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See Technical Specifications

STM32F103RB

MCU 32-bit ARM Cortex M3 RISC 128KB Flash 2.5V/3.3V

Manufacturer:

STMicroelectronics
Mfr.Part #:

STM32F103RB
Datasheet:

STM32F103RB Datasheet (PDF)
Series:

STM32
Core Processor:

Arm Cortex-M3
Core Size:

32-Bit
Speed:

72MHz
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STM32F103RB General Description

The STM32F103RB is a microcontroller based on the ARM Cortex-M3 processor. It is part of the STM32F1 series, which is a family of microcontrollers designed for embedded applications. The STM32F103RB offers a wide range of features and peripherals, making it suitable for various applications in fields such as industrial automation, consumer electronics, and communication systems.

Key Features

ARM Cortex-M3 processor running at up to 72 MHz
128 KB flash memory for program storage
20 KB RAM for data storage
Extensive set of peripherals, including timers, watchdogs, UART, SPI, I2C, ADC, and more
Multiple communication interfaces, such as USB, CAN, and Ethernet
On-chip debugging and programming support
Low power consumption and multiple low-power modes
Robust and secure operating system with various security mechanisms

Application

The STM32F103RB microcontroller is widely used in various applications, including:
Industrial automation: Controlling machinery, monitoring sensors, and communication with other systems.
Consumer electronics: Power management, user interface control, and connectivity.
Communication systems: Networking, data transfer, and protocol handling.
Medical devices: Monitoring, data acquisition, and control in medical equipment.
Automotive systems: Engine control, dashboard control, and safety systems.
Internet of Things (IoT): Sensor nodes, edge computing, and connectivity.

Specifications

Product Name	STM32F103RB	Product Type	Microcontroller
Series	STM32	Core Processor	Arm Cortex-M3
Core Size	32-Bit	Speed	72MHz
Connectivity	I²C, SPI, USART	Peripherals	DMA, GPIO, PWM, TIM
Number of I/Os	51	Program Memory Size	128KB Flash
Data RAM Size	20KB	Voltage - Supply	2.0 V ~ 3.6 V
Operating Temperature	-40°C ~ 85°C	Mounting Type	Surface Mount

STM32F103RB Equivalent Parts

You may consider these replacement and alternative parts:

Part Number

In-Stock

Package

Description

Part Number: TM4C123G

In-Stock: 6052

Package:

Description: TI TM4C123G: An ARM Cortex-M4F microcontroller with similar capabilities and performance.

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Ratings and Reviews

M**y 12/21/2022

Avaq never disappoints! Their STM32F103RB components are of the finest quality, ensuring optimal performance. Plus, their delivery speed deserves a round of applause.

A**h 06/18/2022

Avaq knows how to impress! Their STM32F103RB components are top-notch, ensuring smooth operation. Their delivery speed and customer service are simply outstanding.

B**t 05/10/2022

The STM32F103RB components purchased from Avaq exceeded my expectations. Pristine quality, no issues at all. Avaq's delivery speed and customer service are second to none.

K**e 08/19/2021

Avaq is my go-to electronic component supplier. Their STM32F103RB components are genuine and in perfect condition. Their swift delivery and attentive customer support make them unbeatable.