EFM8 BB5 8-bit Microcontrollers (MCUs)
The EFM8BB5, part of the wide supply 5 Volt Busy Bee family of MCUs, is a multi-purpose line of 8-bit microcontrollers with a comprehensive feature set in small packages . These devices offer high-value by integrating advanced analog, and communication peripherals into small packages, making them ideal for space-contrained applications. With an efficient 8051 core, 5 V capable I/O, precision analog, and enhanced pulse-width modulation, the EFM8BB5 family is also optimal for embedded applications.
Busy Bee Common Specs
- Pipelined 8-bit C8051 core with 50 MHz maximum operating frequency
- 16 multifunction, 5 V capable I/O pins
- 1 x 12-bit Analog to Digital converter
- 2 x Analog comparators
- Integrated temperature sensor
- 3-channel PCA with PWM
- 3-channel PWM engine
- 4 x 16-bit timers
- 2 x 8-bit timers
- 2 x UART & SMBus/I2C
- SPI with 4 byte FIFO
- Priority crossbar for flexible pin mapping
- 4 x configurable logic units
Find the Right EFM8 BB5 Device 24
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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 | 50 | 16 | 1.28 | 29 | 12-bit, 16-ch. | 4 | 10-bit, 1-ch. | 2 | 2 | 1 | 2 | 0 | 0 | 0 | 0 | 0 | 5.5 | 1.8 | QFN32 | 5x5 | ±2 | C2 | -40 85 | 3 | |||||||||
8051 | 50 | 16 | 1.28 | 16 | 12-bit, 12-ch. | 4 | - | 2 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 5.5 | 1.8 | QFN20 | 3x3 | ±2 | C2 | -40 125 | 3 | |||||||||
8051 | 50 | 8 | 1.28 | 16 | 12-bit, 12-ch. | 4 | - | 2 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 5.5 | 1.8 | TSSOP20 | 6.5x4.4 | ±2 | C2 | -40 125 | 3 | |||||||||
8051 | 50 | 16 | 1.28 | 25 | 12-bit, 16-ch. | 4 | 10-bit, 1-ch. | 2 | 2 | 1 | 2 | 0 | 0 | 0 | 0 | 0 | 5.5 | 1.8 | TSSOP28 | 9.7x4.4 | ±2 | C2 | -40 85 | 3 | |||||||||
8051 | 50 | 32 | 2.30 | 16 | 12-bit, 12-ch. | 4 | 10-bit, 1-ch. | 2 | 2 | 1 | 2 | 0 | 0 | 0 | 0 | 0 | 5.5 | 1.8 | QFN20 | 3x3 | ±2 | C2 | -40 85 | 3 | |||||||||
8051 | 50 | 16 | 1.28 | 16 | 12-bit, 12-ch. | 4 | 10-bit, 1-ch. | 2 | 2 | 1 | 2 | 0 | 0 | 0 | 0 | 0 | 5.5 | 1.8 | TSSOP20 | 6.5x4.4 | ±2 | C2 | -40 85 | 3 | |||||||||
8051 | 50 | 16 | 1.28 | 16 | 12-bit, 12-ch. | 4 | - | 2 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 5.5 | 1.8 | TSSOP20 | 6.5x4.4 | ±2 | C2 | -40 125 | 3 | |||||||||
8051 | 50 | 8 | 1.28 | 16 | 12-bit, 12-ch. | 4 | - | 2 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 5.5 | 1.8 | QFN20 | 3x3 | ±2 | C2 | -40 85 | 3 | |||||||||
8051 | 50 | 16 | 1.28 | 29 | 12-bit, 16-ch. | 4 | 10-bit, 1-ch. | 2 | 2 | 1 | 2 | 0 | 0 | 0 | 0 | 0 | 5.5 | 1.8 | QFN32 | 5x5 | ±2 | C2 | -40 125 | 3 | |||||||||
8051 | 50 | 16 | 1.28 | 16 | 12-bit, 12-ch. | 4 | 10-bit, 1-ch. | 2 | 2 | 1 | 2 | 0 | 0 | 0 | 0 | 0 | 5.5 | 1.8 | QFN20 | 3x3 | ±2 | C2 | -40 85 | 3 | |||||||||
