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ST72T311R9Q6 from ST,ST Microelectronics

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ST72T311R9Q6

Manufacturer: ST

8-BIT MCU WITH NESTED INTERRUPTS, EEPROM, ADC, 16-BIT TIMERS, 8-BIT PWM ART, SPI, SCI, CAN INTERFACES

Partnumber Manufacturer Quantity Availability
ST72T311R9Q6 ST 23 In Stock

Description and Introduction

8-BIT MCU WITH NESTED INTERRUPTS, EEPROM, ADC, 16-BIT TIMERS, 8-BIT PWM ART, SPI, SCI, CAN INTERFACES The **ST72T311R9Q6** is a microcontroller from **STMicroelectronics** (ST). Below are the factual details about this part:

### **Manufacturer:**  
- **STMicroelectronics (ST)**  

### **Specifications:**  
- **Core:** ST7 8-bit microcontroller  
- **Operating Frequency:** Up to 8 MHz  
- **Memory:**  
  - **Flash:** 8 KB  
  - **RAM:** 384 bytes  
  - **EEPROM:** 256 bytes  
- **I/O Ports:** Up to 32 I/O pins  
- **Timers:**  
  - 8-bit timer with 7-bit prescaler  
  - 16-bit timer with 3-bit prescaler  
- **ADC:** 10-bit, 8-channel ADC  
- **Communication Interfaces:**  
  - SPI (Serial Peripheral Interface)  
  - SCI (Serial Communication Interface)  
- **Operating Voltage:** 3.0V to 5.5V  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** QFP (Quad Flat Package)  

### **Descriptions & Features:**  
- Based on the **ST7 core**, optimized for low-power and cost-sensitive applications.  
- Integrated **8 KB Flash memory** for program storage with in-circuit programming capability.  
- Includes **256 bytes of EEPROM** for non-volatile data storage.  
- **10-bit ADC** for analog signal processing.  
- Supports **SPI and SCI** for serial communication.  
- Robust **timers** for real-time control applications.  
- Wide **operating voltage range** (3.0V to 5.5V) suitable for battery-powered systems.  
- Industrial-grade temperature range (-40°C to +85°C).  

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

(Note: All information is based on STMicroelectronics' official documentation.)

Application Scenarios & Design Considerations

8-BIT MCU WITH NESTED INTERRUPTS, EEPROM, ADC, 16-BIT TIMERS, 8-BIT PWM ART, SPI, SCI, CAN INTERFACES

Alternative Part Number

  • STM8S208RBT6 --: Modern ST 8-bit MCU in the same 64-pin LQFP package with comparable Flash, RAM and peripheral set; a natural migration path from the ST72 series.
  • MC9S08DZ60MLH --: 8-bit S08 core MCU in 64-pin LQFP with similar memory size and integrated CAN/SCI/SPI peripherals, suitable as a functional cross-vendor replacement.
  • PIC18F6680-I/PT --: 8-bit MCU in 64-pin TQFP with comparable Flash/RAM and CAN support, offering a well-supported alternative architecture for the same application class.

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