Motorola Freescale Semiconductor, Inc, Features, DSP56362 Surround Decoder Functionality

Freescale Semiconductor, Inc.

Freescale Semiconductor, Inc.

DSP56362

24-Bit Audio Digital Signal Processor

				DSP56362			L/R	Left/Right
PCM or							I2S
Compresse							Tx	Stereo Out
	I2S				User	Buffer
d Data		Dolby		Dolby			C/Sub	Center/
	Rx
		Digital			Defined			Subwoofer
				Pro Logic			I2S
					Processing:	Output Delay	Tx	Out
			Select	Select	— Bass mgt		Sr/Sl	Right/Left
	Input	MPEG2			— 3D Virtual
							2	Surround
	Buffer	5.1/7.1			Surround		I S	Sound Out
					— Lucasfilm		Tx
					THX5.1		L/R
	Auto			Noise	— Soundfields			Headphone
		DTS			— Equalization		I2S	Mix Down/
	Detector			Sequencer			Tx
								Aux. Sur-
								round
							IEC958
			DSP Clock				Tx
	Parallel	PLL		General	Serial	JTAG/OnCE™
	Host/Data			Purpose	Host
							Interface
	Interface			I/O	Interface

External	System	User	SPI/I2C	Dedicated
Host CPU/	Clock	Programmable	Protocol	Debugging
8-bit Data Interface		I/O		Port	AA0565G

Figure 2 DSP56362 Surround Decoder Functionality

Features

•Multimode, multichannel decoder software functionality

–Dolby Digital and Pro Logic

–MPEG2 5.1

–DTS

•Digital audio post-processing capabilities

–Bass management

–3D Virtual surround sound

–Lucasfilm THX5.1

–Soundfield processing

–Equalization

•Digital Signal Processing Core

–100/120 Million Instructions Per Second (MIPS) with an 100/120 MHz clock at a nominal 3.3 V

–Object code compatible with the DSP56000 core with highly parallel instruction set

–Data Arithmetic Logic Unit (Data ALU)

–Program Control Unit (PCU)

–Direct Memory Access (DMA)

–Software programmable PLL-based frequency synthesizer for the core clock

2 DSP56362 Product Brief MOTOROLA

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