| PartNumber | STM8L101K3T3 | STM8L101K3T6 | STM8L101K3T3TR |
| Description | 8-bit Microcontrollers - MCU Ultra LP ARM 8-Bit 1.65V to 3.6V 1.5kb | 8-bit Microcontrollers - MCU 8-Bit MCU 8Kb Flash Supply 1.65V to 3.6V | 8-bit Microcontrollers - MCU Ultra-low-power 8-bit MCU with 8 Kbytes Flash, 16 MHz CPU, up to 2-Kbyte of EEPROM |
| Manufacturer | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Product Category | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU |
| RoHS | Y | Y | - |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Package / Case | LQFP-32 | LQFP-32 | LQFP-32 |
| Series | STM8L101K3 | STM8L101K3 | STM8L101K3 |
| 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 | 8 kB | 8 kB | 8 kB |
| Data RAM Size | 1.5 kB | 1.5 kB | 1.5 kB |
| ADC Resolution | No ADC | No ADC | - |
| Number of I/Os | 30 I/O | 30 I/O | 30 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 | - | MCU |
| Program Memory Type | Flash | Flash | Flash |
| Brand | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Data RAM Type | RAM | - | SRAM |
| Data ROM Size | 2 kB | - | 2 kB |
| Data ROM Type | EEPROM | - | EEPROM |
| Interface Type | I2C, SPI, USART | I2C, SPI, USART | I2C, IR, SPI, USART |
| Moisture Sensitive | Yes | Yes | - |
| Number of Timers/Counters | 2 x 16 bit, 1 x 8 bit | 3 Timer | 2 x 16 bit, 1 x 8 bit |
| Processor Series | STM8L | STM8L10x | STM8L |
| Product Type | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU |
| Factory Pack Quantity | 1500 | 1500 | 2400 |
| Subcategory | Microcontrollers - MCU | Microcontrollers - MCU | Microcontrollers - MCU |
| Supply Voltage Max | 3.6 V | 3.6 V | 3.6 V |
| Supply Voltage Min | 1.65 V | 1.65 V | 1.65 V |
| Watchdog Timers | Watchdog Timer | - | Watchdog Timer |
| Height | - | 1.4 mm | - |
| Length | - | 7 mm | - |
| Width | - | 7 mm | - |
| Unit Weight | - | 0.027302 oz | - |
| Development Kit | - | - | STM8L101-EVAL, STMT/8L-EV1 |