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MB91F312A from FUJ

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MB91F312A

Manufacturer: FUJ

32-bit Microcontroller

Partnumber Manufacturer Quantity Availability
MB91F312A FUJ 441 In Stock

Description and Introduction

32-bit Microcontroller The MB91F312A is a microcontroller manufactured by Fujitsu (now part of Spansion). Below are the factual specifications, descriptions, and features based on available information:

### **Manufacturer:**  
- **FUJITSU** (now part of Spansion)  

### **Specifications:**  
1. **Core:**  
   - 32-bit FR (Fujitsu RISC) Family CPU (FR30 core)  
   - Up to 20 MHz operating frequency  

2. **Memory:**  
   - **Flash Memory:** 128 KB  
   - **RAM:** 6 KB  

3. **Peripherals:**  
   - **Timers:** Multiple 16-bit timers (including watchdog timer)  
   - **Serial Interfaces:** UART, I²C, SPI  
   - **A/D Converter:** 10-bit, 8-channel  
   - **D/A Converter:** 8-bit, 2-channel  
   - **PWM (Pulse Width Modulation):** Available  

4. **I/O Ports:**  
   - General-purpose I/O pins  

5. **Operating Voltage:**  
   - **3.3V** (typical)  

6. **Package Options:**  
   - **LQFP (Low-profile Quad Flat Package)**  

### **Descriptions:**  
- The **MB91F312A** is a **32-bit microcontroller** from Fujitsu’s **FR Family**, designed for embedded applications requiring low power consumption and high performance.  
- It integrates **Flash memory, RAM, and multiple peripherals**, making it suitable for automotive, industrial, and consumer electronics.  

### **Features:**  
- **High-speed processing** with a 32-bit RISC CPU.  
- **Low-power operation** for energy-efficient applications.  
- **On-chip debugging support** for development.  
- **Multiple communication interfaces** (UART, I²C, SPI) for connectivity.  
- **Analog-to-Digital (A/D) and Digital-to-Analog (D/A) converters** for sensor interfacing.  

This information is based on Fujitsu’s documentation. For exact details, refer to the official datasheet.

Application Scenarios & Design Considerations

32-bit Microcontroller
Partnumber Manufacturer Quantity Availability
MB91F312A FUJI 109 In Stock

Description and Introduction

32-bit Microcontroller The **MB91F312A** is a microcontroller manufactured by **Fujitsu (now part of Spansion)**. Below are the factual specifications, descriptions, and features based on available information:  

### **Manufacturer:**  
- **FUJITSU (now under Spansion)**  

### **Specifications:**  
- **Core:** **FR Family 32-bit RISC CPU (FR60 core)**  
- **Operating Frequency:** Up to **40 MHz**  
- **Supply Voltage:** **3.0V to 3.6V**  
- **Flash Memory:** **128 KB**  
- **RAM:** **8 KB**  
- **Package:** **100-pin LQFP (Low-profile Quad Flat Package)**  
- **Operating Temperature Range:** **-40°C to +85°C**  
- **I/O Ports:** **Up to 80 general-purpose I/O pins**  
- **Timers:**  
  - **16-bit Multi-Function Timer (MFT) × 4**  
  - **16-bit Reload Timer × 2**  
  - **Watchdog Timer (WDT)**  
- **Communication Interfaces:**  
  - **UART (Asynchronous Serial Interface) × 2**  
  - **LIN-UART (Local Interconnect Network) × 1**  
  - **I²C (Inter-Integrated Circuit) × 1**  
  - **CAN (Controller Area Network) × 1**  
- **ADC (Analog-to-Digital Converter):**  
  - **10-bit resolution, 8 channels**  
- **DMA (Direct Memory Access):** **4 channels**  
- **Low Power Modes:** **Sleep, Stop, and Clock Stop modes**  

### **Descriptions & Features:**  
- Designed for **automotive and industrial applications** requiring high reliability.  
- **Built-in Flash memory** supports in-system programming (ISP) and in-application programming (IAP).  
- **On-chip debugging** supported via **JTAG interface**.  
- **High-speed operation** with low power consumption.  
- **Robust peripheral set** for motor control, communication, and sensor interfacing.  
- **CAN interface** supports automotive networking applications.  
- **LIN-UART** enables cost-effective local networking.  

This microcontroller is optimized for **real-time control applications** in automotive electronics, industrial automation, and embedded systems.  

(Note: Always refer to the official datasheet for precise technical details.)

Application Scenarios & Design Considerations

32-bit Microcontroller

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