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NuMicro? M4TK series is a high-performance 32-bit microcontroller ( MCU ) embedded with ARM? Cortex?-M4F. It supports a maximum of 16 capacitive touch keys, with power consumption as low as 6μA under the condition of 3.3V/10 Hz/key. The M4TK series supports industrial operating temperature ( - 40 ℃ to 105 ℃ ) , wide range power supply ( 2.5V to 5.5V ) , and high immunity ( 8 kV ESD, 4 kV EFT ) . The available packages are LQFP48, LQFP64, and LQFP100.

Target Application:

Human Machine Interface ( HMI ) , Digital Door Lock, RFID Smart Card Reader, Electronic Safe Box, Cleaning Robot, etc.

Key Features: 

 
?Core
 -ARM? 32-bit Cortex?-M4 with DSP and FPU
 -Maximum frequency: 72 MHz
 -Thumb?-2 instruction set
 -Voltage range: 2.5V to 5.5V
 -Temperature range: - 40 ℃ to 105 ℃
 
?Memory 
 -128/256 KB of Flash
 -32 KB of SRAM
 -Configurable Data Flash
 
?Touch Key
 -Supports up to 16 capacitive touch keys
 
?12-bit ADC
 -Up to 16 channels
 
?12-bit DAC
 
?16-bit PWM
 -Up to 12 channels
 -Supports Data Capture
 -144 MHz ( 6.95ns )
 
?Timers
 -4 sets of 32-bit timers
 -16-bit PWM timers ( Up to 12 sets )
 -One 24-bit system timer ( SysTick )
 -One RTC
 
?Connectivity
 -One set of USB 2.0 OTG/Device
 -Up to 5 sets of UART s ( Up to 2 LINs )
 -Up to 3 sets of SPI s with multiplexed 2 sets of I?S
 -Up to 2 sets of I?C s ( 1 MHz )
 
?Voltage Adjustable Interface
 -User-configurable 1.8V ~ 5.5V I/O interface
 -Supported on SPI , I?S, and UART interface
 
?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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