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STM32F103C8T6

ARM Cortex-M3 · 72 MHz · 64 KB Flash · 20 KB SRAM · LQFP-48

In Stock Manufacturer: STMicroelectronics Category: Flight Controller MCU
Specifications
Part NumberSTM32F103C8T6
ManufacturerSTMicroelectronics
CoreARM Cortex-M3
Max Frequency72 MHz
Flash Memory64 KB
SRAM20 KB
PackageLQFP-48 (7×7mm, 0.5mm pitch)
Supply Voltage2.0 V – 3.6 V
Operating Temperature−40°C to +85°C
GPIO Pins37
RoHS CompliantYes
Supply Voltage (VDD)2.0 V – 3.6 V
I/O Voltage3.3 V (5V tolerant on most pins)
Max Current (I/O pin)25 mA per pin
Power Consumption~50 mA at 72 MHz typical
Sleep Mode~3.5 µA (STOP mode)
ADC12-bit, 2× ADC, 12 channels
Timers3× general purpose, 1× advanced
UART / USART3× (up to 4.5 Mbit/s)
SPI2× SPI (up to 18 Mbit/s)
I²C2× I²C (Fast mode, 400 kHz)
USB2× USB 2.0 Full Speed
CAN1× CAN 2.0B
DebugSWD / JTAG
Part NumberSTM32F103C8T6
Order Qty1 pcs – 10,000+ pcs
Lead Time3–7 business days
PackagingTray / Tape & Reel
Export ControlEAR99
Product Description

The STM32F103C8T6 is an ARM Cortex-M3 based microcontroller from STMicroelectronics, operating at up to 72 MHz. It features 64KB of Flash memory and 20KB of SRAM, housed in a standard LQFP-48 package.

Key Features

  • 72 MHz Cortex-M3 with DSP instructions
  • 64KB Flash + 20KB SRAM
  • 3× USART, 2× SPI, 2× I²C
  • 2× 12-bit ADC, 12 channels
  • Wide operating voltage: 2.0–3.6V
  • Industrial temperature range −40°C to +85°C
UAV Applications
Racing Drone FC
Popular low-cost FC boards for Whoop and mini drones running Betaflight
Fixed-Wing Autopilot
Used in entry-level UAV autopilots for educational and hobby purposes
Multirotor FC
Reliable MCU for 3-inch and 5-inch drone flight controllers
Telemetry Module
Used in companion computers and OSD systems
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FAQ
What flight controller firmware supports STM32F103C8T6?
The STM32F103C8T6 from STMicroelectronics is compatible with Betaflight, iNav, and ArduPilot depending on the specific flight controller board. Check our blog for board-specific firmware compatibility.
What is the recommended operating voltage?
The STM32F103C8T6 operates from 1.8V to 3.6V (or 2.0V–3.6V depending on variant). Most FC boards include onboard LDOs to regulate from a 2S–6S LiPo battery.
Is this component in stock and what is the lead time?
In Stock at UAVCHIP. Standard lead time is 3–7 business days for small quantities. Contact us for bulk pricing and longer lead times on larger orders.

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