Microcontrollers(429)

Application Specific SoCs(243)

M4521 USB Series

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 ( 8 kV ESD, 4 kV 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 UART s
  - Up to 2 SPI s ( 1x SPI + 1xQ SPI )
  - Up to 2 I²C s ( 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