Silicon Labs EFM8BB1 Busy Bee MCU Starter Kit SLSTK2020A

CR2032 battery, getting started card and USB cable. EFM8 Busy Bee Starter Kits. Three starter kits for evaluation of the low-power 8-bit EFM8 Busy Bee microcontrollers. EFM8 Busy Bee microcontrollers offer low power consumption by combining innovative low-energy techniques with short wakeup times. SLSTK2020A: 25MHz EFM8BB10F8G-A 8051-core microcontroller, 8KB Flash memory, 512B RAM (RS ; 865-2378 865-2378 ) SLSTK2021A: 50MHz EFM8BB22F16G-A 8051-core microcontroller, 16KB Flash memory, 2304B RAM (RS ; 865-2371 865-2371 ) SLSTK2022A: 50MHz EFM8BB31F64G-A 8051-core microcontroller, 64KB Flash memory, 4352B RAM (RS ; 914-0107 914-0107 ) Integrated debugger Advanced Energy Monitor (AEM) 128 x 128 pixel memory LCD display, reflective monochrome 2 x user pushbuttons Reset pushbutton Thumb analogue joystick Access to GPIO via breakout pads User tri-colour LED Powered from USB connector or CR2032 coin cell, selected by slide-switch CR2032 coin cell holder miniUSB power connector 20-pin Expansion header ; Debug connectors