| Part Number | STM32F103C4T6A | STM32F101C4T6A | 
|---|---|---|
| Manufacturer | STMicroelectronics | STMicroelectronics | 
| Category | Embedded - Microcontrollers | Embedded - Microcontrollers | 
|   |   | |
| Product Status | Active | Active | 
| Core Processor | ARM® Cortex®-M3 | ARM® Cortex®-M3 | 
| Core Size | 32-Bit Single-Core | 32-Bit Single-Core | 
| Speed | 72MHz | 36MHz | 
| Connectivity | CANbus, I²C, IrDA, LINbus, SPI, UART/USART, USB | I²C, IrDA, LINbus, SPI, UART/USART | 
| Peripherals | DMA, Motor Control PWM, PDR, POR, PVD, PWM, Temp Sensor, WDT | DMA, PDR, POR, PVD, PWM, Temp Sensor, WDT | 
| Number of I/O | 26 | 37 | 
| Program Memory Size | 16KB (16K x 8) | 16KB (16K x 8) | 
| Program Memory Type | Flash | Flash | 
| EEPROM Size | - | - | 
| RAM Size | 6K x 8 | 4K x 8 | 
| Voltage - Supply (Vcc/Vdd) | 2V ~ 3.6V | 2V ~ 3.6V | 
| Data Converters | A/D 10x12b | A/D 10x12b | 
| Oscillator Type | Internal | Internal | 
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | 
| Mounting Type | Surface Mount | Surface Mount | 
| Package / Case | 48-LQFP | 48-LQFP | 
| Supplier Device Package | - | 48-LQFP (7x7) |