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| PartNumber | STM32L051R8H6 | STM32L051R6H6 | STM32L051R6T6 |
| 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 |
| Series | STM32L051R8 | STM32L051R6 | STM32L051R6 |
| Brand | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Processor Series | ARM Cortex M | ARM Cortex M | STM32L0 |
| Product Type | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU |
| Factory Pack Quantity | 3840 | 3840 | 960 |
| Subcategory | Microcontrollers - MCU | Microcontrollers - MCU | Microcontrollers - MCU |
| Unit Weight | 0.186881 oz | 0.091712 oz | 0.091712 oz |
| Moisture Sensitive | - | Yes | Yes |
| RoHS | - | - | Y |
| Mounting Style | - | - | SMD/SMT |
| Package / Case | - | - | LQFP-64 |
| Core | - | - | ARM Cortex M0+ |
| Data Bus Width | - | - | 32 bit |
| Maximum Clock Frequency | - | - | 32 MHz |
| Program Memory Size | - | - | 32 kB |
| Data RAM Size | - | - | 8 kB |
| ADC Resolution | - | - | 12 bit |
| Number of I/Os | - | - | 51 I/O |
| Operating Supply Voltage | - | - | 1.8 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/I2S, USART |
| Analog Supply Voltage | - | - | 1.65 V to 3.6 V |
| I/O Voltage | - | - | 1.65 V to 3.6 V |
| Number of ADC Channels | - | - | 16 Channel |
| Number of Timers/Counters | - | - | 5 x 16 bit |
| Supply Voltage Max | - | - | 3.6 V |
| Supply Voltage Min | - | - | 1.8 V |
| Watchdog Timers | - | - | Watchdog Timer, Windowed |