HBM1X1M

Bluetooth V1.2 Class 1 Module

Data Book

The key features of the DSP include:

32MIPS performance, 24-bit fixed point DSP Core

Single cycle MAC of 24 x 24-bit multiply and 56-bit accumulate

32-bit instruction word

Separate program memory and dual data memory, allowing an ALU

operation and up to two memory accesses in a single cycle

Zero overhead looping and branching

Zero overhead circular buffer indexing

Single cycle barrel shifter with up to 56-bit input and 24-bit output

Multiple cycle divide (performed in the background)

Bit reversed addressing

Orthogonal instruction set

Low overhead interrupt

3.5 Audio Interface

The audio interface circuit consists of a stereo audio CODEC, dual audio inputs

and outputs, and a PCM, I

The interface for the digital audio bus shares the same pins as the PCM CODEC

Interface :

PCM Interface

SPDIF Interface

PCM_OUT

SPDIF_OUT

SD_OUT

PCM_IN

SPDIF_IN

SD_IN

PCM_SYNC

WS

PCM_CLK

SCK

3.6 Stereo Audio Interface

The main features of the interface are:

Stereo and mono analogue input for voice band and audio band

Stereo and mono analogue output for voice band and audio band

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