| PartNumber | STM32F051R6T6 | STM32F051R4T6 | STM32F051R4T6TR |
| Description | ARM Microcontrollers - MCU Entry-Level ARM M0 32kB 2.0V to 3.6V | ARM Microcontrollers - MCU Entry-Level ARM M0 16kB 2.0V to 3.6V | ARM Microcontrollers - MCU ARM Cortex M0 16kB 48 MHz CPU 8kB Flash |
| 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 | LQFP-64 | LQFP-64 | LQFP-64 |
| Series | STM32F051R6 | STM32F051R4 | STM32F051R4 |
| 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 | 32 kB | 16 kB | 16 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 | + 85 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 | ARM Cortex M | ARM Cortex M |
| Product Type | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU |
| Factory Pack Quantity | 960 | 960 | 1000 |
| Subcategory | Microcontrollers - MCU | Microcontrollers - MCU | Microcontrollers - MCU |
| Tradename | STM32 | STM32 | STM32 |
| Unit Weight | 0.012088 oz | 0.012088 oz | 0.012088 oz |
| Packaging | - | - | Reel |