Part Number: STM8S207CBT6

Manufacturer: STMicroelectronics

Description: IC MCU 8BIT 128KB FLASH 48LQFP

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STM8S207CBT6 Introduction

The STM8S207CBT6 is an STM8S20xxx 8-bit  microcontroller with great performance. It can be used for a wide range of tasks because it has different Flash program memory choices and is a high-density device. In this guide, we’ll look at its most important features and perks to help you make the most of it in your projects.

Overview of 8-bit MCUs and their applications

8-bit microcontrollers (MCUs) are used a lot in embedded systems because they are easy to use, cheap, and efficient. They work best for apps that need a moderate amount of computing power and input/output (I/O) capabilities. Some popular ways 8-bit MCUs are used are:

  • Remote controls, home appliances, and game systems are all examples of consumer electronics.
  • Process control tools, motor control, and robotics are all parts of industrial automation.
  • Displays in the dashboard, systems for managing the engine, and systems for controlling the lights
  • IoT is made up of sensor nodes, smart home gadgets, and wearable technology.
  • Patient monitoring systems, infusion pumps, and diagnostic tools are all examples of medical gadgets.

Introduction to the STM8S207CBT6 MCU

The STM8S207CBT6 is an MCU made by STMicroelectronics. It is part of the STM8 family of MCUs. It was made to be a mainstream performance-line MCU with a good mix of low cost and advanced features. The STM8S207CBT6 MCU has an 8-bit core, a lot of flash memory, a fast CPU, and an EEPROM that is built in.

Features and Benefits

Costs for the whole system are lower because the STM8S207CBT6 has an integrated true data EEPROM that can be written to and erased up to 300,000 times. Also, its high level of system integration, which includes internal clock oscillators, a watchdog, and a brown-out restart, helps keep costs low.

  • Performance Stability: The STM8S207CBT6 guarantees stable performance with a CPU clock speed of up to 24 MHz and 20 MIPS (million instructions per second). It has strong I/O capabilities, independent watchdogs, and a clock security system, all of which improve the microcontroller’s total performance.
  • Short Development Cycles: The STM8S207CBT6 is able to scale applications across a shared product family architecture. This makes sure that the pinout, memory map, and modular peripherals are all compatible. There are a lot of development tools and a lot of documentation, which makes development processes shorter.
  • Product Lifespan: The STM8S207CBT6 will last a long time in the STM8S family because it has powerful core technology. It works with voltages from 2.95 V to 5.5 V, so it can be used for many different things. Modern technology is used to make sure that the microcontroller works well and lasts for a long time.

Architecture and Core Features

● Architecture overview

The STM8S207CBT6 follows the Harvard architecture with separate buses for program memory (Flash) and data memory (RAM).

● CPU and performance details

An efficient 8-bit STM8 core powers the MCU. With a 24 MHz CPU clock speed, it can process information quickly and perform actions in real-time.

● Memory organization: flash, RAM, and EEPROM

The MCU includes 128 KB of flash memory for storing programs. Up to 6 kbytes of RAM and 1 kbyte of internal EEPROM can both be used to store data.

● Integrated peripherals and communication interfaces

The STM8S207CBT6 has timers, UART, SPI, I2C, ADC, and DAC in addition to GPIO pins. These accessories enable communication with external devices and sensors and provide flexible connectivity.

● Clock system and power management

Both internal RC oscillators and external clock sources are supported by the MCU. It includes a range of clock speeds and power management tools, including low-power operating modes, to help users use energy more effectively.

The STM8S207CBT6 MCU allows programmers to build complex embedded systems by utilizing its architecture, CPU performance, memory organization, integrated peripherals, and clock system.

Peripheral Programming and Applications

● GPIO (General Purpose Input/Output) programming and interfacing

When interacting with sensors and external devices, GPIO pins are essential. Learn how to set pin states, read input values, and setup GPIO pins as inputs or outputs. Know GPIO interrupt-based actions as well as notions like push-pull and open-drain arrangements.

● Timers and counters

For activities like creating exact timing intervals, calculating time periods, and producing PWM signals, timers and counters are crucial. Investigate the settings for timers, input capture, output comparison, and PWM generation methods.

● Analog-to-Digital Converter (ADC) and Digital-to-Analog Converter (DAC)

The ADC enables you to process analog signals from sensors and other sources by converting them to digital values. Learn how to establish the ADC’s conversion settings, read the converted values, and setup the ADC. Recognize how to create analog output signals with configurable voltage levels using the DAC.

● UART, SPI, and I2C communication protocols

Learn more about the common device-to-device communication protocols. Discover how to set up and use I2C for inter-chip connections, SPI for synchronous serial communication, and UART for asynchronous serial communication. master methods for data transmission, receiving, and configurations tailored to various protocols.

● Interruptions and event handling

You can react quickly to outside events thanks to interruptions. Know how to define interrupt service routines (ISRs), enable and configure interrupts, and manage interrupt requests. Find out more about interrupt-driven programming approaches, nested interrupts, and prioritization.

● EEPROM usage and management

Critical data can be stored in non-volatile memory thanks to the embedded EEPROM. To increase the longevity of the device, learn how to read from and write to the EEPROM, manage data retention, and control wear leveling methods. Learn how to implement reliable error-checking systems to ensure data integrity.

You can use the STM8S207CBT6 MCU’s capabilities to the fullest extent and create a variety of embedded systems with effective GPIO interfacing, accurate timing, analog and digital signal processing, communication with other devices, and efficient data storage and management by mastering these peripheral programming and application techniques.


The STM8S207CBT6 is a powerful and flexible 8-bit MCU. It has 128 KB of flash, a 24 MHz CPU, and an internal EEPROM. It is important for creators and fans to know what it can do.

The MCU can be used for a wide range of tasks because of its low-cost design, large amount of flash memory, and built-in EEPROM. Its fast CPU makes sure that processing happens in real time, and its many peripherals and connection interfaces make it more useful.

By learning how to program peripherals and finding out what the MCU can do, developers can make new embedded systems. There are a lot of tools to help you with your projects, like documentation and online communities.

Contact ICRFQ today to find out how you can use the STM8S207CBT6 MCU to make your next embedded system more creative and effective. Accept the potential and set out on a fun journey of discovery and growth.

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