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ST72F621L4M1 from ST,ST Microelectronics

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ST72F621L4M1

Manufacturer: ST

LOW SPEED USB 8-BIT MCU WITH 3 ENDPOINTS, FLASH OR ROM MEMORY, LVD, WDG, 10-BIT ADC, 2 TIMERS, SCI, SPI

Partnumber Manufacturer Quantity Availability
ST72F621L4M1 ST 140 In Stock

Description and Introduction

LOW SPEED USB 8-BIT MCU WITH 3 ENDPOINTS, FLASH OR ROM MEMORY, LVD, WDG, 10-BIT ADC, 2 TIMERS, SCI, SPI The **ST72F621L4M1** is a microcontroller from STMicroelectronics. Below are its key specifications, descriptions, and features based on available data:

### **Manufacturer:**  
STMicroelectronics  

### **Specifications:**  
- **Core:** ST7 8-bit microcontroller  
- **Operating Frequency:** Up to 8 MHz  
- **Flash Memory:** 8 KB  
- **RAM:** 384 bytes  
- **EEPROM:** 256 bytes  
- **I/O Ports:** Up to 32 programmable I/O pins  
- **Timers:**  
  - 8-bit timer with 7-bit prescaler  
  - 16-bit timer with 3-bit prescaler  
- **ADC:** 8-channel, 10-bit resolution  
- **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:** LQFP44  

### **Descriptions & Features:**  
- Based on the **ST7 core**, optimized for low-power and cost-sensitive applications.  
- Includes **on-chip Flash memory** for program storage and **EEPROM** for data retention.  
- Supports **low-power modes** (Wait, Halt) for energy efficiency.  
- Integrated **10-bit ADC** for analog signal processing.  
- Robust **watchdog timer** for system reliability.  
- **Industrial-grade** operating temperature range.  
- Suitable for **automotive, industrial, and consumer applications**.  

For exact details, always refer to the **official STMicroelectronics datasheet**.

Application Scenarios & Design Considerations

LOW SPEED USB 8-BIT MCU WITH 3 ENDPOINTS, FLASH OR ROM MEMORY, LVD, WDG, 10-BIT ADC, 2 TIMERS, SCI, SPI
Partnumber Manufacturer Quantity Availability
ST72F621L4M1 STM 36900 In Stock

Description and Introduction

LOW SPEED USB 8-BIT MCU WITH 3 ENDPOINTS, FLASH OR ROM MEMORY, LVD, WDG, 10-BIT ADC, 2 TIMERS, SCI, SPI The **ST72F621L4M1** is a microcontroller from STMicroelectronics (STM) based on the **ST7** 8-bit core. Below are its key specifications, descriptions, and features:

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

### **Specifications:**  
- **Core:** 8-bit ST7  
- **Operating Frequency:** Up to **8 MHz**  
- **Flash Memory:** **8 KB**  
- **RAM:** **384 bytes**  
- **EEPROM:** **256 bytes**  
- **I/O Pins:** **26** (multiplexed with other functions)  
- **Timers:**  
  - 1 × **16-bit timer** with PWM and input capture  
  - 1 × **8-bit timer**  
- **ADC:** **8-channel, 10-bit**  
- **Communication Interfaces:**  
  - **SPI** (Serial Peripheral Interface)  
  - **I²C** (Inter-Integrated Circuit)  
  - **UART** (Universal Asynchronous Receiver-Transmitter)  
- **Operating Voltage:** **3.0V to 5.5V**  
- **Package:** **SO-28** (Small Outline, 28 pins)  
- **Operating Temperature Range:** **-40°C to +85°C**  

### **Features:**  
- **Low-power modes** (Wait, Halt)  
- **Watchdog Timer (WDT)** for system reliability  
- **On-chip oscillator** with optional external clock  
- **Robust reset circuitry** (Power-On Reset, Low-Voltage Detector)  
- **Industrial-grade reliability** with high noise immunity  

### **Applications:**  
- Industrial control systems  
- Consumer electronics  
- Automotive applications (non-safety critical)  
- Home appliances  

This microcontroller is designed for cost-sensitive embedded applications requiring moderate processing power and peripheral integration.

Application Scenarios & Design Considerations

LOW SPEED USB 8-BIT MCU WITH 3 ENDPOINTS, FLASH OR ROM MEMORY, LVD, WDG, 10-BIT ADC, 2 TIMERS, SCI, SPI

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