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W6R21403-14023-L Datasheet(PDF) 3 Page - Microchip Technology |
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W6R21403-14023-L Datasheet(HTML) 3 Page - Microchip Technology |
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3 / 30 page  2014-2016 Microchip Technology Inc. DS70005171B-page 3 RN171 1.0 DEVICE OVERVIEW The RN171 is a standalone, embedded 802.11 b/g Wireless Local Area Network (WLAN) module. The module incorporates an on-board TCP/IP networking stack, cryptographic accelerator, power management subsystem, real-time clock, versatile sensor interface, 2.4 GHz transceiver, and RF power amplifier (see Figure 1-1). With the RN171, designers can embed Wi-Fi and networking functionality rapidly into virtually any device. The RN171 provides cost and time-to-market savings as a self-contained internet-enabling solution. The module has been designed to provide designers with a simple Wi-Fi solution that features: • Ease of integration and programming • Vastly reduced development time • Minimum system cost • Long battery life • Maximum value in a range of applications The RN171 is configured with a simple ASCII com- mand language. The “WiFly Command Reference, Advanced Features and Applications User's Guide ” (DS50002230) contains a complete listing and instructions of the ASCII command interface. In the simplest configuration, the module requires only power, ground, and UART TX and RX connections. The RN171 module can interface to low-cost microcon- trollers using only two wires, UART TX and RX. The RN171 has a versatile sensor interface that can be used to monitor analog signals such as temperature, audio, motion, and acceleration. The module has a small form factor, which makes it easy to integrate. Additionally, the module is compati- ble with standard pick-and-place equipment. The RN171 is ideal for a vast range of applications that require long battery life, moderate processing power, moderate data throughput and occasional Wi-Fi connectivity, such as: • Real-Time Locationing Systems (RTLS) • Industrial and home automation • Health and fitness monitoring • Telemetry •Security Additionally, the module is perfect for mobile wireless applications such as asset monitoring and sensor applications. The RN171 can independently maintain a low-power wireless network connection. Ultra-low power usage and flexible power management maximize the mod- ule’s lifetime in battery-operated devices. A wide oper- ating temperature range allows use in indoor and outdoor environments (industrial temperature range). When operating in Sleep mode, the module minimizes battery usage while still being able to respond to certain events, including internal timers and events on the sen- sor interfaces. Applications that make efficient use of the sleep state can extend battery life to multiple years. The RN171 has modular device approval for operation in the United States (FCC) and Canada (IC). The RN171 module is an R&TTE Directive assessed radio module for operation in Europe. FIGURE 1-1: RN171 BLOCK DIAGRAM 128-KB RAM 2.4-GHz Radio 2.4-GHz PA Crypto- accelerator 32-Bit CPU 802.11 b/g MAC/PHY ADC 2-MB ROM Timers SPI GPIO SDIO Sensor Interface Power Management Flash Memory SPI GPIO UART VDD IN VDD BATT 2.4 GHz TX/RX External Antenna RN171 |
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