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PartNumber | EFM8BB31F64I-B-5QFN32 | EFM8BB31F64I-B-4QFN24 | EFM8BB31F64I-B-QFN24 |
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 | 8-bit Microcontrollers - MCU 8051 50 MHz 64 kB flash 4.25 kB RAM 8-bit Busy 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-32 | QFN-24 | QFN-24 |
Series | EFM8BB3 | EFM8BB3 | EFM8BB3 |
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 | 64 kB | 64 kB | 64 kB |
Data RAM Size | 4.25 kB | 4.25 kB | 4.25 kB |
ADC Resolution | 10 bit, 12 bit | 10 bit, 12 bit | 10 bit, 12 bit |
Number of I/Os | 29 I/O | 20 I/O | 20 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 | + 125 C | + 125 C | + 125 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 | I2C, SMBus, SPI, UART | I2C, SMBus, SPI, UART |
DAC Resolution | 12 bit | 12 bit | 12 bit |
I/O Voltage | 2.2 V to 3.6 V | 2.2 V to 3.6 V | 2.2 V to 3.6 V |
Moisture Sensitive | Yes | Yes | Yes |
Number of ADC Channels | 20 Channel | 12 Channel | 12 Channel |
Number of Timers/Counters | 6 Timer | 6 Timer | 6 Timer |
Product Type | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU |
Factory Pack Quantity | 73 | 91 | 120 |
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 | Busy Bee | Busy Bee | Busy Bee |
Watchdog Timers | Watchdog Timer | Watchdog Timer | Watchdog Timer |
Analog Supply Voltage | - | - | 4 V |
Unit Weight | - | - | 0.001764 oz |