NE651R479A-EVPW19

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The NE651R479A-EVPW19 is a RF Evaluation and Development Kit, a type of boards commercialized by WorldStar, designed for radio frequency (RF) wireless communication and product research & development. It features a M141 processor composed of 8-bit Microcontroller Unit and a radio transceiver operating in the 2.4-2.5 GHz ISM band, offering a power output of some +/-15 dBm. The maximum permissible EIRP, by adding a dedicated amplifier, is increased to some +/-18 dBm.

The board supports HCI communications and the MS63x/MS95x/MS67x-NBx/MFCX transceiver series. The combination permits Bluetooth Low Energy (BLE) and Zigbee operations, including implementations of the IEEE 802.15.4 standard, and can be used for a wide range of applications.

The typical application fields of the NE651R479A-EVPW19 are in medical products, consumer electronics products, and smart toys. Such products may use radio communications for data and audio transfer, as well as for remote control and actuation. As for home automation application, the board can be used to control remote electric and non-electric appliances.

The working principle of the NE651R479A-EVPW19 is mainly based on the transceiver operating in the 2.4-2.5 GHz ISM band providing a power output of some +/- 15 dBm. The processor attached to the M141 core is the SSPcx32, optimized for data collecting and transferring. This processor communicates with the transceiver by using the serial bus, allowing to receive and transmit data up to a maximum rate of 4 Mbps. The transceiver architecture is composed of two parts, a radio frequency section and a baseband section.

The radio frequency section controls the radio frequency activities and includes a frequency synthesizer, a power amplifier, and an IF filter. The synthesizer is used to control the radio frequency parameters, like the frequency of the local oscillator. The Power Amplifier is used to match the output power of the transceiver, while the IF filter performs filtering operations to suppress noise and interference. The baseband sections uses 3.3V power supply, where the core of the baseband is based on an ARM Cortex-M3 processor, which performs the necessary signal processing functions like filtering and packet demodulation.

The NE651R479A-EVPW19 Board also features a temperature sensor interface, a motion sensor interface, a 3-axis accelerometer, a six-channel digital microphone system interface, and a 3-axis magnetometer. These features make it suitable for a wide range of applications, including energy harvesting, detection, communication, consumer electronics, smart toy applications, and home automation.

In conclusion, the NE651R479A-EVPW19 Board is a versatile RF Evaluation and Development Kit, designed for product research & development and radio frequency wireless communication. It is mainly used in medical products, consumer electronics, and smart toys. The board is composed of a M141 processor based on the SSPcx32 and a radio transceiver operating in the 2.4-2.5 GHz ISM band, offering a power output of some +/-15 dBm. The board also features a temperature sensor interface, a motion sensor interface, a 3-axis accelerometer, a six-channel digital microphone system interface, and a 3-axis magnetometer.

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