| PartNumber | STM8S103K3T6CTR | STM8S103K3T6C |
| Description | 8-bit Microcontrollers - MCU Access line MCU 8Kbyt 16 MHz | 8-bit Microcontrollers - MCU Access Line 16 MHz 8-bit MCU 32 Kbyt |
| Manufacturer | STMicroelectronics | STMicroelectronics |
| Product Category | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU |
| RoHS | Y | Y |
| Mounting Style | SMD/SMT | SMD/SMT |
| Package / Case | LQFP-32 | LQFP-32 |
| Series | STM8S103K3 | STM8S103K3 |
| Core | STM8 | STM8 |
| Data Bus Width | 8 bit | 8 bit |
| Maximum Clock Frequency | 16 MHz | 16 MHz |
| Program Memory Size | 8 kB | 8 kB |
| Data RAM Size | 1 kB | 1 kB |
| ADC Resolution | 10 bit | 10 bit |
| Number of I/Os | 28 I/O | 28 I/O |
| Operating Supply Voltage | 5.5 V | 3.3 V, 5 V |
| Minimum Operating Temperature | - 40 C | - 40 C |
| Maximum Operating Temperature | + 85 C | + 85 C |
| Packaging | Reel | - |
| Program Memory Type | Flash | Flash |
| Brand | STMicroelectronics | STMicroelectronics |
| Data ROM Size | 640 B | - |
| Data ROM Type | EEPROM | - |
| Interface Type | I2C, SPI, UART | I2C, SPI, USART |
| Moisture Sensitive | Yes | Yes |
| Number of ADC Channels | 4 | 4 |
| Number of Timers/Counters | 3 Timer | 7 Timer |
| Processor Series | STM8S103 | STM8 |
| Product Type | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU |
| Factory Pack Quantity | 2400 | 1500 |
| Subcategory | Microcontrollers - MCU | Microcontrollers - MCU |
| Supply Voltage Max | 5.5 V | 5.5 V |
| Supply Voltage Min | 2.95 V | 2.95 V |
| Unit Weight | 0.027302 oz | 0.027302 oz |
| Height | - | 1.4 mm |
| Length | - | 7 mm |
| Width | - | 7 mm |