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ST72C334J2 from ST,ST Microelectronics

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ST72C334J2

Manufacturer: ST

8-BIT MCU WITH SINGLE VOLTAGE FLASH MEMORY, ADC, 16-BIT TIMERS, SPI, SCI INTERFACES

Partnumber Manufacturer Quantity Availability
ST72C334J2 ST 115 In Stock

Description and Introduction

8-BIT MCU WITH SINGLE VOLTAGE FLASH MEMORY, ADC, 16-BIT TIMERS, SPI, SCI INTERFACES The ST72C334J2 is a microcontroller from STMicroelectronics.  

**Specifications:**  
- **Core:** ST7 8-bit microcontroller  
- **Operating Frequency:** Up to 8 MHz  
- **Program Memory (Flash):** 8 KB  
- **RAM:** 384 bytes  
- **EEPROM:** 256 bytes  
- **I/O Ports:** Up to 32 I/O pins  
- **Timers:** Two 16-bit timers with PWM capability  
- **ADC:** 8-channel 10-bit ADC  
- **Communication Interfaces:** SPI, SCI (UART)  
- **Operating Voltage:** 4.5V to 5.5V  
- **Package:** PLCC44  

**Features:**  
- Low-power modes (Wait, Halt)  
- Watchdog timer  
- On-chip oscillator  
- Industrial temperature range (-40°C to +85°C)  
- In-circuit programming (ICP) support  

**Applications:**  
- Industrial control  
- Consumer electronics  
- Automotive systems  
- Home appliances  

The ST72C334J2 is designed for embedded applications requiring robust performance and low power consumption.

Application Scenarios & Design Considerations

8-BIT MCU WITH SINGLE VOLTAGE FLASH MEMORY, ADC, 16-BIT TIMERS, SPI, SCI INTERFACES

Alternative Part Number

  • MC68HC908JL3 --: 8-bit HC08 core MCU with similar GPIO, timers, and flash memory, suitable as a functional replacement in many embedded control applications.
  • PIC16F877A --: Widely available 8-bit MCU with comparable I/O count, timers, and flash program memory, often used as a drop-in alternative in legacy designs.
  • AT89C51 --: Classic 8051-compatible 8-bit MCU with similar peripheral set and pin-count options, useful for cost-sensitive replacements with minimal firmware changes.

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