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M4521

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 16 channels)
   
16-bit PWM (up to 12 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 4 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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Part No. Check Disty Flash SRAM Data Flash ISP ROM PDMA I/O Timer UART ISO-7816-3 SPI I2C CAN LIN EBI I2S/ AC97 USB OTG USB Host USB Device PWM Comparator DAC ADC Audio Codec Touch Key RTC Tamper Detect (pin) Voltage Adjustable Interface ISP/ICP/IAP Package Operating Temp. Range (¢FXC ) Status SD Host Ethernet MAC Camera Interface QEI OP Amp. Crypto
M4521LE6AE Check Disty None 128K 32K Configurable 4K 8 35 4*32-bit 3 1 2 2 - - - - FS FS 10*16-bit - - 10 - - Y(Vbat) 1 Y ISP, ICP, IAP LQFP48 -40 to +105 Mass Production - - - - - -
M4521SE6AE Check Disty None 128K 32K Configurable 4K 8 49 4*32-bit 4 1 2 2 - - - - FS FS 12*16-bit - - 16 - - Y(Vbat) 1 Y ISP, ICP, IAP LQFP64 -40 to +105 Mass Production - - - - - -

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