EFM8BB10F2G-QFN20 8051 8-bit Microcontroller

The EFM8BB10F2G-QFN20 is part of the Busy Bee family of 8051 based 8-bit MCUs. Built on top of a low power platform this device operates at 25 MHz. The EFM8BB10F2G-QFN20 includes 2 kB Flash, 0.25 kB RAM, 16 Dig I/O Pins, 4 x 16-bit Timers, 3 PCA Channels and additional communication peripherals. 

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Specifications Summary

MCU Core: 8051

MHz: 25

Flash (kB): 2

RAM (kB): 0.25

HS I²C Slave: 0

I²C: 1

SPI: 1


Dig I/O Pins: 16

ADC: 12-bit, 15-ch.


Comparators: 2

PCA Channels: 3

Timers: 4

Package Type: QFN20

Package Size: 3x3

Development Tools Type
SLSTK2020A Starter Kits
Title Version Resource Type
QSG128: EFM8BB1 SLSTK2020A Quick Start Guide 0.2 Quick Start Guides
PB #1609303: 8-bit MCU Watchdog Timer Product Change Notifications (PCN)
PRCN #1605201: EFM8BB3x Rev B Product Change Notifications (PCN)
AN119: Calculating Settling Time for Switched Capacitor ADCs 1.3 Application Notes
EFM8BB1 SLSTK2020A User Guide 0.2 User Guides
PB #1611166: EFM8BB1 Datasheet update v1.5 Product Change Notifications (PCN)
AN124: Pin Sharing Techniques for the C2 Interface 1.4 Application Notes
UG233: USB Type-C Reference Design User's Guide 0.2 User Guides
AN533SW Software
EFM8BB3 Starter Kit (STK) Bill of Materials A02 Schematic and Layout Files
AN945: EFM8 Factory Bootloader User Guide Software 0.2 Software
EFM8BB1 Reference Manual 0.2 Reference Manuals
PB #1509011: EFM8 RevB Errata Update Product Change Notifications (PCN)
ToolStick Base Adapter User Guide 0.1 User Guides
AN945: EFM8 Factory Bootloader User Guide 0.2 Application Notes
EFM8BB1 Rev A Errata 0.4 Errata
PB #1511241: EFM8BB1 EFM8SB1 EFM8SB2 EFM8UB2 Bootloader Errata Product Change Notifications (PCN)
EFM8BB1 Data Sheet (Simplified Chinese): EFM8 Busy Bee Family 1.5 Data Sheets
AN920: Using the EFM8LB1/BB3 DAC 0.1 Application Notes
PCN #1611161: EFM8BB2 Datasheet and LDO calibration Product Change Notifications (PCN)
EFM8BB1 Starter Kit (STK) Bill of Materials A02 Schematic and Layout Files
USB Type C Reference Design Reference Designs
EFM8BB1 Data Sheet: EFM8 Busy Bee Family 1.5 Data Sheets
AN921: Configurable Logic Unit 0.1 Application Notes
The C8051 Core: A Viable Compute Engine for 8-bit MCU Design 1.0 White Papers
AN0823: Simplicity Configurator User's Guide 0.3 Application Notes
EFM8BB1 Starter Kit (STK) Schematic A02 Schematic and Layout Files
AN919: Using the EFM8LB1 ADC 0.1 Application Notes
PB #1512171: EFM8BB2 EFM8UB1 Datasheet Rev1.1 Errata Rev0.4 Product Change Notifications (PCN)
EFM8BB1 Errata History 0.1 Errata
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