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| PartNumber | EFM8UB31F40G-A-QSOP24 | EFM8UB31F40G-A-QFN24R | EFM8UB31F40G-A-QSOP24R |
| Description | 8-bit Microcontrollers - MCU 8051 48 MHz 40 kB flash 3 kB RAM 8-bit Universal Bee MCU | 8-bit Microcontrollers - MCU 8051 48 MHz 40 kB flash 3 kB RAM 8-bit Universal Bee MCU | 8-bit Microcontrollers - MCU 8051 48 MHz 40 kB flash 3 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 | QSOP-24 | QFN-24 | QSOP-24 |
| Series | EFM8UB3 | EFM8UB3 | EFM8UB3 |
| Core | CIP-51 8051 | CIP-51 8051 | CIP-51 8051 |
| Data Bus Width | 8 bit | 8 bit | 8 bit |
| Maximum Clock Frequency | 48 MHz | 48 MHz | 48 MHz |
| Program Memory Size | 40 kB | 40 kB | 40 kB |
| Data RAM Size | 3.25 kB | 3328 B | 3328 B |
| ADC Resolution | 12 bit | 12 bit | 12 bit |
| Number of I/Os | 17 I/O | 17 I/O | 17 I/O |
| Operating Supply Voltage | 2.3 V to 3.6 V | 2.3 V to 3.6 V | 2.3 V to 3.6 V |
| Minimum Operating Temperature | - 40 C | - 40 C | - 40 C |
| Maximum Operating Temperature | + 85 C | + 85 C | + 85 C |
| Product | USB MCU | MCU | MCU |
| Program Memory Type | Flash | Flash | Flash |
| Brand | Silicon Labs | Silicon Labs | Silicon Labs |
| Data RAM Type | RAM | RAM | RAM |
| Interface Type | SMBus, SPI, UART, USB | SMBus, SPI, UART | SMBus, SPI, UART |
| Moisture Sensitive | Yes | Yes | Yes |
| Number of ADC Channels | 16 Channel | 16 Channel | 16 Channel |
| Number of Timers/Counters | 6 x 16 bit | 6 x 16 bit | 6 x 16 bit |
| Product Type | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU |
| Factory Pack Quantity | 56 | 1500 | 2500 |
| Subcategory | Microcontrollers - MCU | Microcontrollers - MCU | Microcontrollers - MCU |
| Supply Voltage Max | 3.6 V | 3.6 V | 3.6 V |
| Supply Voltage Min | 2.3 V | 2.3 V | 2.3 V |
| Tradename | Universal Bee | Universal Bee | Universal Bee |
| Watchdog Timers | Watchdog Timer | Watchdog Timer | Watchdog Timer |
| Packaging | - | Reel | Reel |
| I/O Voltage | - | 3.6 V | 3.6 V |
| Produttore | Parte # | Descrizione | RFQ |
|---|---|---|---|
Silicon Labs |
EFM8UB31F40G-A-QSOP24 | 8-bit Microcontrollers - MCU 8051 48 MHz 40 kB flash 3 kB RAM 8-bit Universal Bee MCU | |
| EFM8UB31F40G-A-QSOP24R | 8-bit Microcontrollers - MCU 8051 48 MHz 40 kB flash 3 kB RAM 8-bit Universal Bee MCU | ||
| EFM8UB31F40G-A-QFN24R | IC MCU 8BIT 40KB FLASH 24QFN | ||
| EFM8UB31F40G-A-QSOP24 | IC MCU 8BIT 40KB FLASH 24QSOP | ||
| EFM8UB31F40G-A-QSOP24R | IC MCU 8BIT 40KB FLASH 24QSOP |