| PartNumber | STM8S105C4T3TR | STM8S105C4T6 | STM8S105C4T3 |
| Description | 8-bit Microcontrollers - MCU Mainstream Access line 8-bit MCU with 16 Kbytes Flash, 16 MHz CPU, integrated EEPROM | 8-bit Microcontrollers - MCU Access Line 16 MHz 8-bit MCU 32 Kbyt | 8-bit Microcontrollers - MCU Access line 16 MHz 8-bit MCU 32 Kbyt |
| Manufacturer | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Product Category | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Package / Case | LQFP-48 | LQFP-48 | LQFP-48 |
| Series | STM8S105C4 | STM8S105C4 | STM8S105C4 |
| Core | STM8 | STM8 | STM8 |
| Data Bus Width | 8 bit | 8 bit | 8 bit |
| Maximum Clock Frequency | 16 MHz | 16 MHz | - |
| Program Memory Size | 16 kB | 16 kB | 16 kB |
| Data RAM Size | 2 kB | 2 kB | 2 kB |
| ADC Resolution | 10 bit | 10 bit | - |
| Number of I/Os | 38 I/O | 38 I/O | 38 I/O |
| Operating Supply Voltage | 2.95 V to 5.5 V | 2.95 V to 5.5 V | 2.95 V to 5.5 V |
| Minimum Operating Temperature | - 40 C | - 40 C | - 40 C |
| Maximum Operating Temperature | + 125 C | + 85 C | + 125 C |
| Product | MCU | - | - |
| Program Memory Type | Flash | Flash | EEPROM/Flash |
| Brand | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Data RAM Type | RAM | RAM | RAM |
| Data ROM Size | 1024 B | 1024 B | - |
| Data ROM Type | EEPROM | EEPROM | - |
| Interface Type | I2C, SPI, UART | I2C, SPI, UART | I2C, IrDA, LIN, SPI, UART |
| Moisture Sensitive | Yes | Yes | Yes |
| Number of ADC Channels | 10 Channel | 10 | - |
| Product Type | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU |
| Factory Pack Quantity | 2400 | 1500 | 1500 |
| Subcategory | Microcontrollers - MCU | Microcontrollers - MCU | Microcontrollers - MCU |
| Supply Voltage Max | 5.5 V | 5.5 V | - |
| Supply Voltage Min | 2.95 V | 2.95 V | - |
| Watchdog Timers | Watchdog Timer, Windowed | - | - |
| RoHS | - | Y | Y |
| Height | - | 1.4 mm | - |
| Length | - | 7 mm | - |
| Width | - | 7 mm | - |
| Number of Timers/Counters | - | 9 Timer | 7 Timer |
| Processor Series | - | STM8S10x | STM8S10x |
| Unit Weight | - | 0.006409 oz | 0.006409 oz |