HC32F4A0RITB-LQFP64
240MHz Cortex-M4 MCU with 512KB Flash, 96KB RAM, and advanced peripherals for demanding applications.
Product Overview
Description
The HC32F4A0 is HDSC's flagship high-performance MCU featuring a 240MHz ARM Cortex-M4 core with FPU and DSP instructions.
With 512KB Flash, 96KB RAM, and comprehensive peripherals, this MCU handles complex algorithms, motor control, and industrial applications with ease.
The advanced motor control timers, high-speed ADC, and rich communication interfaces make it ideal for industrial drives and automation.
Product Series
HC
Primary Application
Industrial drives
Key Features
- 240MHz Cortex-M4 with FPU
- 512KB Flash, 96KB RAM
- Motor control timers
- 12-bit ADC 2.5Msps
- CAN-FD, USB OTG
- Ethernet MAC
- Advanced encryption
Specifications
| Core | ARM Cortex-M4 |
|---|---|
| Flash | 512KB |
| RAM | 96KB |
| Clock | 240MHz |
| FPU | Yes |
| ADC | 12-bit, 2.5Msps |
| Package | LQFP64 |
Applications
Industrial drives
Motor drive and control systems
Motor control
Motor drive and control systems
PLC controllers
Industrial automation and control
HMI panels
Electronic system design
IoT gateways
Electronic system design
FAE Expert Insights
"The HC32F4A0 is impressive - 240MHz Cortex-M4 with FPU at this price point is excellent value. I've used it in several motor control projects and the performance is outstanding. The motor control timers with 1.25ns resolution enable precise PWM control for high-frequency drives. The 2.5Msps ADC is fast enough for current sampling in high-speed motors. One standout feature is the CAN-FD support - essential for modern industrial networks. The Ethernet MAC with DMA enables high-throughput industrial communication. For applications that would use STM32F407 or NXP K64, this is a compelling alternative at significantly lower cost. The HC32 Driver Library is well-documented and easy to use."
240MHz Cortex-M4 with motor control and CAN-FD at excellent price point
— Liu Ming, BeiLuo
Frequently Asked Questions
What motor control features does HC32F4A0 have?
HC32F4A0 motor control features: (1) Advanced timers - 3 motor control timers with 1.25ns resolution; (2) PWM - complementary PWM with dead-time insertion; (3) ADC trigger - synchronized ADC triggering for current sampling; (4) Hall interface - dedicated Hall sensor interface; (5) Encoder - quadrature encoder interface; (6) Break input - fast fault protection input; (7) DMA - dedicated DMA for motor control. These features enable single-chip BLDC and PMSM motor control. The 1.25ns timer resolution is exceptional for high-frequency PWM. Combined with the 240MHz CPU and FPU, this MCU can handle complex FOC algorithms for high-performance motor drives.
Excellent for BLDC/PMSM motor control. Use dedicated motor control timers for best results.
What Ethernet speeds does HC32F4A0 support?
HC32F4A0 Ethernet specifications: (1) Speed - 10/100 Mbps (Fast Ethernet), no Gigabit support; (2) Interface - MII and RMII to external PHY; (3) DMA - dedicated DMA for TX/RX, enabling zero-copy operation; (4) Features - IEEE 1588 PTP, Wake-on-LAN, flow control; (5) PHY - requires external PHY chip (e.g., LAN8720, DP83848); (6) Stack - lwIP compatible, TCP/IP offloading. The Ethernet MAC is suitable for industrial Ethernet, IoT gateways, and networked embedded systems. For Gigabit Ethernet, consider adding external MAC/PHY or use different MCU.
10/100 Ethernet suitable for industrial applications. Requires external PHY.
Can HC32F4A0 run Linux?
HC32F4A0 Linux support: (1) Core - Cortex-M4 is microcontroller core, not application processor; (2) Memory - 512KB Flash, 96KB RAM insufficient for Linux; (3) MMU - no memory management unit required for Linux; (4) Alternative - run RTOS like FreeRTOS, RT-Thread, or Azure RTOS; (5) Options - for Linux, consider Cortex-A series MPUs like i. MX6 or Allwinner. The HC32F4A0 is designed for real-time control applications with RTOS, not for running Linux. Use appropriate RTOS for embedded control, networking, and industrial applications.
Cannot run Linux. Use RTOS like FreeRTOS or RT-Thread instead.