Features - Holtek HT32F52220 User Manual

32-Bit Arm ® Cortex ® -M0+ MCU
HT32F52220/HT32F52230

Features

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12-bit SAR ADC engine
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Up to 1 MSPS conversion rate
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8 external analog input channels
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2 internal analog input channels for reference voltage detection
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Programmable sampling time for conversion channel
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Up to 8 programmable conversion channel sequence and dedicated data registers for conversion
result
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Three conversion mode
● One shot conversion mode
● Continuous conversion mode
● Discontinuous conversion mode.
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Analog watchdog for predefined voltage range monitor
● Lower/upper threshold register
● Interrupt generation
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Various trigger start source for conversion modes
● Software trigger
● EXTI – external interrupt input pin
● GPTM trigger
● BFTM trigger
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Multiple generated interrupts
● End of single conversion
● End of subgroup conversion
● End of cycle conversion
● Analog Watchdog
● Data register overwriting
Rev. 1.10 153 of 366 November 09, 2018