The **M3H63TCD-R** belongs to the **M3H Group** of the **TXZ+™ Family Advanced Class** microcontrollers developed by **Toshiba**. This series is based on the ARM® Cortex®-M3 core and is specifically designed for high-performance motor control and consumer electronics. --- ### 1. Key Technical Specifications Below are the core technical parameters for the M3H63TCD-R: | Parameter | Specification | | :--- | :--- | | **Core** | ARM® Cortex®-M3 | | **Maximum Frequency** | 120 MHz | | **Flash Memory** | 128 KB | | **SRAM** | 16 KB | | **Operating Voltage** | 2.7V to 5.5V | | **Package** | LQFP64 (10mm x 10mm) | | **Operating Temperature** | -40°C to +85°C | --- ### 2. Specialized Peripheral Modules The "M3H" series is notable for its integration of high-precision analog and motor-specific hardware: * **A/D Converter (ADC):** Features a 12-bit high-speed ADC with a conversion time of approximately 1.5 $\mu s$. It is often used for sensing motor current and voltage. * **Advanced Programmable Motor Control (A-PMD):** A dedicated hardware block that generates 3-phase PWM signals, capable of interacting with the ADC to synchronize current sensing with PWM cycles. * **Encoder Input:** Includes a 32-bit Quadrature Encoder Interface (QEI) for precise motor position and speed feedback. * **Communication Interfaces:** * **UART:** 4 Channels * **I2C:** 2 Channels * **TSPI (Serial Peripheral Interface):** 2 Channels --- ### 3. Application Use Cases Due to its 5V operation capability and specialized motor peripherals, this part is commonly found in: 1. **Home Appliances:** Washing machines, refrigerators, and air conditioners (Inverter control). 2. **Industrial Equipment:** Small pumps, fans, and conveyor belt motors. 3. **Consumer Electronics:** High-end power tools and office automation devices. --- ### 4. Part Number Decoder Understanding the suffix helps in sourcing: | Code Segment | Meaning | | :--- | :--- | | **M3H** | Group Name (ARM Cortex-M3 High-speed) | | **6** | Pin Count (64-pin) | | **3** | Flash Memory Size (128 KB) | | **TCD** | Specific functional version / Package type | | **-R** | Tape and Reel packaging (Commercial shipping format) | ---