| PartNumber | STM32L031K6T6 | STM32L031K6T7 | STM32L031K6T6TR |
| Description | ARM Microcontrollers - MCU 16/32-BITS MICROS | ARM Microcontrollers - MCU 16/32-BITS MICROS | ARM Microcontrollers - MCU 16/32-BITS MICROS |
| Manufacturer | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Product Category | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU |
| RoHS | Y | Y | - |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Package / Case | LQFP-32 | LQFP-32 | LQFP-32 |
| Series | STM32L031K6 | STM32L031K6 | STM32L031K6 |
| Core | ARM Cortex M0+ | ARM Cortex M0+ | - |
| Data Bus Width | 32 bit | 32 bit | - |
| Maximum Clock Frequency | 32 MHz | 32 MHz | - |
| Program Memory Size | 32 kB | 32 kB | - |
| Data RAM Size | 8 kB | 8 kB | - |
| ADC Resolution | 12 bit | 12 bit | - |
| Number of I/Os | 38 I/O | 27 I/O | - |
| Operating Supply Voltage | 1.65 V to 3.6 V | 1.8 V to 3.6 V | - |
| Minimum Operating Temperature | - 40 C | - 40 C | - |
| Maximum Operating Temperature | + 85 C | + 105 C | - |
| Product | MCU | MCU | - |
| Program Memory Type | Flash | Flash | - |
| Brand | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Data RAM Type | SRAM | RAM | - |
| Data ROM Size | 1 kB | 1 kB | - |
| Data ROM Type | EEPROM | EEPROM | - |
| Interface Type | I2C , SPI , UART | I2C, LPUART, SPI, UART | - |
| Analog Supply Voltage | 1.65 V to 3.6 V | 1.65 V to 3.6 V | - |
| Moisture Sensitive | Yes | Yes | Yes |
| Number of ADC Channels | 10 Channels | 10 Channel | - |
| Number of Timers/Counters | 8 x 16 bit | 1 x 16 bit, 2 x 16 bit | - |
| Processor Series | STM32L0 | STM32 | - |
| Product Type | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU |
| Factory Pack Quantity | 1500 | 1500 | 2400 |
| Subcategory | Microcontrollers - MCU | Microcontrollers - MCU | Microcontrollers - MCU |
| Supply Voltage Max | 3.6 V | 3.6 V | - |
| Supply Voltage Min | 1.65 V | 1.8 V | - |
| Tradename | STM32 | STM32 | STM32 |
| Watchdog Timers | Watchdog Timer | Watchdog Timer | - |
| I/O Voltage | - | 5 V | - |
| Unit Weight | - | 0.027302 oz | - |