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Download: For Datasheet

General Description

 The RDA® RDA5871 is a Bluetooth 2.1- compliant,stand-alone baseband processor with an integrated 2.4 GHz transceiver. It is ideal for wireless input device applications including game controllers,keyboards, remote controls and mouse. Built-in firmware adheres to the Bluetooth Human Interface Device (HID) profile.

The RDA5871 radio has been designed to provide low power, low cost, and robust communications for applicationsoperating in the globally available 2.4 GHz unlicensed ISM band. It is fully compliant with Bluetooth Radio Specification 2.1.

The single-chip Bluetooth transceiver is a monolithic component implemented in a standard digital CMOS process and requires minimal external components to make a fully compliant Bluetooth device. The RDA5871 is available in one package option, a 48-pin, 6 mm × 6 mm QFN.


l On-chip support for common keyboard and mouse interfaces eliminates external processor

l Bluetooth HID profile version 1.0 compliant

l CMOS single-chip fully-integrated radio and baseband

l Integrated battery charger

l Compliant with Bluetooth 2.1 specification

l ARM7-based microprocessor with on-chip ROM and RAM

l Meet class 2 and class 3 transmitting power requirementr

l Supporting 26MHz DCXO /TCXO

l Low power consumption

l Minimum external component

l Internal 32k LPO.

l Support for EEPROM

l Build-in code patching which supports up to 16 KB patching code

l Built-in four 8-bit resolution ADC channels

l Programmable keyscan matrix interface, up to 8 × 18 key-scanning matrix


   RDA5871 is the SOC tailored for the wireless bluetooth keyboard.

Download: For Datasheet

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