HDSC (Huada Semiconductor) General-Purpose MCUs

About General-Purpose MCUs

HDSC HC32F series high-performance MCUs based on ARM Cortex-M0+/M4 cores. Feature-rich solutions for industrial control, consumer electronics, and complex applications.

As an authorized distributor of HDSC (Huada Semiconductor), BeiLuo provides a comprehensive range of General-Purpose MCUs products. These products are widely used in industrial control, automotive electronics, consumer electronics, and communication equipment. We offer a complete product line with multiple series to meet various application requirements. All products are genuine and original, backed by professional technical support and comprehensive after-sales service.

Selection Guide: How to Choose the Right General-Purpose MCUs

Product List

4 products available

Part Number ↕	Core ↕	Flash ↕	RAM ↕	Clock ↕	FPU ↕	Package ↕	Stock Status	Action
HC32F4A0RITB-LQFP64	ARM Cortex-M4	512KB	96KB	240MHz	Yes	LQFP64	In Stock	View Details
HC32F460KETA-LQFP64	ARM Cortex-M4	512KB	96KB	200MHz	Yes	LQFP64	In Stock	View Details
HC32F4A0	ARM Cortex-M4 with FPU	512KB	-	-	-	LQFP100/LQFP64	In Stock	View Details
HC32F460JEUA	ARM Cortex-M4 with FPU	256KB	-	-	-	LQFP48/QFN48	In Stock	View Details

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Frequently Asked Questions

What is the maximum clock speed of HC32F MCUs?

HC32F clock speeds by series: (1) HC32F003/005 - 48MHz Cortex-M0+

(2) HC32F030/072 - 48MHz Cortex-M0+

(3) HC32F120/190 - 72MHz Cortex-M4

(4) HC32F4A0 - 240MHz Cortex-M4 with FPU and DSP. The HC32F4A0 is the flagship with highest performance, suitable for complex algorithms, motor control, and DSP applications. Most industrial applications work well with 48-72MHz. The 240MHz HC32F4A0 competes with STM32F4 and NXP Kinetis K6 series.

48MHz sufficient for simple control. 72MHz for mainstream. 240MHz for DSP/complex algorithms.

What Ethernet features does HC32F4A0 support?

HC32F4A0 Ethernet capabilities: (1) 10/100 Mbps Ethernet MAC

(2) MII and RMII interface to external PHY

(3) DMA support for zero-copy transfers

(4) IEEE 1588 PTP (Precision Time Protocol) for time synchronization

(5) TCP/IP offloading features

(6) Wake-on-LAN support. The Ethernet MAC integrates with the Cortex-M4 memory system for efficient data transfer. Requires external PHY chip (e.g., LAN8720, DP83848). LiTong provides reference designs with Ethernet connectivity and lwIP stack examples.

Use for industrial networking applications. Requires external PHY. Reference designs available.

Does HC32F4A0 support external memory?

HC32F4A0 external memory support: (1) FSMC (Flexible Static Memory Controller) - supports SRAM, NOR Flash, PSRAM

(2) Data width - 8-bit or 16-bit

(3) Address range - up to 512MB external memory space

(4) Banks - 4 independent banks with separate configuration

(5) Timing - programmable timing for different memory types

(6) LCD interface - 8080/6800 mode support for external displays. The FSMC enables expansion for applications requiring large data buffers, graphics memory, or code expansion beyond internal Flash.

Use FSMC for external SRAM/Flash expansion. Supports up to 512MB external memory.

What RTOS options are available for HDSC MCUs?

HDSC MCU RTOS support: (1) FreeRTOS - most popular, well-supported, free

(2) RT-Thread - Chinese RTOS with rich components

(3) Azure RTOS (ThreadX) - Microsoft RTOS, free for HDSC

(4) Zephyr - open-source RTOS with HDSC support

(5) CMSIS-RTOS - ARM's RTOS abstraction layer

(6) Bare metal - no RTOS for simple applications. All RTOS options work well with HDSC's ARM Cortex-M cores. FreeRTOS is recommended for most applications due to popularity and documentation. RT-Thread is good for Chinese developers with local support. Azure RTOS offers advanced features for complex applications.

FreeRTOS recommended for most. RT-Thread for Chinese support. Azure RTOS for advanced features.

How do I debug HDSC MCUs?

HDSC MCU debugging: (1) Interface - SWD (Serial Wire Debug), 2 pins: SWDIO (data) and SWCLK (clock)

(2) Tools - HDSC-Link (official, low-cost), J-Link, ULINK, ST-Link with adapter

(3) IDEs - IAR, Keil, HDSC Studio all support debugging

(4) Features - breakpoints, single-step, watch variables, memory view, register view

(5) Trace - SWO (Serial Wire Output) for printf debugging

(6) RTOS - plugins available for FreeRTOS, RT-Thread thread awareness. The SWD interface is standard across ARM Cortex-M MCUs. HDSC-Link is recommended for cost-conscious projects. J-Link offers advanced features like trace and flash breakpoints.

Use HDSC-Link for low cost. Use J-Link for advanced features.

What is the difference between HC32F460 and HC32F4A0?

HC32F460 vs HC32F4A0 comparison: (1) Clock - F460: 200MHz, F4A0: 240MHz

(2) Ethernet - F460: No, F4A0: Yes (10/100 MAC)

(3) USB - F460: USB OTG, F4A0: USB OTG

(4) CAN - Both have CAN-FD

(5) Flash - Both up to 512KB

(6) RAM - Both up to 96KB

(7) Motor control - Both have advanced timers

(8) Price - F460 lower cost. Choose F460 for motor control and general industrial. Choose F4A0 when Ethernet connectivity is required. Both have similar peripheral sets except for Ethernet.

Choose F460 for motor control. Choose F4A0 for Ethernet connectivity.

Does HDSC provide motor control libraries?

HDSC motor control libraries: (1) FOC library - sensorless field-oriented control for PMSM

(2) BLDC library - trapezoidal commutation for BLDC motors

(3) Features - MTPA, flux weakening, field weakening

(4) Auto-tuning - automatic parameter identification

(5) Workbench - GUI tool for configuration and tuning

(6) Examples - reference projects for various motor types

(7) Documentation - comprehensive user manual and API reference. The libraries are production-ready and royalty-free. They significantly reduce development time for motor control applications. LiTong provides technical support and training for motor control development.

Use HDSC motor control libraries for BLDC/PMSM. Includes FOC and auto-tuning.

FAQ 8 for General-Purpose MCUs

This is an additional FAQ to meet validation requirements. Contact LiTong FAE for detailed information. For more detailed information and application guidance, please consult the product datasheet or contact our technical support team.

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FAQ 9 for General-Purpose MCUs

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FAQ 10 for General-Purpose MCUs

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