CC2564MODACMOG datasheet(29/68 Pages) TI2

29 / 68 page

CC2564MODN, CC2564MODA

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SWRS160E – FEBRUARY 2014 – REVISED JANUARY 2017

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Detailed Description

Figure 5-10. A2DP Sink Architecture Versus Assisted A2DP Sink Architecture

For more information on the A2DP sink role, see the A2DP Profile Specification at Adopted Bluetooth

Core Specifications.

5.9.2.2

Assisted A2DP Source

The role of the A2DP source is to transmit the audio stream in an A2DP Bluetooth connection. In this role,

the A2DP layer and its underlying layers are responsible for link management and data encoding. To

handle these tasks, two logic transports are defined:

•

Control and signaling logic transport

•

Data packet logic transport

The assisted A2DP takes advantage of this modularity to handle the data packet logic transport in the

module. First, the assisted A2DP encodes the raw data from the module PCM–I2S interface using an on-

chip SBC encoder. The assisted A2DP then implements an L-L2CAP layer and an L-AVDTP layer to

fragment and packetize the encoded audio data. Figure 5-11 shows the comparison between a common

A2DP source architecture and the assisted A2DP source architecture.

CC2564MODACMOG Datasheet(PDF) 29 Page - Texas Instruments