Holtek HT32F52220 User Manual page 19

32-Bit Arm ® Cortex ® -M0+ MCU
HT32F52220/HT32F52230
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Analog to Digital Converter – ADC
● 12-bit SAR ADC engine
● Up to 1 MSPS conversion rate – 1 μs at 28 MHz, 1.4 μs at 40 MHz
● Up to 8 external analog input channels
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IO ports – GPIO
● Up to 23 GPIOs
● Port A, B are mapped as 16 external interrupts – EXTI
● Almost I/O pins are configurable output driving current
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PWM Generation and Capture Timer – GPTM
● One 16-bit up, down, up/down auto-reload counter
● Up to 4 independent channels for each GPTM
● 16-bit programmable prescaler allowing dividing the counter clock frequency by any factor
between 1 and 65536
● Input Capture function
● Compare Match Output
● PWM waveform generation with Edge-aligned and Center-aligned Counting Modes
● Single Pulse Mode Output
● Encoder interface controller with two inputs using quadrature decoder
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Single Channel PWM Generation and Capture Timers – SCTM
● One 16-bit up and auto-reload counter
● One channels for each SCTM
● 16-bit programmable prescaler allowing dividing the counter clock frequency by any factor
between 1 and 65536
● Input Capture function
● Compare Match Output
● PWM waveform generation with Edge-aligned
● Single Pulse Mode Output
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Basic Function Timer – BFTM
● 32-bit compare/match count-up counter – no I/O control features
● One shot mode – counting stops after a match condition
● Repetitive mode – restart counter after a match condition
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Watchdog Timer
● 12-bit down counter with 3-bit prescaler
● Reset event for the system
● Programmable watchdog timer window function
● Registers write protection function
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Inter-integrated Circuit – I
● Supports both master and slave modes with a frequency of up to 1 MHz
● Provide an arbitration function and clock synchronization
● Supports 7-bit and 10-bit addressing modes and general call addressing
● Supports slave multi-addressing mode with maskable address
Rev. 1.10
2 C
19 of 366 November 09, 2018