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M4521LE6AE

M4521 part

The NuMicro® M4521 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 and LQFP64.

Target Application:
Industrial Automation, Inverters, Uninterruptible Power Supply(UPS), Home Automation, 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
  - 128 KB of Flash Memory
  - 32 KB of SRAM
  - Data Flash configurable
     
   
• 12-bit ADC (up to 10 channels)
   
• 16-bit PWM (up to 10 channels)
   
• Timers
  - 4 sets of 32-bit timers
  - RTC
   
   
     
  • Connectivity
    - USB 2.0 FS Host/Device
    - USB 2.0 FS Crystal-less at Device mode
    - Up to 3 UARTs
    - Up to 2 SPIs (1xSPI + 1xQSPI)
    - Up to 2 I²Cs (up to 1 MHz)
    - Smart card interfaces
       
       
     
  • Security
    - CRC engine
    - Tamper Detection
    - Flash Security Lock
       
     
  • 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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