EFM8™ Busy Bee 8-bit Microcontrollers (MCUs)
The Busy Bee family of EFM8 microcontrollers (MCUs) includes general purpose MCUs. These MCUs offer high-value by integrating advanced analog and communication peripherals into small packages, making them ideal for low-latency, BOM and space-constrained embedded applications.
Busy Bee Common Specs
- Pipelined 8-bit C8051 core
- 5 V tolerant I/O pins
- 12-bit Analog to Digital converter (ADC)
- Up to 4 x 12-bit Digital to Analog converter (DAC)
- Two analog comparators
- Integrated temperature sensor
- Enhanced PWM / PCA
- Up to 4 x configurable logic units
- 16-bit timers
- UART, SPI, SMBus/I²C and high speed I2C slave
- Priority crossbar for flexible pin mapping
Find the Right Busy Bee Device 47
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| Part Number | MCU Core | MHz | Flash | RAM | Dig I/O Pins | 5 Volt Tolerant | ADC 1 | USB | Temp Sensor | Timers (16-bit) | DAC | Comparators | UART | SPI | I2C | HS I2C Slave | I2S | EMIF | CAN | LIN | AES | AEC-Q100 | Vdd (min) | Vdd (max) | Package Type | Package Size (mm) | Internal Osc. | VREF | Debug Interface | Temperature Range (ºC) | Industrial | Automotive | PCA Channels |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 8051 | 25 | 8 | 0.5 | 16 | 12-bit, 15-ch. | 4 | — | 2 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 2.2 | 3.6 | QFN20 | 3x3 | ±2 | C2 | -40 85 | 3 | |||||||||
| 8051 | 25 | 2 | 0.25 | 16 | 12-bit, 15-ch. | 4 | — | 2 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 2.2 | 3.6 | QFN20 | 3x3 | ±2 | C2 | -40 125 | 3 | |||||||||
| 8051 | 25 | 2 | 0.25 | 16 | 12-bit, 15-ch. | 4 | — | 2 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 2.2 | 3.6 | QFN20 | 3x3 | ±2 | C2 | -40 85 | 3 | |||||||||
| 8051 | 25 | 2 | 0.25 | 16 | 12-bit, 15-ch. | 4 | — | 2 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 2.2 | 3.6 | QFN20 | 3x3 | ±2 | C2 | -40 125 | 3 | |||||||||
| 8051 | 25 | 4 | 0.5 | 16 | 12-bit, 15-ch. | 4 | — | 2 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 2.2 | 3.6 | QFN20 | 3x3 | ±2 | C2 | -40 125 | 3 | |||||||||
| 8051 | 25 | 4 | 0.5 | 16 | 12-bit, 15-ch. | 4 | — | 2 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 2.2 | 3.6 | QFN20 | 3x3 | ±2 | C2 | -40 85 | 3 | |||||||||
| 8051 | 25 | 4 | 0.5 | 16 | 12-bit, 15-ch. | 4 | — | 2 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 2.2 | 3.6 | QFN20 | 3x3 | ±2 | C2 | -40 125 | 3 | |||||||||
| 8051 | 25 | 8 | 0.5 | 16 | 12-bit, 15-ch. | 4 | — | 2 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 2.2 | 3.6 | QFN20 | 3x3 | ±2 | C2 | -40 125 | 3 | |||||||||
| 8051 | 25 | 8 | 0.5 | 13 | 12-bit, 12-ch. | 4 | — | 2 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 2.2 | 3.6 | SOIC16 | 9.9x3.9 | ±2 | C2 | -40 85 | 3 | |||||||||
| 8051 | 25 | 8 | 0.5 | 16 | 12-bit, 15-ch. | 4 | — | 2 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 2.2 | 3.6 | QFN20 | 3x3 | ±2 | C2 | -40 125 | 3 | |||||||||
| 8051 | 25 | 8 | 0.5 | 13 | 12-bit, 12-ch. | 4 | — | 2 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 2.2 | 3.6 | SOIC16 | 9.9x3.9 | ±2 | C2 | -40 125 | 3 | |||||||||
| 8051 | 50 | 16 | 2.25 | 16 | 12-bit, 15-ch. | 5 | — | 2 | 2 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 2.2 | 3.6 | QFN20 | 3x3 | ±1.5 | C2 | -40 125 | 3 | |||||||||
| 8051 | 50 | 16 | 2.25 | 16 | 12-bit, 15-ch. | 5 | — | 2 | 2 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 2.2 | 3.6 | QFN20 | 3x3 | ±1.5 | C2 | -40 85 | 3 | |||||||||
