XHSC-M3F103C8T6
High-performance Cortex-M3 MCU with 64KB Flash, 20KB SRAM, 72MHz operation, rich peripherals for industrial control a...
Product Overview
Description
The XHSC-M3F103C8T6 is a high-performance ARM Cortex-M3 microcontroller designed for demanding industrial and automotive applications.
Featuring 64KB Flash memory and 20KB SRAM, this MCU operates at up to 72MHz with single-cycle multiplication and hardware divide instructions.
Rich peripheral set includes 2x SPI, 2x I2C, 3x UART, 1x CAN 2.0B, 2x 12-bit ADC with 16 channels, and advanced PWM timers.
Product Series
XHSC
Primary Application
Industrial control systems
Key Features
- ARM Cortex-M3 core at 72MHz with single-cycle multiply
- 64KB Flash memory with 100K write cycles endurance
- 20KB SRAM for data and stack storage
- Rich communication interfaces including CAN 2.0B
- Dual 12-bit ADC with 1μs conversion time
- Advanced PWM with complementary outputs and dead-time
- Low power modes for battery applications
- Hardware CRC calculation unit
Specifications
| Core | ARM Cortex-M3 |
|---|---|
| Frequency | 72 MHz max |
| Flash Memory | 64 KB |
| SRAM | 20 KB |
| GPIO | Up to 51 |
| ADC | 2x 12-bit, 16 channels |
| Communication | 3x UART, 2x SPI, 2x I2C, 1x CAN |
| Timers | 8x 16-bit timers, 2x watchdog |
| Operating Voltage | 2.0V to 3.6V |
| Temperature Range | -40°C to +85°C (Industrial) |
| Package | LQFP48, LQFP64 |
Applications
Industrial control systems
Industrial automation and control
Motor control applications
Motor drive and control systems
Power supply digital control
Power conversion and supply
Home appliance controllers
Industrial automation and control
Automotive body electronics
Automotive and EV electronics
Sensor interface nodes
Sensor signal conditioning
FAE Expert Insights
"The XHSC-M3F103C8T6 is an excellent choice for cost-sensitive industrial applications requiring reliable performance. In my experience supporting motor control projects, this MCU delivers consistent results with its 72MHz Cortex-M3 core. The dual ADC channels are particularly useful for simultaneous current and voltage sampling in motor control applications. I recommend this MCU for applications up to medium complexity where real-time control is required. The CAN interface makes it ideal for industrial networking applications. One consideration is the 64KB Flash - plan your code size carefully if using complex control algorithms with lookup tables."
Excellent cost-performance for industrial motor control and automation
— Michael Chen, BeiLuo
Frequently Asked Questions
What is the maximum clock frequency of XHSC-M3F103C8T6?
The XHSC-M3F103C8T6 operates at a maximum clock frequency of 72MHz using the ARM Cortex-M3 core. This frequency provides excellent performance for real-time control applications while maintaining low power consumption. The MCU supports multiple clock sources including internal RC oscillators (8MHz and 40kHz) and external crystal oscillators (4-16MHz). The PLL allows frequency multiplication to achieve the 72MHz system clock. At 72MHz, the CPU can execute most instructions in a single cycle, providing 1.25 DMIPS/MHz performance.
72MHz is suitable for most industrial control applications. For higher performance requirements, consider XHSC M4 series MCUs.
How much Flash and SRAM does the XHSC-M3F103C8T6 have?
The XHSC-M3F103C8T6 features 64KB of Flash memory and 20KB of SRAM. The Flash memory is organized in 1KB pages and supports up to 100,000 write/erase cycles with 30 years data retention. It can be programmed via JTAG, SWD, or bootloader. The 20KB SRAM is organized as 16KB general-purpose SRAM plus 4KB battery-backed SRAM (when using external battery). This memory configuration is suitable for medium-complexity applications including motor control, industrial communication, and data acquisition systems.
64KB Flash is sufficient for most control applications. For larger code requirements, consider XHSC models with 128KB or 256KB Flash.
What communication interfaces are available on XHSC-M3F103C8T6?
The XHSC-M3F103C8T6 provides rich communication interfaces: 3x USARTs supporting synchronous and asynchronous modes up to 4.5Mbps, 2x SPI interfaces up to 18MHz for external peripherals and flash, 2x I2C interfaces supporting standard and fast modes (400kHz), and 1x CAN 2.0B interface for industrial networking. it includes a USB 2.0 full-speed device interface for PC connectivity. These interfaces make the MCU suitable for applications requiring multiple communication channels such as industrial gateways, protocol converters, and distributed control systems.
The rich peripheral set supports most industrial communication requirements. Contact our FAE team for specific protocol implementation guidance.
What ADC capabilities does XHSC-M3F103C8T6 offer?
The XHSC-M3F103C8T6 includes two 12-bit analog-to-digital converters (ADC) with up to 16 external input channels. Each ADC supports independent operation with conversion times as fast as 1μs at 72MHz. Key features include: single and continuous conversion modes, scan mode for multiple channels, injected conversion groups for high-priority measurements, analog watchdog for monitoring thresholds, and temperature sensor and internal voltage reference channels. The ADCs support various trigger sources including timers and external interrupts, making them ideal for synchronized sampling in motor control and power conversion applications.
Dual ADCs enable simultaneous sampling of multiple signals. Suitable for motor current sensing and power monitoring applications.
What packages are available for XHSC-M3F103C8T6?
The XHSC-M3F103C8T6 is available in two package options: LQFP48 (7x7mm body, 0.5mm pitch) with 37 GPIO pins available, and LQFP64 (10x10mm body, 0.5mm pitch) with 51 GPIO pins available. Both packages are RoHS compliant and support lead-free soldering processes. The LQFP48 is suitable for space-constrained applications, while the LQFP64 provides additional I/O pins for complex applications. Package height is 1.4mm maximum, making them suitable for standard PCB assemblies. XHSC provides complete package drawings, thermal characteristics, and soldering profiles in the datasheet.
Choose LQFP48 for compact designs or LQFP64 for applications requiring more I/O pins. Contact LiTong for package availability.
What development tools support XHSC-M3F103C8T6?
XHSC-M3F103C8T6 is supported by industry-standard development tools: 1) IDEs - Keil MDK-ARM, IAR Embedded Workbench, and Eclipse-based IDEs with GCC toolchain. 2) Debuggers - J-Link, ULINK2, ST-Link, and XHSC's own debug probes. 3) Development boards - XHSC provides evaluation boards with onboard debuggers and various peripheral connectors. 4) Software libraries - Complete peripheral driver library (SPL) and hardware abstraction layer (HAL) with comprehensive examples. 5) RTOS support - FreeRTOS, RT-Thread, and other popular RTOS ports available. LiTong provides technical support for tool setup and debugging assistance.
Use Keil or IAR for professional development, or GCC for open-source development. Contact LiTong for development tool recommendations.