1.3 RF Pico Card
The RF pico board is a radio module that contains an EZRadio IC, a matching network, and an SMA connector on the top side. Other
than the antenna connector, these components are covered by a metal shield for noise reduction. The digital signals of the radio
(SCLK, SDI, SDO, NSEL, SCL, SDA, VDD and GND) can be accessed on test points at the edge of the board. The boards also have a
factory-loaded board identification memory (EBID) on the bottom side that contains data that describes the board properties. Via the
unified RF pico connector pair on the bottom side of the board, any RF Pico board can be connected to the EXP board explained next.
The Pico card comes with an antenna which is screwed into the SMA connector on the top of the card.
Antenna Connection
Noise Shield
Test Points
Figure 1.2. RF Pico Card
AN954: Programming Guide for EFM8 and EZRadio ®
Hardware
silabs.com | Smart. Connected. Energy-friendly. Rev. 0.1 | 2
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