STM32F103C8T6
Microcontrollers
Technical Specifications
| Type | Description |
|---|---|
| Core Processor | ARM Cortex-M3 |
| Core Bits | 32 |
| Maximum Clock Speed | 72 MHz |
| Flash Memory | 64 KB |
| Number of I/O | 37 |
| Flash Type | FLASH |
| Adc Bits | 12.0 |
| Oscillator Type | Built-in |
| Eeprom Bytes | - |
| Type | Description |
|---|---|
| Operating Temp | -40°C ~ +85°C |
| Working Voltage V | 2.8 V |
| Package / Case | LQFP-48 |
| SRAM | 20 |
| 12-bit ADCs | 2 (10 channels each) |
| Timers | 3x general-purpose 16-bit + 1x advanced-control PWM |
| Communication interfaces | 2x SPI, 2x I2C, 3x USART, 1x USB, 1x CAN |
| Operating temperature | -40 to +85 (commercial) / -40 to +105 (extended) |
Product Introduction
Medium-density performance line Arm®-based 32-bit MCU with 64 or 128 KB Flash, USB, CAN, 7 timers, 2 ADCs and 9 communication interfaces.
Features
- 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
Applications
- Motor drives and application control
- Medical and handheld equipment
- PC and gaming peripherals
- GPS platforms
- Industrial applications, PLCs, inverters
- Printers, scanners, alarm systems, video intercoms, HVACs
Datasheet
Alternative Parts
Common STM32F103C8T6 alternatives overseas buyers search for:
- STM32F103C8T6TR (request quote)
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- STM32F103C8T7TR (request quote)
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Compliance & Export Codes
| Type | Details |
|---|---|
| RoHS | ROHS3 |
| ECCN | 3A991A2 |
| Type | Details |
|---|---|
| CNHTS | 8542319090 |
Frequently Asked Questions
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.
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.
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.
Sourcing Information
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