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Holtek Holtek Device Overview

Learning Platform

Holtek's HT32 series cover a wide range of applications using Arm® Cortex-M-based cores. They include features such as a high operating speed of up to 96 MHz, a single power supply with an operating voltage range of 2.5V - 5.5V and an industrial temperature range of -40°C - +85°C. By including Holtek’s ISP (In-System Programming) and IAP (In-Application Programming) integrated functions, users will find the implementation of software upgrades an easy and quick process, thus enhancing product efficiency and flexibility.

Development Tools

Keil development tools provide comprehensive support for device families in a complete development environment for creating, debugging and verifying embedded applications.

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MDK Components

Free MDK Holtek Edition for Cortex-M0/M0+:

In cooperation with Holtek, Arm offers the genuine Keil MDK toolchain for Holtek's Arm Cortex-M0/M0+ based devices free of charge.

Extended MDK Holtek Edition - Cortex-M0/M0+/M3:

Users that also require support for Holtek’s Arm Cortex-M3 based microcontrollers can purchase an extension for the Keil MDK toolchain supporting these devices.

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Supported Microcontroller Devices

Currently, the following Holtek devices are supported in MDK:

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