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The BAT32G139 is an MCU series that we designed based on ARM® Cortex®-M0+. It is a 32-bit micro-controller with low power consumption. The maximum operating frequency of this chip is 64MHz, also, it contains 256KB Flash, 2.5KB dedicated Flash storage section, 32KB SRAM storage, 75 GPIO and support the comparator, ADC, RTC, DAC, abundant analogue functions, timer and different kinds of communication ports.

The operating voltage of this chip is ranged within 1.8V~5.5V.

>  ARM Cortex M0+ cored

>  maximum frequency being as 64MHz, @1.8-5.5V

>  power consumption when in operation： 120uA/MHz@64MHz

>  power consumption in deep sleep：0.8uA

>  operating temperature：-40℃ - 105℃

>  256KB Flash

>  32KB SRAM

>  2.5KB Data Flash

>  17 16-bit timer(with both the PWM & motor-dedicated PWM function)

>  2-channel analogue comparator with dual-edging-lag function

>  2-channel PGA

>  built-in 12-bit ADC with sampling rate as 1.42Msps

>  8-bit D/A converter

>  enhanced DMA controller

>  linkage controller

>  4 serial ports which can be configured either as 1-channel UART/2-channel SPI/2-channel simplified i2c respectively

>  2 dedicated standard i2c ports

>  4 types of oscillation supported

>  75 general GPIO

>  built-in button-pressing interruption check available

>  built-in clock output/buzzer output controlling circuitry

>  packaging：LQFP48、LQFP64 & LQFP80