1. Hardware
This section will introduce the hardware needed for this reference design and demo. Using an EFM8 along with an EZRadio is a two
chip low cost wireless solution. This section will also discuss the connections between the radio, the MCU, and the expansion board
used to connect the two.
1.1 Kits
In order to run the software demos and get started with developing, 3 boards are required. EFM8BB1, Expansion Board, and Si4455
1.2 Busy Bee Starter Kit
The EFM8BB1 Starter Kit (STK) is a platform that allows the user to demonstrate, evaluate, and develop solutions. This kit includes the
EFM8BB1 8-bit MCU. It has vast functionality and utilizes an LCD, buttons, joystick, debug interface, and much more to allow rapid
evaluation of both the MCU itself and any add-on hardware using the expansion (EXP) header.
Kit USB
Connector
CR2032
Battery Holder
Power Source Select
User Push
Buttons
User LED
EFM8 Reset Button
EFM8BB1 MCU
Expansion
Header
Direct
Debug Connector
Joystick
128x128 Pixel
Memory LCD
Debug IN/OUT
Connector
Reference
Board Connector
Figure 1.1. Busy Bee Starter Kit
AN954: Programming Guide for EFM8 and EZRadio ®
Hardware
silabs.com | Smart. Connected. Energy-friendly. Rev. 0.1 | 1
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