STM32F103RBT6TR
Overview
The STM32F103RBT6TR is a mainstream performance line 32-bit microcontroller based on the ARM Cortex-M3 core operating at 72MHz. It features 128KB of Flash memory, 20KB of SRAM, and a comprehensive set of enhanced I/Os and peripherals connected to two APB buses. This device is widely regarded as an industry standard for general-purpose embedded applications requiring a balance of performance and peripheral integration.
Why Choose This Part
The STM32F103 series offers a massive ecosystem of middleware, libraries, and community support, significantly reducing development time. Its integration of a USB 2.0 interface and CAN 2.0B controller makes it highly versatile for mixed-protocol environments. The Cortex-M3 architecture provides high computational efficiency with low power consumption compared to older 8-bit or 16-bit architectures.
Applications
Key Specifications
Getting Started
Developers can start with the NUCLEO-F103RB development board for rapid prototyping with integrated debugger support. Software development is typically performed using STM32CubeIDE or Keil MDK, utilizing the STM32CubeF1 hardware abstraction layer (HAL) for peripheral configuration. Practical debugging is facilitated through the on-chip Serial Wire Debug (SWD) and JTAG interfaces.
Dev Boards
Development boards and breakout modules featuring the STM32F103RBT6TR or compatible chips — ready to use for prototyping.
STM32F103 Family
Comparing specs that differ across variants. The current part is highlighted.
| Part Number | RAM | I/O Pins | Package | ADC/DAC | Flash | Stock |
|---|---|---|---|---|---|---|
| STM32F103RBT6TR (this part) Tape & Reel | 20K | 51 | LQFP-64 | A/D 16x12b | 128KB | 17,074 |
| STM32F103VET6TR Tape & Reel | 64K | 80 | LQFP-100 | A/D 16x12b; D/A 2x.. | 512KB | 16,007 |
| STM32F103C8T6 | 20K | 37 | LQFP-48 | A/D 10x12b | 64KB | 2,612 |
| STM32F103C8T6TR Tape & Reel | 20K | 37 | LQFP-48 | A/D 10x12b | 64KB | 2,319 |
| STM32F103RET6 | 64K | 51 | LQFP-64 | A/D 16x12b; D/A 2x.. | 512KB | 1,783 |
| STM32F103RBT6 | 20K | 51 | LQFP-64 | A/D 16x12b | 128KB | 16,843 |
| STM32F103RCT6 | 48K | 51 | LQFP-64 | A/D 16x12b; D/A 2x.. | 256KB | 26,084 |
| STM32F103VET6 | 64K | 80 | LQFP-100 | A/D 16x12b; D/A 2x.. | 512KB | 28,408 |
| STM32F103ZET6 | 64K | 112 | LQFP-144 | A/D 21x12b; D/A 2x.. | 512KB | 3,999 |