| 8051 | 50 | 16 | 2.25 | 16 | 12-bit, 15-ch. | 5 | — | 2 | 2 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 2.2 | 3.6 | QFN20 | 3x3 | ±1.5 | C2 | -40 125 | 3 | |||||||||
| 8051 | 50 | 16 | 2.25 | 22 | 12-bit, 20-ch. | 5 | — | 2 | 2 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 2.2 | 3.6 | QFN28 | 5x5 | ±1.5 | C2 | -40 125 | 3 | |||||||||
| 8051 | 50 | 16 | 2.25 | 22 | 12-bit, 20-ch. | 5 | — | 2 | 2 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 2.2 | 3.6 | QFN28 | 5x5 | ±1.5 | C2 | -40 85 | 3 | |||||||||
| 8051 | 50 | 16 | 2.25 | 22 | 12-bit, 20-ch. | 5 | — | 2 | 2 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 2.2 | 3.6 | QFN28 | 5x5 | ±1.5 | C2 | -40 125 | 3 | |||||||||
| 8051 | 50 | 16 | 2.25 | 20 | 12-bit, 12-ch. | 6 | 12-bit, 2-ch. | 2 | 2 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 2.2 | 3.6 | QFN24 | 4x4 | ±2 | C2 | -40 125 | 6 | |||||||||
| 8051 | 50 | 16 | 2.25 | 29 | 12-bit, 20-ch. | 6 | 12-bit, 2-ch. | 2 | 2 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 2.2 | 3.6 | QFN32 | 5x5 | ±2 | C2 | -40 125 | 6 | |||||||||
| 8051 | 50 | 16 | 2.25 | 20 | 12-bit, 12-ch. | 6 | 12-bit, 2-ch. | 2 | 2 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 2.2 | 3.6 | QFN24 | 3x3 | ±2 | C2 | -40 85 | 6 | |||||||||
| 8051 | 50 | 16 | 2.25 | 29 | 12-bit, 20-ch. | 6 | 12-bit, 2-ch. | 2 | 2 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 2.2 | 3.6 | QFN32 | 4x4 | ±2 | C2 | -40 85 | 6 | |||||||||
| 8051 | 50 | 16 | 2.25 | 28 | 12-bit, 20-ch. | 6 | 12-bit, 2-ch. | 2 | 2 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 2.2 | 3.6 | QFP32 | 7x7 | ±2 | C2 | -40 85 | 6 | |||||||||
| 8051 | 50 | 16 | 2.25 | 20 | 12-bit, 12-ch. | 6 | 12-bit, 2-ch. | 2 | 2 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 2.2 | 3.6 | QFN24 | 4x4 | ±2 | C2 | -40 125 | 6 | |||||||||
| 8051 | 50 | 16 | 2.25 | 29 | 12-bit, 20-ch. | 6 | 12-bit, 2-ch. | 2 | 2 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 2.2 | 3.6 | QFN32 | 5x5 | ±2 | C2 | -40 125 | 6 | |||||||||
| 8051 | 50 | 16 | 2.25 | 20 | 12-bit, 12-ch. | 6 | 12-bit, 2-ch. | 2 | 2 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 2.2 | 3.6 | QFN24 | 3x3 | ±2 | C2 | -40 125 | 6 | |||||||||
| 8051 | 50 | 16 | 2.25 | 29 | 12-bit, 20-ch. | 6 | 12-bit, 2-ch. | 2 | 2 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 2.2 | 3.6 | QFN32 | 4x4 | ±2 | C2 | -40 125 | 6 | |||||||||
| 8051 | 50 | 16 | 2.25 | 28 | 12-bit, 20-ch. | 6 | 12-bit, 2-ch. | 2 | 2 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 2.2 | 3.6 | QFP32 | 7x7 | ±2 | C2 | -40 125 | 6 | |||||||||
| 8051 | 50 | 32 | 2.25 | 20 | 12-bit, 12-ch. | 6 | 12-bit, 2-ch. | 2 | 2 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 2.2 | 3.6 | QFN24 | 4x4 | ±2 | C2 | -40 125 | 6 | |||||||||
| 8051 | 50 | 32 | 2.25 | 29 | 12-bit, 20-ch. | 6 | 12-bit, 2-ch. | 2 | 2 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 2.2 | 3.6 | QFN32 | 5x5 | ±2 | C2 | -40 125 | 6 | |||||||||
| 8051 | 50 | 32 | 2.25 | 20 | 12-bit, 12-ch. | 6 | 12-bit, 2-ch. | 2 | 2 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 2.2 | 3.6 | QFN24 | 3x3 | ±2 | C2 | -40 85 | 6 | |||||||||
| 8051 | 50 | 32 | 2.25 | 29 | 12-bit, 20-ch. | 6 | 12-bit, 2-ch. | 2 | 2 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 2.2 | 3.6 | QFN32 | 4x4 | ±2 | C2 | -40 85 | 6 | |||||||||
