Specifications
| Part Number | STM8S903F3M3 |
| Manufacturer | STMicroelectronics |
| Description | IC MCU 8BIT 8KB FLASH 20SO |
| Voltage – Supply (Vcc/Vdd) | 2.95 V ~ 5.5 V |
| Speed | 16MHz |
| Series | STM8S |
| RAM Size | 1K x 8 |
| Program Memory Type | FLASH |
| Program Memory Size | 8KB (8K x 8) |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT |
| Packaging | Tube |
| Oscillator Type | Internal |
| Operating Temperature | -40°C ~ 125°C (TA) |
| Number of I/O | 16 |
| EEPROM Size | 640 x 8 |
| Data Converters | A/D 5x10b |
| Core Size | 8-Bit |
| Core Processor | STM8 |
| Connectivity | CAN, I²C, IrDA, LIN, SPI, UART/USART |