8051 | 50 | 16 | 1.28 | 16 | 12-bit, 12-ch. | 4 | - | 2 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 5.5 | 1.8 | TSSOP20 | 6.5x4.4 | ±2 | C2 | -40 85 | 3 | |||||||||
8051 | 50 | 32 | 2.30 | 16 | 12-bit, 12-ch. | 4 | 10-bit, 1-ch. | 2 | 2 | 1 | 2 | 0 | 0 | 0 | 0 | 0 | 5.5 | 1.8 | TSSOP20 | 6.5x4.4 | ±2 | C2 | -40 125 | 3 | |||||||||
8051 | 50 | 32 | 2.30 | 25 | 12-bit, 16-ch. | 4 | 10-bit, 1-ch. | 2 | 2 | 1 | 2 | 0 | 0 | 0 | 0 | 0 | 5.5 | 1.8 | TSSOP28 | 9.7x4.4 | ±2 | C2 | -40 125 | 3 | |||||||||
8051 | 50 | 16 | 1.28 | 25 | 12-bit, 16-ch. | 4 | 10-bit, 1-ch. | 2 | 2 | 1 | 2 | 0 | 0 | 0 | 0 | 0 | 5.5 | 1.8 | TSSOP28 | 9.7x4.4 | ±2 | C2 | -40 125 | 3 | |||||||||
8051 | 50 | 32 | 2.30 | 29 | 12-bit, 16-ch | 4 | 10-bit, 1-ch | 2 | 2 | 1 | 2 | 0 | 0 | 0 | 0 | 0 | 5.5 | 1.8 | QFN32 | 5x5 | ±2 | C2 | -40 125 | 3 | |||||||||
8051 | 50 | 16 | 1.28 | 16 | 12-bit, 12-ch. | 4 | 10-bit, 1-ch. | 2 | 2 | 1 | 2 | 0 | 0 | 0 | 0 | 0 | 5.5 | 1.8 | QFN20 | 3x3 | ±2 | C2 | -40 125 | 3 | |||||||||
8051 | 50 | 16 | 1.28 | 16 | 12-bit, 12-ch. | 4 | - | 2 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 5.5 | 1.8 | QFN20 | 3x3 | ±2 | C2 | -40 85 | 3 | |||||||||
8051 | 50 | 16 | 1.28 | 16 | 12-bit, 12-ch. | 4 | 10-bit, 1-ch. | 2 | 2 | 1 | 2 | 0 | 0 | 0 | 0 | 0 | 5.5 | 1.8 | TSSOP20 | 6.5x4.4 | ±2 | C2 | -40 125 | 3 | |||||||||
8051 | 50 | 32 | 2.30 | 16 | 12-bit, 12-ch. | 4 | 10-bit, 1-ch. | 2 | 2 | 1 | 2 | 0 | 0 | 0 | 0 | 0 | 5.5 | 1.8 | QFN20 | 3x3 | ±2 | C2 | -40 125 | 3 | |||||||||
8051 | 50 | 32 | 2.30 | 16 | 12-bit, 12-ch. | 4 | 10-bit, 1-ch. | 2 | 2 | 1 | 2 | 0 | 0 | 0 | 0 | 0 | 5.5 | 1.8 | TSSOP20 | 6.5x4.4 | ±2 | C2 | -40 85 | 3 | |||||||||
8051 | 50 | 32 | 2.30 | 25 | 12-bit, 16-ch. | 4 | 10-bit, 1-ch. | 2 | 2 | 1 | 2 | 0 | 0 | 0 | 0 | 0 | 5.5 | 1.8 | TSSOP28 | 9.7x4.4 | ±2 | C2 | -40 85 | 3 | |||||||||
8051 | 50 | 32 | 2.30 | 29 | 12-bit, 16-ch. | 4 | 10-bit, 1-ch. | 2 | 2 | 1 | 2 | 0 | 0 | 0 | 0 | 0 | 5.5 | 1.8 | QFN32 | 5x5 | ±2 | C2 | -40 85 | 3 | |||||||||
8051 | 50 | 8 | 1.28 | 16 | 12-bit, 12-ch. | 4 | - | 2 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 5.5 | 1.8 | QFN20 | 3x3 | ±2 | C2 | -40 125 | 3 | |||||||||
8051 | 50 | 8 | 1.28 | 16 | 12-bit, 12-ch. | 4 | - | 2 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 5.5 | 1.8 | TSSOP20 | 6.5x4.4 | ±2 | C2 | -40 85 | 3 |
Showing 1 to 24 of 24 entries
EFM8 BB51 8-bit MCU Explorer Kit
The Silicon Labs EFM8 BB51 8-bit MCU Explorer Kit, BB51-EK2700A, is an ideal, obstacle free evaluation starting point for the EFM8BB51 8-bit Microcontroller family. It offers Qwicc and Click connectors for rapid prototyping as well as an on board debugger. All pins are brought out with minimal conflicts to enable quick development.

