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BRD4153A Datasheet(PDF) 4 Page - Silicon Laboratories |
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BRD4153A Datasheet(HTML) 4 Page - Silicon Laboratories |
4 / 18 page 3. Radio Board Block Summary 3.1 Introduction This section gives a short introduction to the blocks of the BRD4153A Radio Board. 3.2 Radio Board Block Diagram The block diagram of the EFR32MG Radio Board is shown in the figure below. Inverted-F PCB Antenna 2.4 GHz RF UFL Connector LF Crystal 32.768k HF Crystal 38.4M Radio Board Connectors 8 Mbit MX25R Serial Flash 24AA0024 Serial EEPROM Matching Network & Path Selection GPIO UART Debug Packet Trace AEM I2C SPI 2.4 GHz RF EFR32 EFR32 Wireless SoC Figure 3.1. BRD4153A Block Diagram 3.3 Radio Board Block Description 3.3.1 Wireless MCU The BRD4153A EFR32 Mighty Gecko Radio Board incorporates an EFR32MG1P132F256GM48 Wireless System on Chip featuring 32-bit Cortex-M4 with FPU core, 256 kB of flash memory and 32 kB of RAM and a 2.4 GHz band transceiver with output power up to 16.5 dBm. For additional information on the EFR32MG1P132F256GM48, refer to the EFR32MG1 Data Sheet. 3.3.2 LF Crystal Oscillator (LFXO) The BRD4153A Radio Board has a 32.768 kHz crystal mounted. 3.3.3 HF Crystal Oscillator (HFXO) The BRD4153A Radio Board has a 38.4 MHz crystal mounted. 3.3.4 Matching Network for 2.4 GHz The BRD4153A Radio Board incorporates a 2.4 GHz matching network which connects the 2.4 GHz TRX pin of the EFR32MG1 to the one on-board printed Inverted-F antenna. The component values were optimized for the 2.4 GHz band RF performace and current con- sumption with 13 dBm output power. For detailed description of the matching network, see Chapter 4.2.1 Description of the 2.4 GHz RF Matching. BRD4153A Reference Manual Radio Board Block Summary silabs.com | Smart. Connected. Energy-friendly. Rev. 1.6 | 3 |
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