The STM8S103F3P6 from STMicroelectronics is a cost-efficient yet robust 8-bit microcontroller featuring an advanced STM8 core with 16 MHz clock speed, 8 kB Flash memory, 1 kB RAM, and 640 B EEPROM. It supports a rich set of interfaces I²C, SPI, UART alongside 5-channel 10-bit ADC, 7 timers, and a flexible voltage range of 2.95 V to 5.5 V, all housed in a compact TSSOP-20 SMD package rated for -40 °C to +85 °C ideal for industrial, appliance, and embedded applications.
| Parameter |
Value |
| Manufacturer |
STMicroelectronics |
| Product Category |
8-bit Microcontrollers – MCU |
| RoHS |
Yes |
| Core |
STM8 |
| Program Memory Size |
8 KB Flash |
| Program Memory Type |
Flash |
| Data ROM Size |
640 B EEPROM |
| Data ROM Type |
EEPROM |
| Data RAM Size |
1 KB RAM |
| Data RAM Type |
RAM |
| ADC Resolution |
10-bit (5 channels) |
| Number of I/Os |
16 |
| Supply Voltage (Min) |
2.95 V |
| Supply Voltage (Max) |
5.5 V |
| Mounting Style |
SMD/SMT (TSSOP-20) |
| Package / Case |
TSSOP-20 |
| Maximum Clock Frequency |
16 MHz |
| Minimum Operating Temp |
–40 °C |
| Maximum Operating Temp |
+85 °C |
| Series |
STM8S103F3 |
| Packaging |
Tube |
| Brand |
STMicroelectronics |
| Height |
~1 mm |
| Length |
~6.5 mm |
| Interface Type |
I²C, SPI, UART (IrDA, LIN) |
| Number of ADC Channels |
5 |
| Number of Timers/Counters |
7 (advanced, general-purpose, basic) |
| Processor Series |
STM8S |
| Product Type |
8-bit Microcontroller – MCU |
