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- Brand
- STMicroelectronics
- Model
- STM32F103XB
- Industry
- Industrial
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- 5
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- EN · ZH
- Last added
- 2012-08-09
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STM32F103x8 STM32F103xB Medium-Density Performance Line ARM-Based 32-Bit MCU Datasheet
This document is a datasheet for the STM32F103x8 and STM32F103xB series of medium-density performance line ARM-based 32-bit microcontrollers. The devices feature an ARM Cortex-M3 CPU core operating at up to 72 MHz, with 64 or 128 KB of Flash memory and 20 KB of SRAM. Key peripherals include two 12-bit ADCs, seven timers, and up to nine communication interfaces such as I2C, USART, SPI, CAN, and USB 2.0 full-speed.
Read onlineSTMicroelectronics STM32F103XB specifications
| CPU Core | ARM 32-bit Cortex-M3 |
|---|---|
| Maximum Frequency | 72 MHz |
| Flash Memory | 64 or 128 Kbytes |
| SRAM | 20 Kbytes |
| ADC Resolution | 12-bit |
| ADC Channels | Up to 16 |
| Timers | 7 |
| Communication Interfaces | Up to 9 |
| Operating Voltage | 2.0 to 3.6 V |
Source: STM32F103x8 STM32F103xB Medium-Density Performance Line ARM-Based 32-Bit MCU Datasheet
All STMicroelectronics STM32F103XB documents by type
Ratings, dimensions and ordering codes, for selection and design work.
Day-to-day operation, settings and troubleshooting. Start here if the product is already set up.
Questions answered in these manuals
What is the maximum operating frequency of the STM32F103x8/xB?
The maximum frequency is 72 MHz.
From: STM32F103x8 STM32F103xB Medium-Density Performance Line ARM-Based 32-Bit MCU Datasheet
How much Flash and SRAM memory is available?
The devices have 64 or 128 Kbytes of Flash and 20 Kbytes of SRAM.
From: STM32F103x8 STM32F103xB Medium-Density Performance Line ARM-Based 32-Bit MCU Datasheet
What is the operating voltage range for the STM32F103x8 and STM32F103xB microcontrollers?
The devices operate with a supply voltage between 2.0 and 3.6 volts.
What is the maximum operating frequency of the ARM Cortex-M3 core?
The core has a maximum operating frequency of 72MHz.
What CPU core does the STM32F103xx enhanced series use?
It uses an ARM Cortex‑M3 core running at up to 72 MHz.
From: ST STM32F103x6 STM32F103x8 STM32F103xB micro controller handbook
What supply voltage range is supported?
The device operates from 2.0 V to 3.6 V.
From: ST STM32F103x6 STM32F103x8 STM32F103xB micro controller handbook