EFM8 BB51 8-bit MCU Explorer Kit
The Silicon Labs EFM8 BB51 8-bit MCU Explorer Kit, BB51-EK2700A, is an ideal, obstacle free evaluation starting point for the EFM8BB51 8-bit Microcontroller family. It offers Qwicc and Click connectors for rapid prototyping as well as an on board debugger. All pins are brought out with minimal conflicts to enable quick development.
EFM8 BB51 8-bit MCU Pro Kit
BB52-PK5207B, EFM8 BB5 Pro Kit, is an ideal starting point for application development on the EFM8 BB51 8-bit Microcontroller family. The board features sensors and peripherals, demonstrating some of the many capabilities of the EFM8 BB51 Microcontroller.

EFM8 BB51 8-bit MCU Pro Kit
BB52-PK5207B, EFM8 BB5 Pro Kit, is an ideal starting point for application development on the EFM8 BB51 8-bit Microcontroller family. The board features sensors and peripherals, demonstrating some of the many capabilities of the EFM8 BB51 Microcontroller.
EFM8 BB52 8-bit MCU Explorer Kit
The EFM8 BB52 8-bit MCU Explorer Kit, BB52-EK2701A, is an ideal, obstacle free evaluation starting point for the EFM8BB52 8-bit Microcontroller family. It offers Qwicc and Click connectors for rapid prototyping as well as an on board debugger. All pins are brought out with minimal conflicts to enable quick development.

EFM8 BB52 8-bit MCU Explorer Kit
The EFM8 BB52 8-bit MCU Explorer Kit, BB52-EK2701A, is an ideal, obstacle free evaluation starting point for the EFM8BB52 8-bit Microcontroller family. It offers Qwicc and Click connectors for rapid prototyping as well as an on board debugger. All pins are brought out with minimal conflicts to enable quick development.
EFM8 BB52 8-bit MCU Pro Kit
The BB52-PK5206B, EFM8 BB5 Pro Kit, is an ideal starting point for application development on the EFM8BB52 8-bit Microcontroller family. The board features sensors and peripherals, demonstrating some of the many capabilities of the EFM8BB52 Microcontroller. Additionally, the board is a fully featured debugger and energy monitoring tool that can be used with external applications.

EFM8 BB52 8-bit MCU Pro Kit
The BB52-PK5206B, EFM8 BB5 Pro Kit, is an ideal starting point for application development on the EFM8BB52 8-bit Microcontroller family. The board features sensors and peripherals, demonstrating some of the many capabilities of the EFM8BB52 Microcontroller. Additionally, the board is a fully featured debugger and energy monitoring tool that can be used with external applications.
ToolStick Base Adapter
The easiest way to get started experimenting with the 8-bit MCU ToolStick is with the ToolStick Base Adapter.

ToolStick Base Adapter
The easiest way to get started experimenting with the 8-bit MCU ToolStick is with the ToolStick Base Adapter.
8-bit USB Debug Adapter
The USB Debug Adapter provides the interface between the PC’s USB port and the C8051Fxxx and EFM8’s in-system debug/programming circuitry.

8-bit USB Debug Adapter
The USB Debug Adapter provides the interface between the PC’s USB port and the C8051Fxxx and EFM8’s in-system debug/programming circuitry.