTC

Connectivity

    - USB 2.0 OTG/Device

    - Up to 5 UARTs

    - Up to 2 LINs

    - Up to 3 SPIs

    - Up to 2 I²Cs (up to 1 MHz)

    - Smart card interfaces

    - Up to 2 I²S interfaces

Security

    - CRC engine

Clock Control

    - 4 to 24 MHz external crystal oscillator

    - 32.768 kHz crystal oscillator

    - 22.1184 MHz internal RC oscillator

    - 10 kHz internal RC oscillator

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