AN0002.2: EFR32 Wireless Gecko Series 2 Hardware Design Considerations

PublishTime： 2020-04-16 Manufacturer： Silicon Labs Type： Application note & Design Guide Language： English

This application note details hardware design considerations for EFR32 Wireless Gecko Series 2 devices. For hardware design considerations for EFM32 and EZR32 Wireless MCU Series 0 and EFM32 and EFR32 Wireless Gecko Series 1 devices, refer to AN0002.0: EFM32 and EZR32 Wireless MCU Series 0 Hardware Design Considerations and AN0002.1: EFM32 and EFR32 Wireless MCU Series 1 Hardware Design Considerations, respectively.
Topics specifically covered are supported power supply configurations, supply filtering considerations, debug interface connections, and external clock sources.
For more information on hardware design considerations for the radio portion of EFR32 Wireless Gecko Series 2 devices, see AN930.2: EFR32 Series 2 2.4 GHz Matching Guide, AN933.2: EFR32 Series 2 2.4 GHz Minimal BOM and AN928.2: EFR32 Series2 Layout Design Guide.
KEY POINTS:
• Decoupling capacitors are crucial to ensuring the integrity of the device's power supplies.
• The debug interface consists of two communication pins (SWCLK and SWDIO).
• External clock sources must be connected to the device correctly for proper operation.

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