| 8051 | 50 | 32 | 2.25 | 28 | 12-bit, 20-ch. | 6 | 12-bit, 2-ch. | 2 | 2 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 2.2 | 3.6 | QFP32 | 7x7 | ±2 | C2 | -40 85 | 6 | |||||||||
| 8051 | 50 | 32 | 2.25 | 20 | 12-bit, 12-ch. | 6 | 12-bit, 2-ch. | 2 | 2 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 2.2 | 3.6 | QFN24 | 4x4 | ±2 | C2 | -40 125 | 6 | |||||||||
| 8051 | 50 | 32 | 2.25 | 29 | 12-bit, 20-ch. | 6 | 12-bit, 2-ch. | 2 | 2 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 2.2 | 3.6 | QFN32 | 5x5 | ±2 | C2 | -40 125 | 6 | |||||||||
| 8051 | 50 | 32 | 2.25 | 20 | 12-bit, 12-ch. | 6 | 12-bit, 2-ch. | 2 | 2 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 2.2 | 3.6 | QFN24 | 3x3 | ±2 | C2 | -40 125 | 6 | |||||||||
| 8051 | 50 | 32 | 2.25 | 29 | 12-bit, 20-ch. | 6 | 12-bit, 2-ch. | 2 | 2 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 2.2 | 3.6 | QFN32 | 4x4 | ±2 | C2 | -40 125 | 6 | |||||||||
| 8051 | 50 | 32 | 2.25 | 28 | 12-bit, 20-ch. | 6 | 12-bit, 2-ch. | 2 | 2 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 2.2 | 3.6 | QFP32 | 7x7 | ±2 | C2 | -40 125 | 6 | |||||||||
| 8051 | 50 | 64 | 4.25 | 20 | 12-bit, 12-ch. | 6 | 12-bit, 4-ch. | 2 | 2 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 2.2 | 3.6 | QFN24 | 4x4 | ±2 | C2 | -40 125 | 6 | |||||||||
| 8051 | 50 | 64 | 4.25 | 29 | 12-bit, 20-ch. | 6 | 12-bit, 4-ch. | 2 | 2 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 2.2 | 3.6 | QFN32 | 5x5 | ±2 | C2 | -40 125 | 6 | |||||||||
| 8051 | 50 | 64 | 4.25 | 20 | 12-bit, 12-ch. | 6 | 12-bit, 4-ch. | 2 | 2 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 2.2 | 3.6 | QFN24 | 3x3 | ±2 | C2 | -40 85 | 6 | |||||||||
| 8051 | 50 | 64 | 4.25 | 29 | 12-bit, 20-ch. | 6 | 12-bit, 4-ch. | 2 | 2 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 2.2 | 3.6 | QFN32 | 4x4 | ±2 | C2 | -40 85 | 6 | |||||||||
| 8051 | 50 | 64 | 4.25 | 28 | 12-bit, 20-ch. | 6 | 12-bit, 4-ch. | 2 | 2 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 2.2 | 3.6 | QFP32 | 7x7 | ±2 | C2 | -40 85 | 6 | |||||||||
| 8051 | 50 | 64 | 4.25 | 20 | 12-bit, 12-ch. | 6 | 12-bit, 4-ch. | 2 | 2 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 2.2 | 3.6 | QFN24 | 4x4 | ±2 | C2 | -40 125 | 6 | |||||||||
| 8051 | 50 | 64 | 4.25 | 29 | 12-bit, 20-ch. | 6 | 12-bit, 2-ch. | 2 | 2 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 2.2 | 3.6 | QFN32 | 5x5 | ±2 | C2 | -40 125 | 6 | |||||||||
| 8051 | 50 | 64 | 4.25 | 20 | 12-bit, 12-ch. | 6 | 12-bit, 4-ch. | 2 | 2 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 2.2 | 3.6 | QFN24 | 3x3 | ±2 | C2 | -40 125 | 6 | |||||||||
| 8051 | 50 | 64 | 4.25 | 29 | 12-bit, 20-ch. | 6 | 12-bit, 4-ch. | 2 | 2 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 2.2 | 3.6 | QFN32 | 4x4 | ±2 | C2 | -40 125 | 6 | |||||||||
| 8051 | 50 | 64 | 4.25 | 28 | 12-bit, 20-ch. | 6 | 12-bit, 4-ch. | 2 | 2 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 2.2 | 3.6 | QFP32 | 7x7 | ±2 | C2 | -40 125 | 6 |
Showing 1 to 47 of 47 entries
EFM8BB1 Low Cost 8-bit MCU Explorer Kit
EFM8BB1 Low-Cost 8-bit MCU Explorer Kit is an easy-to-use yet powerful development starting point. It contains an integrated debugger and a simple USB micro connection to allow rapid prototyping.
EFM8BB1 Low Cost 8-bit MCU Explorer Kit
EFM8BB1 Low-Cost 8-bit MCU Explorer Kit is an easy-to-use yet powerful development starting point. It contains an integrated debugger and a simple USB micro connection to allow rapid prototyping.
