The **M3H16TAG-R** belongs to the **M3H Group** of the **TXZ+™ Family Advanced Series** microcontrollers developed by **Toshiba**. These are high-performance 32-bit microcontrollers based on the ARM® Cortex®-M3 core, designed specifically for motor control and consumer electronics. --- ### ## 1. Key Specifications The "M3H16TAG-R" alphanumeric code identifies specific memory and package configurations. | Parameter | Specifications | | :--- | :--- | | **Core** | ARM® Cortex®-M3 | | **Max Operating Frequency** | 120 MHz | | **Flash Memory** | 512 KB | | **RAM** | 64 KB | | **Operating Voltage** | 2.7V to 5.5V | | **Package Type** | TQFP100 (14mm x 14mm, 0.5mm pitch) | | **Temperature Range** | -40°C to +85°C | --- ### ## 2. Core Electronic Components & Features The internal architecture is optimized for high-speed processing and precise peripheral control. #### ### A. Integrated Analog Peripherals * **A/D Converter (ADC):** Features a 12-bit high-speed ADC (approx. 1.5 µs conversion time) with up to 21 channels. It supports "Self-Diagnosis," making it suitable for functional safety applications. * **Voltage Detector (LVD):** Monitors power supply levels to trigger resets or interrupts during brown-out conditions. #### ### B. Motor Control & Timers * **Advanced Programmable Motor Control (A-PMD):** A specialized circuit designed to control 3-phase motors (BLDC) with minimal CPU intervention. It includes dead-time insertion and emergency stop synchronization. * **32-bit Timer Event Counter (T32A):** Used for interval timing, input capture, and PWM output. #### ### C. Communication Interfaces The chip integrates several standard industrial communication protocols: * **UART:** Up to 6 channels. * **I2C:** Support for high-speed multi-master communication. * **TSPI:** Toshiba Serial Peripheral Interface (compatible with SPI). --- ### ## 3. Part Number Decoder Understanding the suffix helps in sourcing the exact electronic part: * **M3H:** Series (ARM Cortex-M3 High-performance). * **16:** Flash memory density indicator (512 KB). * **T:** Temperature/Specification grade. * **A:** Pin count category (100-pin). * **G:** Package code (TQFP). * **-R:** Refers to the Tape & Reel packaging for automated assembly. --- ### ## 4. Application Areas Due to its robust 5V support and high-speed core, it is commonly found in: 1. **Home Appliances:** Washing machines, air conditioners, and refrigerators. 2. **Industrial Equipment:** Small-scale PLC units and motor drive controllers. 3. **Consumer Electronics:** Devices requiring complex UI and high-precision analog sensing.