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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 ( 8 kV ESD, 4 kV 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 UART s
 -Up to 2 LINs
 -Up to 3 SPI s
 -Up to 2 I?Cs ( up to 1 MHz )
 -Smart card interfaces
 -Up to 2 I?S 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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