DSP56374PB datasheet(1/128 Pages) MOTOROLA

Part #	DSP56374PB

Description	high density CMOS device with 3.3 V inputs and outputs

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Manufacturer	MOTOROLA [Motorola, Inc]

Direct Link	http://www.freescale.com

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PRELIMINARY

Freescale Semiconductor

Technical Data

DSP56374

Rev. 1, 11/2004

Overview

The DSP56374 is a high density CMOS device with 3.3 V inputs and outputs.

NOTE

This document contains information on a new product.

Specifications and information herein are subject to

change without notice.

Finalized specifications may be published after further characterization and device

qualifications are completed.

The DSP56374 supports digital audio applications requiring sound field processing,

acoustic equalization, and other digital audio algorithms. The DSP56374 uses the high

performance, single-clock-per-cycle DSP56300 core family of programmable CMOS digital

signal processors (DSPs) combined with the audio signal processing capability of the

Freescale Semiconductor, Inc. (formerly Motorola) Symphony™ DSP family, as shown in

Figure 1. Significant architectural enhancements include a barrel shifter, 24-bit addressing,

and direct memory access (DMA). The DSP56374 offers 150 million instructions per second

(MIPS) using an internal 150 MHz clock.

Data Sheet Conventions

This data sheet uses the following conventions:

OVERBAR

Used to indicate a signal that is active when pulled low (For

example, the RESET pin is active when low.)

“asserted”

Means that a high true (active high) signal is high or that a low true

(active low) signal is low

“deasserted” Means that a high true (active high) signal is low or that a low true

(active low) signal is high

Examples:

Signal/

Symbol

Logic State

Signal State

Voltage*

True

Asserted

VIL / VOL

False

Deasserted

VIH / VOH

True

Asserted

VIH / VOH

False

Deasserted

VIL / VOL

Note: *Values for VIL, VOL, VIH, and VOH are defined by individual product specifications.

Table of Contents

Section

Page

1 Features........................................ 2

2 Documentation.............................. 4

3 Signal Groupings .......................... 4

4 Maximum Ratings ....................... 24

5 Power Requirements................... 25

6 Thermal Characteristics.............. 26

7 DC Electrical Characteristics ...... 26

8 AC Electrical Characteristics....... 27

9 Internal Clocks ............................ 27

10 External Clock Operation .......... 29

11 Reset, Stop, Mode Select, and

Interrupt Timing ........................... 30

12 Serial Host Interface SPI Protocol

Timing.......................................... 34

13 Serial Host Interface (SHI) I2C

Protocol Timing ........................... 40

14 Programming the Serial Clock .. 42

15 Enhanced Serial Audio Interface

Timing.......................................... 43

16 Timer Timing ............................. 48

17 GPIO Timing ............................. 48

18 JTAG Timing ............................. 50

19 Watchdog Timer Timing ............ 52

Appendix A Package Information. 53

Appendix B IBIS Model ................. 63

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