The **M3H56TDD-R** is a specific part number belonging to the **M3H Group** of the **TXZ+™ Family Advanced Class** microcontrollers developed by **Toshiba**. This component is based on the high-performance **ARM® Cortex®-M3** core and is designed for applications requiring high-speed data processing and robust motor control. --- ### 1. Key Technical Specifications The following table summarizes the primary hardware characteristics of the M3H56TDD-R: | Feature | Specification | | :--- | :--- | | **Core** | ARM® Cortex®-M3 | | **Maximum Frequency** | 120 MHz | | **Flash Memory** | 512 KB (Code) + 32 KB (Data) | | **RAM** | 64 KB | | **Operating Voltage** | 2.7V to 5.5V | | **Package Type** | LQFP100 (14mm x 14mm, 0.5mm pitch) | | **Operating Temperature** | -40°C to 85°C | --- ### 2. Core Electronic Subsystems #### A. Analog-to-Digital Conversion (ADC) The M3H56TDD-R is equipped with a high-speed, high-resolution **12-bit ADC**. * **Channels:** Up to 20 channels. * **Speed:** 1.5 $\mu$s conversion time. * **Usage:** Crucial for monitoring sensor inputs and feedback loops in power electronics. #### B. Motor Control Features (A-PMD) One of the standout features of this chip is the **Advanced Programmable Motor Driver (A-PMD)**. * It supports 3-phase complementary PWM output. * It includes emergency shutdown capabilities (via an OPAmp/Comparator trigger) to protect the hardware in case of overcurrent. #### C. Connectivity & Interfaces The part includes a wide variety of serial communication protocols: * **UART:** Up to 6 channels. * **I2C:** Up to 4 channels. * **TSPI (Serial Peripheral Interface):** Up to 4 channels. --- ### 3. Application Use Cases Due to its 5V operation support and the Cortex-M3 efficiency, this part is commonly used in: 1. **Home Appliances:** Washing machines, air conditioners, and refrigerators (Inverter control). 2. **Industrial Equipment:** Small-to-medium-sized motor drives and factory automation sensors. 3. **Power Management:** Digital power supply controllers. --- ### 4. Part Number Breakdown The suffix **"-R"** typically denotes the packaging format, usually referring to **Tape and Reel** delivery for automated SMT (Surface Mount Technology) assembly lines.