RDA Microelectronics, Inc.

RDA5876 Datasheet V1.2

Page 5 of 22

4 Bluetooth Section Features

Radio

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Build-in TX/RX switch

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Fully integrated synthesizer without any external component

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Support DCXO or external reference clock direct input

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Class2 and class3 transmit output power supported and over 30dB dynamic control range

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Supports π/4 DQPSK and 8DPSK modulation

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High performance in receiver sensitivity and over 80dB dynamic range

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Integrated channel filter

Auxiliary features

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On-chip regulator to support battery power supply directly

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Power management support low power mode

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Support share handset system reference clock

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Support 3-wire wifi cooperation handshake protocol

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Support external class1 PA and antenna switch

Baseband

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Internal RAM allows fully speed data transfer, mixed voice and data, and fully piconet operation

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Logic for forward error correction, header error control, access code correlation, CRC,

demodulation , encryption bit stream generation, whitening and transmit pulse shaping

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Support eSCO and AFH

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Support up to Bluetooth v2.1 + EDR

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Support A-law, μ-law and CVSD digitize audio CODEC in PCM interface

Interface

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Provides UART HCI interface, up-to 4Mbps

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Provides I2C interface for host to do configuration

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Provides PCM audio interface

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Provides 3-wire and 2-wire WIFI Co-existence handshake interface

Bluetooth Stack

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Compliant with Bluetooth 2.1 + EDR specification