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ST STM32F103C8T6
| Manufacturer | |
| MPN | STM32F103C8T6 |
| LCSC Part # | C8734 |
| Packaging | LQFP-48(7x7) |
| Customer # | |
| Key Attributes | Medium-density performance line Arm-based 32-bit MCU with 64 or 128 KB Flash, USB, CAN, 7 timers, 2 ADCs, 9 com. interfaces |
| Datasheet |  ST STM32F103C8T6 |
Products Specifications
All
| Type | Description | |
|---|---|---|
| Category | Integrated Circuits (ICs)/Embedded/Microcontrollers | |
| Manufacturer | ST | |
| Packaging | LQFP-48(7x7) | |
| ADC (Bit) | 12bit | |
| Operating Temperature | -40℃~+85℃ | |
| Voltage - Supply | 2V~3.6V | |
| Program Memory Type | FLASH | |
| EEPROM | - | |
| Program Storage Size | 64KB | |
| CPU Core | ARM Cortex-M3 | |
| Core Size | 32 Bit | |
| CPU Maximum Speed | 72MHz | |
| Oscillator Type | Built-in | |
| Number of I/O | 37 |
| Type | Description | |
|---|---|---|
| Category | Integrated Circuits (ICs)/Embedded/Microcontrollers | |
| Manufacturer | ST | |
| Packaging | LQFP-48(7x7) | |
| ADC (Bit) | 12bit | |
| Operating Temperature | -40℃~+85℃ | |
| Voltage - Supply | 2V~3.6V | |
| Program Memory Type | FLASH |
| Type | Description | |
|---|---|---|
| EEPROM | - | |
| Program Storage Size | 64KB | |
| CPU Core | ARM Cortex-M3 | |
| Core Size | 32 Bit | |
| CPU Maximum Speed | 72MHz | |
| Oscillator Type | Built-in | |
| Number of I/O | 37 |
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Features
AI Translation
- 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, I²Cs 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
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| Qty | Unit Price(Reference Only) | Total Amount |
|---|---|---|
| 1+ | $ 2.0073 | $ 2.01 |
| 10+ | $ 1.7519 | $ 17.52 |
| 30+ | $ 1.573 | $ 47.19 |
| 250+ | $ 1.4087 | $ 352.18 |
| 500+ | $ 1.3323 | $ 666.15 |
| 1,000+ | $ 1.3013 | $ 1301.30 |
Standard Packaging250/Full Tray | ||
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Products Specifications
All
| Type | Description | |
|---|---|---|
| Category | Integrated Circuits (ICs)/Embedded/Microcontrollers | |
| Manufacturer | ST | |
| Packaging | LQFP-48(7x7) | |
| ADC (Bit) | 12bit | |
| Operating Temperature | -40℃~+85℃ | |
| Voltage - Supply | 2V~3.6V | |
| Program Memory Type | FLASH | |
| EEPROM | - | |
| Program Storage Size | 64KB | |
| CPU Core | ARM Cortex-M3 | |
| Core Size | 32 Bit | |
| CPU Maximum Speed | 72MHz | |
| Oscillator Type | Built-in | |
| Number of I/O | 37 |
| Type | Description | |
|---|---|---|
| Category | Integrated Circuits (ICs)/Embedded/Microcontrollers | |
| Manufacturer | ST | |
| Packaging | LQFP-48(7x7) | |
| ADC (Bit) | 12bit | |
| Operating Temperature | -40℃~+85℃ | |
| Voltage - Supply | 2V~3.6V | |
| Program Memory Type | FLASH |
| Type | Description | |
|---|---|---|
| EEPROM | - | |
| Program Storage Size | 64KB | |
| CPU Core | ARM Cortex-M3 | |
| Core Size | 32 Bit | |
| CPU Maximum Speed | 72MHz | |
| Oscillator Type | Built-in | |
| Number of I/O | 37 |
Report an ErrorShow similar products (0) >
Features
AI Translation
- 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, I²Cs 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
C8734 EasyEDA Library
Compliance & Export Codes
| Type | Details |
|---|---|
| RoHS | |
| ECCN | 3A991A2 |
| CNHTS | 8542319090 |
| USHTS | |
| TARIC | |
| CAHTS | |
| BRHTS | |
| INHTS | |
| MXHTS |
| Type | Details |
|---|---|
| RoHS | |
| ECCN | 3A991A2 |
| CNHTS | 8542319090 |
| USHTS | |
| TARIC |
| Type | Details |
|---|---|
| CAHTS | |
| BRHTS | |
| INHTS | |
| MXHTS | |
Product FAQ
- 1. Is This MCU Compatible With standard 5V Logic Levels?Yes, the STM32F103C8T6 features up to 80 fast I/O ports (with 37 I/Os routed on this specific LQFP-48 package), and almost all of them are 5V-tolerant, making it highly compatible with 5V digital components.
- 2. What Are the Recommended Replacements if I Need More Flash Memory?If your application outgrows the 64KB program storage of this specific chip, you can upgrade within the same medium-density performance line, which seamlessly scales up to 128KB of Flash memory while maintaining hardware architecture consistency.
- 3. In Which Application Scenarios Is This Microcontroller Best Utilized?Thanks to its advanced 7-channel DMA controller, specialized motor control PWM timer with dead-time generation, and multiple communication interfaces (USB, CAN, SPI, I2C, USART), it is ideal for motor control, medical equipment, PC peripherals, and industrial applications.
- 4. What Are the Core Technical Specifications Regarding Clock Speed and Voltage?The STM32F103C8T6 is driven by an ARM Cortex-M3 32-bit CPU core operating at a maximum frequency of 72MHz. It functions within a wide supply voltage range of 2V to 3.6V and handles operating temperatures from -40°C to +85°C.
- 5. How Do I Handle the Debugging and Programming Implementation for This Chip?System implementation and software flashing are highly straightforward, as the MCU fully integrates built-in Serial Wire Debug (SWD) and JTAG interfaces for real-time debugging and testing.