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| PartNumber | EFM8UB10F16G-C-QFN28 | EFM8UB10F16G-C-QFN20 | EFM8UB10F16G-C-QFN20R |
| Description | 8-bit Microcontrollers - MCU 8051 25 MHz 16 kB flash 2 kB RAM 8-bit Universal Bee MCU | 8-bit Microcontrollers - MCU 8051 25 MHz 16 kB flash 2 kB RAM 8-bit Universal Bee MCU | 8-bit Microcontrollers - MCU 8051 25 MHz 16 kB flash 2 kB RAM 8-bit Universal Bee MCU |
| Manufacturer | Silicon Laboratories | Silicon Laboratories | Silicon Laboratories |
| Product Category | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU |
| RoHS | Y | Y | Y |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Package / Case | QFN-28 | QFN-20 | QFN-20 |
| Series | EFM8UB | EFM8UB | EFM8UB |
| Core | CIP-51 8051 | CIP-51 8051 | CIP-51 8051 |
| Data Bus Width | 8 bit | 8 bit | 8 bit |
| Maximum Clock Frequency | 50 MHz | 50 MHz | 50 MHz |
| Program Memory Size | 16 kB | 16 kB | 16 kB |
| Data RAM Size | 2.25 kB | 2.25 kB | 2.25 kB |
| ADC Resolution | 12 bit | 12 bit | 12 bit |
| Number of I/Os | 22 I/O | 13 I/O | 13 I/O |
| Operating Supply Voltage | 2.2 V to 3.6 V | 2.2 V to 3.6 V | 2.2 V to 3.6 V |
| Minimum Operating Temperature | - 40 C | - 40 C | - 40 C |
| Maximum Operating Temperature | + 85 C | + 85 C | + 85 C |
| Product | MCU | MCU | MCU |
| Program Memory Type | Flash | Flash | Flash |
| Brand | Silicon Labs | Silicon Labs | Silicon Labs |
| Data RAM Type | RAM | RAM | RAM |
| Interface Type | I2C, SMBus, SPI, UART, USB | I2C, SMBus, SPI, UART, USB | I2C, SMBus, SPI, UART, USB |
| Analog Supply Voltage | 2.2 V to 3.6 V | 2.2 V to 3.6 V | 2.2 V to 3.6 V |
| DAC Resolution | 6 bit | 6 bit | 6 bit |
| I/O Voltage | 3.6 V | 3.6 V | 3.6 V |
| Moisture Sensitive | Yes | Yes | Yes |
| Number of ADC Channels | 20 Channel | 11 Channel | 11 Channel |
| Number of Timers/Counters | 5 Timer | 5 Timer | 5 Timer |
| Product Type | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU |
| Factory Pack Quantity | 73 | 120 | 1500 |
| Subcategory | Microcontrollers - MCU | Microcontrollers - MCU | Microcontrollers - MCU |
| Supply Voltage Max | 3.6 V | 3.6 V | 3.6 V |
| Supply Voltage Min | 2.2 V | 2.2 V | 2.2 V |
| Tradename | EFM8 | EFM8 | EFM8 |
| Watchdog Timers | Watchdog Timer | Watchdog Timer | Watchdog Timer |
| Unit Weight | 0.007055 oz | - | - |
| Packaging | - | - | Reel |