| PartNumber | STM32L051R8H6 | STM32L051R8H6TR | STM32L051R8H7 |
| Description | ARM Microcontrollers - MCU 16/32-BITS MICROS | ARM Microcontrollers - MCU Access line ultra-low-power 32-bit MCU Arm -based Cortex -M0+, up to 64 KB Flash, 8 KB SRAM, 2 KB EEPROM, ADC | ARM Microcontrollers - MCU 16/32-BITS MICROS |
| Manufacturer | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Product Category | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU |
| Series | STM32L051R8 | STM32L051R8 | STM32L051R8 |
| Brand | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Processor Series | ARM Cortex M | - | - |
| Product Type | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU |
| Factory Pack Quantity | 3840 | 2500 | 3840 |
| Subcategory | Microcontrollers - MCU | Microcontrollers - MCU | Microcontrollers - MCU |
| Unit Weight | 0.186881 oz | - | 0.091712 oz |
| Mounting Style | - | SMD/SMT | - |
| Package / Case | - | TFBGA-64 | - |
| Core | - | ARM Cortex M0 | - |
| Data Bus Width | - | 32 bit | - |
| Maximum Clock Frequency | - | 32 MHz | - |
| Program Memory Size | - | 64 kB | - |
| Data RAM Size | - | 8 kB | - |
| ADC Resolution | - | 12 bit | - |
| Number of I/Os | - | 51 I/O | - |
| Operating Supply Voltage | - | 1.65 V to 3.6 V | - |
| Minimum Operating Temperature | - | - 40 C | - |
| Maximum Operating Temperature | - | + 85 C | - |
| Product | - | MCU | - |
| Program Memory Type | - | Flash | - |
| Data RAM Type | - | SRAM | - |
| Data ROM Size | - | 2 kB | - |
| Data ROM Type | - | EEPROM | - |
| Interface Type | - | I2C, SPI, UART, USART | - |
| Analog Supply Voltage | - | 1.65 V to 3.6 V | - |
| Number of ADC Channels | - | 17 Channel | - |
| Number of Timers/Counters | - | 5 x 16 bit | - |
| Supply Voltage Max | - | 3.6 V | - |
| Supply Voltage Min | - | 1.65 V | - |
| Tradename | - | ARM | - |
| Watchdog Timers | - | Watchdog Timer, Windowed | - |