| PartNumber | STM32F051K8U6 | STM32F051K8U7 | STM32F051K8U6TR |
| Description | ARM Microcontrollers - MCU 32-Bit ARM Cortex M0 64 Kbytes 2.0 - 3.6V | ARM Microcontrollers - MCU Entry-level ARM Cortex-M0 64 Kbytes | ARM Microcontrollers - MCU ARM Cortex-M0 MCU 64Kb Flash 48MHz |
| Manufacturer | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Product Category | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU |
| RoHS | Y | Y | Y |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Package / Case | UFQFPN-32 | UFQFPN-32 | UFQFPN-32 |
| Series | STM32F051K8 | STM32F051K8 | STM32F051K8 |
| Core | ARM Cortex M0 | ARM Cortex M0 | ARM Cortex M0 |
| Data Bus Width | 32 bit | 32 bit | 32 bit |
| Maximum Clock Frequency | 48 MHz | 48 MHz | 48 MHz |
| Program Memory Size | 64 kB | 64 kB | 64 kB |
| Data RAM Size | 8 kB | 8 kB | 8 kB |
| Operating Supply Voltage | 2 V to 3.6 V | 2 V to 3.6 V | 2 V to 3.6 V |
| Minimum Operating Temperature | - 40 C | - 40 C | - 40 C |
| Maximum Operating Temperature | + 85 C | + 105 C | + 85 C |
| Program Memory Type | Flash | Flash | Flash |
| Brand | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Data RAM Type | SRAM | SRAM | SRAM |
| Moisture Sensitive | Yes | Yes | Yes |
| Processor Series | ARM Cortex M | STM32F0 | ARM Cortex M |
| Product Type | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU |
| Factory Pack Quantity | 2940 | 2940 | 3000 |
| Subcategory | Microcontrollers - MCU | Microcontrollers - MCU | Microcontrollers - MCU |
| Tradename | STM32 | STM32 | STM32 |
| Unit Weight | 0.002258 oz | 0.035098 oz | - |
| ADC Resolution | - | 12 bit | 12 bit |
| Number of I/Os | - | 27 I/O | 27 I/O |
| Product | - | MCU | - |
| Interface Type | - | I2C, SPI, USART | CEC, I2C, SPI, USART |
| Analog Supply Voltage | - | 2 V to 3.6 V | - |
| DAC Resolution | - | 12 bit | - |
| I/O Voltage | - | 2 V to 3.6 V | - |
| Number of ADC Channels | - | 13 Channel | 1 |
| Number of Timers/Counters | - | 7 x 16 bit, 1 x 32 bit | 8 Timer |
| Supply Voltage Max | - | 3.6 V | - |
| Supply Voltage Min | - | 2 V | - |
| Watchdog Timers | - | Watchdog Timer, Windowed | - |
| Packaging | - | - | Reel |