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ST72F321AR9T6 from ST,ST Microelectronics

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ST72F321AR9T6

Manufacturer: ST

64/44-PIN 8-BIT MCU WITH 32 TO 60K FLASH/ROM, ADC, FIVE TIMERS, SPI, SCI, I2C INTERFACE

Partnumber Manufacturer Quantity Availability
ST72F321AR9T6 ST 3840 In Stock

Description and Introduction

64/44-PIN 8-BIT MCU WITH 32 TO 60K FLASH/ROM, ADC, FIVE TIMERS, SPI, SCI, I2C INTERFACE The **ST72F321AR9T6** is a microcontroller from STMicroelectronics. Below are its key specifications, descriptions, and features:

### **Manufacturer:**  
STMicroelectronics  

### **Specifications:**  
- **Core:** ST7 8-bit microcontroller  
- **CPU Speed:** Up to 8 MHz  
- **Program Memory (Flash):** 32 KB  
- **RAM:** 1 KB  
- **EEPROM:** 1 KB  
- **Operating Voltage:** 3.0V to 5.5V  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** LQFP-64  

### **Features:**  
- **On-chip Peripherals:**  
  - 10-bit ADC (Analog-to-Digital Converter)  
  - Timers (including watchdog timer)  
  - SPI, I²C, and UART communication interfaces  
  - PWM (Pulse Width Modulation) outputs  
- **Low Power Modes:** Halt and Wait modes for power saving  
- **Development Support:** In-circuit debugging/programming  

### **Applications:**  
- Industrial control systems  
- Consumer electronics  
- Automotive applications  
- Embedded control systems  

This microcontroller is designed for cost-sensitive applications requiring reliable 8-bit processing with integrated peripherals.

Application Scenarios & Design Considerations

64/44-PIN 8-BIT MCU WITH 32 TO 60K FLASH/ROM, ADC, FIVE TIMERS, SPI, SCI, I2C INTERFACE
Partnumber Manufacturer Quantity Availability
ST72F321AR9T6 STM 2868 In Stock

Description and Introduction

64/44-PIN 8-BIT MCU WITH 32 TO 60K FLASH/ROM, ADC, FIVE TIMERS, SPI, SCI, I2C INTERFACE The **ST72F321AR9T6** is a microcontroller from **STMicroelectronics (STM)**. Below are its key specifications, descriptions, and features based on available data:

### **Specifications:**
- **Core:** 8-bit ST7 core with 16-bit addressing  
- **Clock Speed:** Up to **8 MHz**  
- **Flash Memory:** **32 KB** (with read-out protection)  
- **RAM:** **1 KB**  
- **EEPROM:** **1 KB** (data storage)  
- **Operating Voltage:** **4.0V to 5.5V**  
- **Operating Temperature Range:** **-40°C to +85°C**  
- **Package:** **LQFP64 (10x10mm)**  

### **Peripherals & Features:**
- **Timers:**  
  - 16-bit timer with **PWM, input capture, and output compare**  
  - 8-bit timer with **PWM and auto-reload**  
- **Communication Interfaces:**  
  - **SPI (Serial Peripheral Interface)**  
  - **I²C (Inter-Integrated Circuit)**  
  - **UART (Universal Asynchronous Receiver-Transmitter)**  
- **Analog Features:**  
  - **10-bit ADC (Analog-to-Digital Converter)** with **8 channels**  
- **Interrupts:**  
  - Nested interrupt controller  
- **I/O Ports:**  
  - Up to **51 I/O pins** (with push-pull, open-drain, and pull-up configurations)  
- **Watchdog Timer:** Independent watchdog for system reliability  
- **Low-Power Modes:** Halt and Active-Halt modes for power savings  

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

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

(Note: Always refer to the latest datasheet from STMicroelectronics for updated details.)

Application Scenarios & Design Considerations

64/44-PIN 8-BIT MCU WITH 32 TO 60K FLASH/ROM, ADC, FIVE TIMERS, SPI, SCI, I2C INTERFACE

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