HT32F22366 datasheet(10/56 Pages) HOLTEK

10 / 56 page

Rev. 1.00

10 of 56

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I/O Ports – GPIO

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Up to 80 GPIOs

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Port A, B, C, D, E are mapped as 16 external interrupts – EXTI

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Almost I/O pins are configurable output driving current

There are up to 80 General Purpose I/O pins, GPIO, named from PA0 ~ PA15 to PE0 ~ PE15 for

the implementation of logic input/output functions. Each of the GPIO ports has a series of related

control and configuration registers to maximize flexibility and to meet the requirements of a wide

range of applications.

The GPIO ports are pin-shared with other alternative functions to obtain maximum functional

flexibility on the package pins. The GPIO pins can be used as alternative functional pins by

configuring the corresponding registers regardless of the input or output pins.

The external interrupts on the GPIO pins of the device have related control and configuration

registers in the External Interrupt Control Unit, EXTI.

Motor Control Timer – MCTM

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Two 16-bit up, down, up/down auto-reload counters

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16-bit programmable prescaler allowing division of the counter clock frequency by any factor

between 1 and 65536

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Input Capture function

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Compare Match Output

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PWM waveform generation with edge aligned and center-aligned Counting Modes

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Single Pulse Mode Output

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Complementary Outputs with programmable dead-time insertion

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Encoder interface controller with two inputs using quadrature decoder

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Supports 3-phase motor control and hall sensor interface

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Brake input to force the timer’s output signals into a reset or fixed condition

The Motor Control Timer consists of a single 16-bit up/down counter; four 16-bit CCRs (Capture/

Compare Registers), single 16-bit counter-reload register (CRR), single 8-bit repetition counter

and several control/status registers. It can be used for a variety of purposes including measuring

the pulse widths of input signals or generating output waveforms such as compare match outputs,

PWM outputs or complementary PWM outputs with dead-time insertion. The MCTM supports an

Encoder interface controller to an incremental encoder with two inputs. The MCTM is capable of

offering full functional support for motor control, hall sensor interfacing and brake input.

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