 |  |  | |
| PartNumber | EFM8BB31F64I-B-QFN32 | EFM8BB31F64I-B-QFN24 | EFM8BB31F64I-B-QFN24R |
| Description | 8-bit Microcontrollers - MCU 8051 50 MHz 64 kB flash 4.25 kB RAM 8-bit Busy Bee MCU | 8-bit Microcontrollers - MCU 8051 50 MHz 64 kB flash 4.25 kB RAM 8-bit Busy Bee MCU | IC MCU 8BIT 64KB FLASH 24QFN |
| Manufacturer | Silicon Laboratories | Silicon Laboratories | - |
| Product Category | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU | - |
| RoHS | Y | Y | - |
| Mounting Style | SMD/SMT | SMD/SMT | - |
| Package / Case | QFN-32 | QFN-24 | - |
| Series | EFM8BB3 | EFM8BB3 | - |
| Core | CIP-51 8051 | CIP-51 8051 | - |
| Data Bus Width | 8 bit | 8 bit | - |
| Maximum Clock Frequency | 50 MHz | 50 MHz | - |
| Program Memory Size | 64 kB | 64 kB | - |
| Data RAM Size | 4.25 kB | 4.25 kB | - |
| ADC Resolution | 10 bit, 12 bit | 10 bit, 12 bit | - |
| Number of I/Os | 29 I/O | 20 I/O | - |
| Operating Supply Voltage | 2.2 V to 3.6 V | 2.2 V to 3.6 V | - |
| Minimum Operating Temperature | - 40 C | - 40 C | - |
| Maximum Operating Temperature | + 125 C | + 125 C | - |
| Product | MCU | MCU | - |
| Program Memory Type | Flash | Flash | - |
| Brand | Silicon Labs | Silicon Labs | - |
| Data RAM Type | RAM | RAM | - |
| Interface Type | I2C, SMBus, SPI, UART | I2C, SMBus, SPI, UART | - |
| Analog Supply Voltage | 4 V | 4 V | - |
| DAC Resolution | 12 bit | 12 bit | - |
| I/O Voltage | 2.2 V to 3.6 V | 2.2 V to 3.6 V | - |
| Moisture Sensitive | Yes | Yes | - |
| Number of ADC Channels | 20 Channel | 12 Channel | - |
| Number of Timers/Counters | 6 Timer | 6 Timer | - |
| Product Type | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU | - |
| Factory Pack Quantity | 490 | 120 | - |
| Subcategory | Microcontrollers - MCU | Microcontrollers - MCU | - |
| Supply Voltage Max | 3.6 V | 3.6 V | - |
| Supply Voltage Min | 2.2 V | 2.2 V | - |
| Tradename | Busy Bee | Busy Bee | - |
| Watchdog Timers | Watchdog Timer | Watchdog Timer | - |
| Unit Weight | 0.002449 oz | 0.001764 oz | - |
| Fabricante | Parte # | Descripción | RFQ |
|---|---|---|---|
| EFM8BB31F64I-B-QFN32 | 8-bit Microcontrollers - MCU 8051 50 MHz 64 kB flash 4.25 kB RAM 8-bit Busy Bee MCU | ||
| EFM8BB31F64I-B-QFP32 | 8-bit Microcontrollers - MCU 8051 50 MHz 64 kB flash 4.25 kB RAM 8-bit Busy Bee MCU | ||
| EFM8BB31F64I-B-QFN24 | 8-bit Microcontrollers - MCU 8051 50 MHz 64 kB flash 4.25 kB RAM 8-bit Busy Bee MCU | ||
Silicon Labs |
EFM8BB31F64I-B-QFP32R | 8-bit Microcontrollers - MCU 8051 50 MHz 64 kB flash 4.25 kB RAM 8-bit Busy Bee MCU | |
| EFM8BB31F64I-B-QFN24R | IC MCU 8BIT 64KB FLASH 24QFN | ||
| EFM8BB31F64I-B-QFP32R | IC MCU 8BIT 64KB FLASH 32QFP | ||
| EFM8BB31F64I-B-QFN32R | MCU 8-bit 8051 CISC 64KB Flash 3.3V Automotive 32-Pin QFN EP T/R | ||
| EFM8BB31F64I-B-QFP32 | Microcontrollers - MCU 8-bit Microcontrollers - MCU 64kB flash, 4.25kB 12b ADC, 4x DACs | ||
| EFM8BB31F64I-B-QFN32 | Microcontrollers - MCU 8-bit Microcontrollers - MCU 64kB flash, 4.25kB 12b ADC, 4x DACs | ||
| EFM8BB31F64I-B-QFN24 | Microcontrollers - MCU 8-bit Microcontrollers - MCU 64kB flash, 4.25kB 12b ADC, 4x DACs |