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SLWSTK6101B Datasheet(PDF) 5 Page - Silicon Laboratories |
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SLWSTK6101B Datasheet(HTML) 5 Page - Silicon Laboratories |
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5 / 84 page  Table 3.1. Antenna Efficiency and Peak Gain Parameter With optimal layout Note Efficiency -3 to -4 dB Efficiency and peak gain depend on the application PCB layout and mechanical design Peak gain 0.5 dBi 3.2.2 Wake on Radio The Wake on Radio feature allows flexible, autonomous RF sensing, qualification, and demodulation without required MCU activity, us- ing a subsystem of the BGM113 including the Radio Controller (RAC), Peripheral Reflex System (PRS), and Low Energy peripherals. 3.2.3 RFSENSE The RFSENSE module generates a system wakeup interrupt upon detection of wideband RF energy at the antenna interface, providing true RF wakeup capabilities from low energy modes including EM2, EM3 and EM4. RFSENSE triggers on a relatively strong RF signal and is available in the lowest energy modes, allowing exceptionally low energy con- sumption. RFSENSE does not demodulate or otherwise qualify the received signal, but software may respond to the wakeup event by enabling normal RF reception. Various strategies for optimizing power consumption and system response time in presence of false alarms may be employed using available timer peripherals. 3.2.4 Packet and State Trace The BGM113 Frame Controller has a packet and state trace unit that provides valuable information during the development phase. It features: • Non-intrusive trace of transmit data, receive data and state information • Data observability on a single-pin UART data output, or on a two-pin SPI data output • Configurable data output bitrate / baudrate • Multiplexed transmitted data, received data and state / meta information in a single serial data stream 3.2.5 Random Number Generator The Frame Controller (FRC) implements a random number generator that uses entropy gathered from noise in the RF receive chain. The data is suitable for use in cryptographic applications. Output from the random number generator can be used either directly or as a seed or entropy source for software-based random num- ber generator algorithms such as Fortuna. BGM113 Blue Gecko Bluetooth ® Module Data Sheet System Overview silabs.com | Smart. Connected. Energy-friendly. Rev. 1.00 | 4 |
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