STM32F103C8T6XXXTR STMicroelectronics Integrated Circuit (Quad Flat Packages) In Stock
STMicroelectronics STM32F103C8T6XXXTR is a 32-bit ARM Cortex-M3 microcontroller in LQFP-48 package, running up to 72 MHz with 64 KB Flash, 20 KB SRAM, USB, CAN, 2 ADCs, and 7 timers for versatile embedded control. Offers 9 communication interfaces and 7 DMA channels. From $3.50; in stock with worldwide shipping.
- Manufacturer
- STMicroelectronics
- Package
- Quad Flat Packages
- Pin Count
- 48
- Lifecycle
- ACTIVE
- Datasheet
- STM32F103C8T6XXXTR Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of STM32F103C8T6XXXTR?
- ARM Cortex-M3 core at up to 72 MHz with 64 KB Flash and 20 KB SRAM for responsive embedded control
- Integrated USB and CAN interfaces alongside 9 communication peripherals in a single LQFP-48 package
- 7 DMA channels and 2 12-bit ADCs enable concurrent data acquisition and peripheral offloading without CPU overhead
What is STM32F103C8T6XXXTR used for?
The STM32F103C8T6XXXTR is widely used in motor control, industrial automation, and consumer embedded systems that require real-time processing at 72 MHz with built-in USB and CAN connectivity. Its LQFP-48 footprint, 2 ADC channels, and 7 timers make it a strong fit for robotics controllers, IoT gateway nodes, and PLC module designs demanding multi-peripheral integration on a cost-optimized 32-bit platform.
What are the specifications of STM32F103C8T6XXXTR?
| YTEOL | 8.22 |
| Has ADC | YES |
| Bit Size | 32 |
| CPU Family | CORTEX-M3 |
| Clock Frequency-Max | 8MHz |
| DAC Channels | NO |
| DMA Channels | YES |
| JESD-30 Code | S-PQFP-G48 |
| JESD-609 Code | e4 |
| Number of DMA Channels | 7 |
| Number of I/O Lines | 37 |
| Number of Timers | 7 |
| On Chip Program ROM Width | 8 |
| PWM Channels | YES |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | QFP48,.35SQ,20 |
| Package Shape | SQUARE |
| Package Style | FLATPACK |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| RAM (bytes) | 20480 |
| ROM (words) | 65536 |
| ROM Programmability | FLASH |
| Speed | 72MHz |
| Supply Current-Max | 50mA |
| Supply Voltage-Max | 3.6V |
| Supply Voltage-Min | 2.7V |
| Supply Voltage-Nom | 2.7V |
| Surface Mount | YES |
| Technology | CMOS |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | NICKEL PALLADIUM GOLD |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.5mm |
| Terminal Position | QUAD |
| Time@Peak Reflow Temperature-Max (s) | 40 |
| uPs/uCs/Peripheral ICs Type | MICROCONTROLLER, RISC |
| Package | Quad Flat Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 3 |
| HTS Code | 8542.31.00.25 |
Where can I find the STM32F103C8T6XXXTR datasheet?
STM32F103C8T6XXXTR Datasheet DownloadOfficial datasheet from STMicroelectronics
What are equivalent replacements for STM32F103C8T6XXXTR?
Compatible alternatives and drop-in replacements for STM32F103C8T6XXXTR:
RISC Microcontroller, 32-Bit, FLASH, CORTEX-M3 CPU, 1.25MHz, CMOS, PQFP48
RISC Microcontroller, 32-Bit, FLASH, CORTEX-M3 CPU, 1.25MHz, CMOS, PQFP48
Frequently Asked Questions
Which control application designs can use STM32F103C8T6XXXTR at 72 MHz from a 3.3 V rail?
The STM32F103C8T6XXXTR running at 72 MHz on a 3.3 V supply is suitable for brushless motor control, PID-based industrial controllers, and multi-axis servo systems, leveraging its 7 timers, 2 12-bit ADCs, and 7 DMA channels to achieve deterministic real-time loop execution without CPU stalling on peripheral transfers.
For a compact motor-control PCB layout, how much board space does the LQFP-48 package require?
The LQFP-48 (S-PQFP-G48) package of the STM32F103C8T6XXXTR measures 7 mm x 7 mm body with 0.5 mm lead pitch, making it a space-efficient choice for motor driver PCBs where the MCU footprint must leave room for gate driver ICs, current-sense resistors, and bulk capacitors within a compact 50 mm x 50 mm board area.
How do the integrated USB and CAN interfaces on STM32F103C8T6XXXTR reduce external component count?
By integrating full-speed USB 2.0 and CAN 2.0B peripherals on-chip alongside 9 communication interfaces, the STM32F103C8T6XXXTR eliminates the need for external USB-to-UART bridge ICs or standalone CAN controllers, reducing BOM by 2-4 components and shrinking PCB area in cost-sensitive IoT and industrial control designs.
When is STM32F103C8T6XXXTR a lower-cost alternative to higher-Flash STM32F103 variants?
STM32F103C8T6XXXTR with 64 KB Flash is the economical choice when firmware fits within 64 KB and the application uses fewer than 48 pins, offering a price advantage over the STM32F103CBT6 (128 KB Flash) or STM32F103RBT6 (LQFP-64) variants, especially in high-volume consumer and industrial designs where unit cost savings across thousands of boards are material.
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About STMicroelectronics
STMicroelectronics is a global semiconductor leader serving customers across the spectrum of electronics applications. ST's products are found in a wide range of applications including automotive, industrial, personal electronics, and communications.
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