# STM32F103C8T6 (Component)
## Description
ARM® Cortex® M3 STM32F1 Microcontroller IC 32-Bit Single-Core 72MHz 64KB (64K x 8) FLASH
Medium-density performance line Arm®-based 32-bit MCU with
64 or 128 KB Flash, USB, CAN, 7 timers, 2 ADCs, 9 com. interfaces
Arm® 32-bit Cortex®-M3 CPU core
– 72 MHz maximum frequency, 1.25
DMIPS/MHz (Dhrystone 2.1) performance
at 0 wait state memory access
– Single-cycle multiplication and hardware
division
• Memories
– 64 or 128 Kbytes of Flash memory
– 20 Kbytes of SRAM
• Clock, reset and supply management
– 2.0 to 3.6 V application supply and I/Os
– POR, PDR, and programmable voltage
detector (PVD)
– 4 to 16 MHz crystal oscillator
– Internal 8 MHz factory-trimmed RC
– Internal 40 kHz RC
– PLL for CPU clock
– 32 kHz oscillator for RTC with calibration
• Low-power
– Sleep, Stop and Standby modes
– VBAT supply for RTC and backup registers
• 2x 12-bit, 1 µs A/D converters (up to 16
channels)
– Conversion range: 0 to 3.6 V
– Dual-sample and hold capability
– Temperature sensor
• DMA
– 7-channel DMA controller
– Peripherals supported: timers, ADC, SPIs,
I
2Cs and USARTs
• Up to 80 fast I/O ports
– 26/37/51/80 I/Os, all mappable on 16
external interrupt vectors and almost all
5 V-tolerant
Debug mode:
– Serial wire debug (SWD) and JTAG
interfaces
• Seven timers
– Three 16-bit timers, each with up to
4 IC/OC/PWM or pulse counter and
quadrature (incremental) encoder input
– 16-bit, motor control PWM timer with
dead-time generation and emergency stop
– Two watchdog timers (independent and
window)
– SysTick timer 24-bit downcounter
• Up to nine communication interfaces
– Up to two I2C interfaces (SMBus/PMBus®)
– Up to three USARTs (ISO 7816 interface,
LIN, IrDA capability, modem control)
– Up to two SPIs (18 Mbit/s)
– CAN interface (2.0B Active)
– USB 2.0 full-speed interface
• CRC calculation unit, 96-bit unique ID
• Packages are ECOPACK
#commonpartslibrary
#integratedcircuit
#microcontroller
#stm32f1
## Component Details
- **Owner:** adrian95
- **Created:** 6/23/2023
- **Last Updated:** 4/30/2026
- **Visibility:** Public
- **Part Type:** Microcontroller
- **License:** https://creativecommons.org/licenses/by/4.0/
- **Datasheet URL:** https://www.st.com/resource/en/datasheet/stm32f103cb.pdf
- **Manufacturer Part Number:** STM32F103C8T6
- **Symbol Style:** parametric-v1
- **Manufacturer Name:** STMicroelectronics
- **Used in:** 5 projects
## Distributor Pricing (qty 1)
*Pricing shown for quantity 1. For price breaks and other quantities, open in Flux.*
| Distributor | Unit Price (qty 1) | Stock |
|------------|--------------------|-------|
| [Arrow](https://www.arrow.com/en/products/stm32f103c8t6/stmicroelectronics.html?utm_currency=USD®ion=nac) | $2.5431 | 1.1M |
| [Digi-Key](https://www.digikey.com/en/products/detail/maxvision/STM32F103C8T6/21363366) | $6.08 | 8.4K |
| [LCSC](https://www.lcsc.com/product-detail/C8734.html) | $1.4717 | 32K |
| [Mouser](https://www.mouser.com/ProductDetail/STMicroelectronics/STM32F103C8T6?qs=bhCVus9SdFtq6kqxsU5%2FDA%3D%3D) | $5.42 | 8.5K |
| [TME](https://www.tme.com/us/en-us/katalog/?queryPhrase=STM32F103C8T6) | N/A | N/A |
| [Verical](https://www.verical.com/pd/stmicroelectronics-microcontroller-STM32F103C8T6-69880?utm_currency=USD) | N/A | N/A |
- **Part Type:** Integrated Circuits
- **Sub-Type:** Logic
- **Manufacturer:** STMicroelectronics
- **MPN:** STM32F103C8T6
- **Mount Type:** Base
- **Package / Case Code:** TO
- **Pin Count:** 48
- **Logic Function:** AND
## Pins
| Pin | Name | Type |
|-----|------|------|
| 36 | VDD | |
| 9 | VDDA | |
| 24 | VDD | |
| 48 | VDD | |
| 1 | VBAT | |
| 5 | PD0_OSC_IN | |
| 4 | PC15-OSC32_OUT | |
| 6 | PD1_OSC_OUT | |
| 3 | PC14-OSC32_IN | |
| 7 | NRST | |
| 44 | BOOT0 | |
| 21 | PB10 | |
| 46 | PB9 | |
| 17 | PA7 | |
| 42 | PB6 | |
| 10 | PA0_WKUP | |
| 40 | PB4 | |
| 26 | PB13 | |
| 19 | PB1 | |
| 2 | PC13-TAMPER-RTC | |
| 28 | PB15 | |
| 16 | PA6 | |
| 29 | PA8 | |
| 38 | PA15 | |
| 33 | PA12 | |
| 37 | PA14 | |
| 11 | PA1 | |
| 39 | PB3 | |
| 25 | PB12 | |
| 34 | PA13 | |
| 12 | PA2 | |
| 45 | PB8 | |
| 15 | PA5 | |
| 31 | PA10 | |
| 18 | PB0 | |
| 13 | PA3 | |
| 32 | PA11 | |
| 20 | PB2 | |
| 41 | PB5 | |
| 30 | PA9 | |
| 14 | PA4 | |
| 43 | PB7 | |
| 22 | PB11 | |
| 27 | PB14 | |
| 8 | VSSA | |
| 23 | VSS | |
| 47 | VSS | |
| 35 | VSS | |
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