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MB90F349CES from FUJITSU,Fujitsu Microelectronics

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MB90F349CES

Manufacturer: FUJITSU, FUJI

16-bit Proprietary Microcontroller CMOS

Partnumber Manufacturer Quantity Availability
MB90F349CES FUJITSU, FUJI 127 In Stock

Description and Introduction

16-bit Proprietary Microcontroller CMOS The MB90F349CES is a microcontroller manufactured by **FUJITSU**. Below are its key specifications, descriptions, and features based on factual information:  

### **Specifications:**  
- **Manufacturer:** FUJITSU (now part of Spansion/Renesas)  
- **Core:** 16-bit **F²MC-16LX** CPU core  
- **Clock Speed:** Up to **20 MHz**  
- **Operating Voltage:** **3.0V to 5.5V**  
- **Flash Memory:** **128 KB**  
- **RAM:** **4 KB**  
- **Package:** **80-pin LQFP (Low-profile Quad Flat Package)**  
- **I/O Ports:** **Up to 64 I/O pins**  
- **Timers:**  
  - 16-bit timers (x6)  
  - Watchdog timer  
- **Communication Interfaces:**  
  - UART (x2)  
  - I²C (x1)  
  - CAN (x1)  
- **ADC:** **10-bit, 8-channel**  
- **PWM Channels:** **8 channels**  
- **Operating Temperature Range:** **-40°C to +85°C**  

### **Descriptions:**  
The **MB90F349CES** is a **16-bit microcontroller** designed for embedded applications requiring high performance and low power consumption. It is part of the **F²MC-16LX family**, optimized for automotive and industrial control systems.  

### **Features:**  
- **High-speed processing** with 20 MHz operation  
- **Low-power modes** for energy efficiency  
- **On-chip Flash memory** for program storage  
- **Multiple communication interfaces** (UART, I²C, CAN)  
- **Robust analog capabilities** with 10-bit ADC  
- **PWM outputs** for motor control applications  
- **Wide operating voltage range** (3.0V–5.5V)  
- **Industrial-grade temperature range** (-40°C to +85°C)  

This microcontroller is commonly used in **automotive electronics, industrial automation, and consumer electronics**.  

(Note: Availability may vary as Fujitsu's microcontroller division was acquired by Spansion, later merged with Cypress, and now part of Renesas.)

Application Scenarios & Design Considerations

16-bit Proprietary Microcontroller CMOS

Alternative Part Number

  • MB90F347CES --: Same F2MC-16LX family in the same series with comparable flash and peripherals; closest functional match and often pin-compatible, so it is the top drop-in candidate after checking memory size and pinout.
  • MB90F387SPMC --: F2MC-16LX microcontroller with similar flash-based architecture and peripheral set; a viable alternative when the exact F349 variant is unavailable, subject to package and memory verification.
  • MB90349CASPFV --: Same 16LX core family with comparable on-chip flash and I/O features; usable as a fallback replacement if pinout and memory differences are acceptable for the application.

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