STMicroelectronics STM32F103REY6TR
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $14.24 | $14.24 |
| 15+ | $9.36 | $140.40 |
| 25+ | $9.15 | $228.75 |
| 50+ | $8.64 | $432.00 |
| 100+ | $7.63 | $763.00 |
| N+ | $1.53 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | STMicroelectronics |
| Product Series | STM32F1 |
| Packaging | Cut Tape (CT) | Tape & Reel (TR) |
| Core Processor | ARM® Cortex®-M3 |
| Core Size | 32-Bit Single-Core |
| Speed | 72MHz |
| Connectivity | CANbus, I2C, IrDA, LINbus, SPI, UART/USART, USB |
| Peripherals | DMA, Motor Control PWM, PDR, POR, PVD, PWM, Temp Sensor, WDT |
| Number of I/O | 51 |
| Program Memory Size | 512KB (512K x 8) |
| Program Memory Type | FLASH |
| EEPROM Size | - |
| RAM Size | 64K x 8 |
| Voltage - Supply (Vcc/Vdd) | 2V ~ 3.6V |
| Data Converters | A/D 16x12b; D/A 2x12b |
| Oscillator Type | Internal |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Grade | - |
| Qualification AEC | - |
| Mounting Type | Surface Mount |
| Supplier Device Package | 64-WLCSP (4.47×4.4) |
| Package / Case | 64-UFBGA, WLCSP |
| ROHS |
The STM32F103REY6TR from STMicroelectronics is a mainstream 32-bit microcontroller based on the ARM Cortex-M3 core. It runs at 72MHz and provides 512KB of flash and 64KB of SRAM. With a supply voltage range of 2V to 3.6V, it is optimized for low-power and portable applications. This variant comes in a compact 64-UFBGA package, making it ideal for space-constrained designs. It includes a comprehensive set of peripherals including DMA, motor control PWM, and multiple communication interfaces, offering a cost-effective solution for a wide range of embedded applications.
- Compact Package: The 64-UFBGA (WLCSP) package saves significant PCB area, enabling miniaturized product designs.
- Proven Cortex-M3 Core: The 72MHz core provides a balanced performance-to-power ratio, ideal for many embedded applications.
- Large Flash: 512KB flash allows storing complex firmware and even small file systems.
- Rich Peripherals: Includes motor control PWM, multiple timers, ADCs, and communication interfaces (USART, SPI, I2C, USB).
- Wide Ecosystem: STM32 family offers extensive software libraries, tools, and community support, accelerating development.
Portable Consumer Electronics
The small WLCSP package and low power consumption make it perfect for wearables, smartwatches, and portable medical monitors.
Motor Control for Drones
With motor control PWM and high-speed ADC, it enables efficient ESC (electronic speed controller) designs for multirotor drones.
Industrial Sensors
Its rich analog peripherals and DMA support high-speed data acquisition from sensors, enabling predictive maintenance systems.
IoT End Nodes
Multiple communication interfaces (USART, SPI, I2C, USB) allow easy connection to Wi-Fi/Bluetooth modules for smart home devices.
Automotive Aftermarket
Operating from -40°C to 85°C, it suits car alarm systems, telematics, and infotainment control units.
Educational Kits
Its popularity and extensive documentation make it a great choice for university labs and hobbyist projects.
- Q: What is the core architecture of the STM32F103REY6TR?
- A: It is based on the ARM Cortex-M3 core running at up to 72MHz.
- Q: What is the supply voltage range?
- A: It operates from 2V to 3.6V, suitable for battery-powered devices.
- Q: How much flash and RAM does it have?
- A: It offers 512KB of flash memory and 64KB of SRAM.
- Q: What package is this variant?
- A: It comes in a 64-UFBGA (WLCSP) package, ideal for space-constrained designs.
- Q: What is the core architecture of the STM32F103REY6TR?
- A: It is based on the ARM Cortex-M3 core running at up to 72MHz.
- Q: What is the supply voltage range?
- A: It operates from 2V to 3.6V, suitable for battery-powered devices.
- Q: How much flash and RAM does it have?
- A: It offers 512KB of flash memory and 64KB of SRAM.
- Q: What package is this variant?
- A: It comes in a 64-UFBGA (WLCSP) package, ideal for space-constrained designs.

STM32F103REY6TR.pdf