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M4521LE6AE

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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
     
     
       
     

Data Sheet

  • Example Code

  • File name Version Update Download
  • M451_1KHz_Buzzer 1.00  Mon Oct 03 17:19:49 CST 2016
  • EC_M451_ACMP_Trigger_PWM_Brake_Edge_Det_V1.00 1.00  Tue Dec 27 12:44:05 CST 2016
  • EC_M451_ACMP_Trigger_PWM_Brake_Level_Det_V1.00 1.00  Tue Dec 27 12:43:32 CST 2016
  • EC_M451_ClassD_with_ADC 1.00  Mon Oct 03 17:18:59 CST 2016
  • EC_M451_DSP_Basic_math_Functions_V1.0 1.00  Tue Jul 26 19:18:38 CST 2016
  • EC_M451_DSP_Convolution_V1.0 1.00  Tue Jul 26 19:20:41 CST 2016
  • EC_M451_DSP_Fast_math_Functions_V1.0 1.00  Tue Jul 26 19:18:20 CST 2016
  • EC_M451_DSP_Interpolation_V1.0 1.00  Thu Sep 22 13:39:25 CST 2016
  • EC_M451_DSP_Matrix_V1.0 1.00  Wed Sep 21 14:31:44 CST 2016
  • EC_M451_DSP_PID_Controller_V1.0 1.00  Tue Jul 26 19:18:02 CST 2016
  • EC_M451_DSP_Statistics_Functions_V1.0 1.00  Tue Jul 26 19:16:34 CST 2016
  • EC_M451_HID_Trans_PassThrough_V1.00 1.00  Wed Dec 27 20:41:20 CST 2017
  • EC_M451_PWM_Synchronous_V1.0 1.00  Tue Dec 05 19:21:09 CST 2017
  • EC_M451_RGBLED_Dimming_V1.0 1.0  Tue Jul 26 19:20:11 CST 2016
  • EC_M451_RTC_Snoop_Det_V1.00 1.00  Fri Dec 30 11:38:47 CST 2016
  • EC_M451_SPI_Dual_Mode_V1.00 1.00  Tue Dec 27 12:44:38 CST 2016
  • EC_M451_Temperature_Sensor_V1.0 1.0  Fri Jun 29 19:04:33 CST 2018
  • EC_M451_UART_Timerout_V1.00 1.00  Thu Aug 04 10:56:37 CST 2016
  • EC_M451_USBH_UMAS_SPIWriter_V1.0 1.0  Tue Sep 11 11:12:16 CST 2018
  • EC_M452_USBD_UAC_with_NAU88L25_V1.00 V1.00  Tue Dec 27 12:45:52 CST 2016
  • EC_M453_USB_HID_Keyboard_V1.00 1.00  Fri Jul 22 12:27:39 CST 2016
  • Load and call functions in SRAM 1.00  Fri Dec 30 11:38:14 CST 2016
  • Application Note

  • File name Version Update Download
  • NuMaker Brick Design Guide 1.01   Wed Jul 27 09:24:28 CST 2016
  • AN_0001_NuMicro_Cortex-M_Code_Protection_EN_Rev1.00 1.00  Fri Jul 31 09:29:08 CST 2015
  • Data Sheet

  • File name Version Update Download
  • DS_M4521_Series_EN_Rev1.00 1.00  Fri Nov 09 10:10:16 CST 2018
  • Software

  • File name Version Update Download
  • SW_Drone_V1.421 V1.421  Fri Dec 30 15:48:45 CST 2016
  • SW_NuMaker_Brick_V1.3 1.3  Wed Apr 19 16:52:29 CST 2017
  • Nuvoton_NuGang_Programmer_V7.02 7.02  Tue Nov 22 12:31:58 CST 2016
  • NuTool-PinView_V2.05.6815 2.05.6815  Thu Sep 06 23:21:13 CST 2018
  • NuMicro_ISP_Programming_Tool_V2.05 2.05  Thu Sep 06 19:15:35 CST 2018
  • M4521_BSP_CMSIS_V3.00.000.zip 3.00.000  Thu Oct 04 12:07:09 CST 2018
  • Nu-Link_Command_Tool_V2.05.6815 2.05.6815  Thu Sep 06 23:22:36 CST 2018
  • Nu-Link_Keil_Driver_V2.05.6815 2.05.6815  Fri Dec 14 02:19:06 CST 2018
  • Nu-Link_IAR_Driver_V2.05.6815 2.05.6815  Fri Dec 14 02:17:02 CST 2018
  • NuEclipse_V1.01.014_Windows_Setup V1.01.014  Wed Dec 19 13:16:25 CST 2018
  • NuMicro_ICP_Programming_Tool_V2.05.6815 2.05.6815  Fri Dec 14 02:17:43 CST 2018
  • NuTool-PinConfigure_V1.14.0002 1.14.0002  Tue Jan 15 17:11:01 CST 2019
  • Technical Reference Manual

  • File name Version Update Download
  • TRM_M4521_Series_EN_Rev1.00 1.00  Tue Oct 30 10:51:33 CST 2018
  • Development Tool

  • File name Version Update Download
  • HW_M452_Quad_Copter_Rev1.4 1.4  Thu Oct 01 15:37:09 CST 2015
  • NuMicro_OrCAD_Library_V1.0 V1.0  Thu Aug 11 23:36:27 CST 2016
  • NuEdu-SDK_M451_Rev2.0 2.0  Fri Oct 17 19:30:50 CST 2014
  • HW_NuMaker_Brick_V1.2 1.2   Tue Jul 05 15:16:23 CST 2016
  • NuMicro_PADS_Library_V1.0 V1.0  Thu Aug 11 23:35:44 CST 2016
  • HW_M451_LED_Display_Rev1.0 1.0  Fri Feb 13 17:12:05 CST 2015
  • Online Training

  •   Name Published date Online certificate
  • Nuvoton - Numaker Brick - part 1 Mon Aug 20 13:24:00 CST 2018
  • Nuvoton - Numaker Brick - part 2 Mon Aug 20 14:30:00 CST 2018
  • User Manual

  • File name Version Update Download
  • UM_M452_Quad_Copter_SC_Rev1.0 1.0  Thu Oct 01 15:37:42 CST 2015
  • NuEdu-SDK-M451_Quick_Start_CHT 1.0  Fri Oct 24 16:21:54 CST 2014
  • UM_AHRS_Module_M452_Series_TC_Rev1.00 1.00  Tue Dec 27 12:45:07 CST 2016
  • DG_NuMaker_Brick_M451_Series_EN_Rev1.11 1.11   Wed May 17 13:22:45 CST 2017
  • DG_NuMaker_Brick_M451_Series_TC_Rev1.11 1.11  Thu Apr 27 10:12:22 CST 2017

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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 - - - - - -

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