• STM32F103ZET6 LQFP-144
  • STM32F103ZET6
STM32F103ZET6 LQFP-144


ARM Microcontrollers - MCU 32BIT Cortex M3 Performance LINE

Quantity Unit Price(USD) Ext. Price
1 $4.039 $4.04
10 $3.567 $35.67
30 $3.327 $99.81
100 $3.005 $300.50
500 $2.889 $1,444.50
1000 $2.839 $2,839.00


*The price is for reference only.
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Overview of STM32F103ZET6

The STM32F103ZET6 is a high-performance ARM Cortex-M3 microcontroller from STMicroelectronics, offering a wide range of features and peripherals for various embedded applications.


(Note: The pin configuration below is a general representation. Refer to the specific datasheet for precise details.)

  • VDD: Main supply voltage
  • VSS: Ground
  • VDDA: Analog supply voltage
  • VSSA: Analog ground
  • NRST: Reset
  • PA0-PA15: General-purpose I/O
  • PB0-PB15: General-purpose I/O
  • PC0-PC15: General-purpose I/O
  • PD0-PD2: General-purpose I/O
  • PDR_ON: Power-down input
  • OSC_IN: Oscillator input
  • OSC_OUT: Oscillator output
  • BOOT0: Boot mode selection
  • BOOT1: Boot mode selection
  • NRST: Reset

Circuit Diagram

Incorporate a circuit diagram illustrating the connections and operation of the STM32F103ZET6 microcontroller for a visual representation.

Key Features

  • ARM Cortex-M3 Core: The STM32F103ZET6 features a powerful ARM Cortex-M3 core, providing high performance and efficiency for embedded applications.
  • High-Speed Clock: Operates at clock speeds up to 72MHz, enabling rapid execution of instructions and real-time processing.
  • Flash Memory: Offers up to 512KB of on-chip flash memory for program storage, allowing for flexible firmware implementations.
  • Peripheral Interfaces: Includes multiple communication interfaces such as UART, SPI, I2C, and USB, facilitating connectivity with external devices.
  • Analog Inputs: Provides analog inputs for ADC conversion, enabling sensor interfacing and analog signal processing.
  • Low-Power Modes: Supports various low-power modes for energy-efficient operation, extending battery life in portable applications.

Note: For detailed technical specifications, please refer to the STM32F103ZET6 datasheet.


  • Embedded Systems: Ideal for use in embedded systems requiring high performance and versatile peripheral capabilities.
  • Industrial Automation: Suitable for industrial automation applications such as motor control, monitoring, and data logging.
  • Consumer Electronics: Used in various consumer electronics products including home appliances, gaming devices, and multimedia systems.


The STM32F103ZET6 microcontroller integrates a powerful ARM Cortex-M3 core with versatile peripheral interfaces, making it suitable for a wide range of embedded applications. It offers high performance, extensive connectivity options, and energy-efficient operation.

Usage Guide

  • Power Supply: Connect VDD (Pin 7) and VDDA (Pin 6) to the main and analog supply voltages respectively.
  • Peripheral Connections: Utilize the GPIO pins for general-purpose I/O and configure the appropriate communication interfaces for external device connectivity.
  • Boot Mode Selection: Set the BOOT0 and BOOT1 pins to select the boot mode according to system requirements.

Frequently Asked Questions

Q: What are the main features of the STM32F103ZET6?
A: The STM32F103ZET6 features an ARM Cortex-M3 core, high-speed clock, extensive flash memory, versatile peripheral interfaces, analog inputs, and low-power modes.

Q: Is the STM32F103ZET6 suitable for battery-powered applications?
A: Yes, the STM32F103ZET6 offers low-power modes and efficient operation, making it suitable for battery-powered embedded systems.


For similar functionalities, consider these alternatives to the STM32F103ZET6:

  • STM32F407VGT6: This is a high-performance ARM Cortex-M4 microcontroller with advanced features and peripheral interfaces.
  • STM32L152RET6: A low-power ARM Cortex-M3 microcontroller suitable for battery-powered applications requiring extended battery life.


The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Operating Range Industrial Supply Voltage Min Volt 2.0
Supply Voltage Max Volt 3.6 Operating Temp Min Celsius -40.0
Operating Temp Max Celsius 85.0 Core Arm Cortex-M3
Packing Type Tray RoHs compliant Ecopack2
Grade Industrial

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