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ST72C334N4B6 from ST,ST Microelectronics

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ST72C334N4B6

Manufacturer: ST, STM, ST,ST

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

Partnumber Manufacturer Quantity Availability
ST72C334N4B6 ST, STM, ST,ST 20090 In Stock

Description and Introduction

8-BIT MCU WITH SINGLE VOLTAGE FLASH MEMORY, ADC, 16-BIT TIMERS, SPI, SCI INTERFACES The **ST72C334N4B6** is a microcontroller from **STMicroelectronics (STM)**. Below are its key specifications, descriptions, and features based on available information:

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

### **Specifications:**  
- **Core:** 8-bit ST7 core  
- **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 ADC**  
- **Communication Interfaces:**  
  - **SPI (Serial Peripheral Interface)**  
  - **SCI (Serial Communication Interface)**  
- **Operating Voltage:** **4.5V to 5.5V**  
- **Operating Temperature Range:** **-40°C to +85°C**  
- **Package:** **DIP-32 (Dual In-line Package, 32 pins)**  

### **Features:**  
- **Low-power modes** (Halt, Active Halt, Wait)  
- **Watchdog timer** for system reliability  
- **On-chip oscillator** with clock security system  
- **Robust reset circuitry** (Power-on reset, Low-voltage detector)  
- **Industrial-grade reliability**  

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

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

(Note: Always verify specifications with the latest datasheet from STMicroelectronics.)

Application Scenarios & Design Considerations

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

Alternative Part Number

  • ST72F324K4B6 --: Same ST7 8-bit core family with 16 KB flash and similar peripherals, pin-compatible in many designs and a common drop-in replacement.
  • ST72F324J4B6 --: ST7 family MCU with comparable flash size and I/O count; suitable when the N4 variant is unavailable, with minor pinout differences to verify.
  • ST72C254G2M6 --: Alternative ST7 series device with smaller memory but same architecture and toolchain, usable for less demanding applications as a fallback.
  • ST72C254G2B6 --: Another ST7 series part with similar architecture and low-voltage operation, usable as an alternative when exact memory and pinout can be adjusted.
  • MC68HC908GP32CFB --: 8-bit HC08 microcontroller in 44-pin QFP with similar flash, RAM, and peripheral set; well-established alternative for ST7 designs.
  • PIC18F4520-I/PT --: 8-bit PIC18 MCU in 44-pin TQFP with comparable flash, RAM, timers, and serial interfaces; widely available and easy to port.
  • ATmega32A-AU --: 8-bit AVR MCU in 44-pin TQFP with similar memory and peripheral mix; strong ecosystem and long-term availability.

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