| PartNumber | STM8L101F2P3TR | STM8L101F2P6 | STM8L101F2P3 |
| Description | 8-bit Microcontrollers - MCU Ultra-low-power 8-bit MCU with 4 Kbytes Flash, 16 MHz CPU, integrated EEPROM | 8-bit Microcontrollers - MCU 8-Bit UL PWR MCU 4Kbytes -40 to 85 | 8-bit Microcontrollers - MCU 8-bit Ultralow MCU 4kb TSSOP 20 pin |
| 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 | TSSOP-20 | TSSOP-20 | TSSOP-20 |
| Series | STM8L101F2 | STM8L101F2 | STM8L101F2 |
| Core | STM8 | STM8 | STM8 |
| Data Bus Width | 8 bit | 8 bit | 8 bit |
| Maximum Clock Frequency | 16 MHz | 16 MHz | 16 MHz |
| Program Memory Size | 4 kB | 4 kB | 4 kB |
| Data RAM Size | 1.5 kB | 1.5 kB | 1.5 kB |
| Number of I/Os | 30 I/O | 18 I/O | - |
| Operating Supply Voltage | 1.65 V to 3.6 V | 1.65 V to 3.6 V | 1.65 V to 3.6 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 | Flash |
| Brand | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Data RAM Type | SRAM | RAM | RAM |
| Data ROM Size | 2 kB | - | - |
| Data ROM Type | EEPROM | EEPROM | EEPROM |
| Interface Type | I2C, IR, SPI, USART | I2C, SPI, USART | - |
| Number of Timers/Counters | 2 x 16 bit, 1 x 8 bit | 3 Timer | - |
| Processor Series | STM8L | STM8L | STM8L |
| Product Type | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU |
| Factory Pack Quantity | 2500 | 1480 | 1480 |
| Subcategory | Microcontrollers - MCU | Microcontrollers - MCU | Microcontrollers - MCU |
| Supply Voltage Max | 3.6 V | - | - |
| Supply Voltage Min | 1.65 V | - | - |
| Watchdog Timers | Watchdog Timer | - | - |
| RoHS | - | Y | Y |
| ADC Resolution | - | No ADC | No ADC |
| Moisture Sensitive | - | Yes | - |
| Unit Weight | - | 0.006737 oz | 0.006737 oz |