DSP56857 datasheet(6/53 Pages) FREESCALE

6 / 53 page

56857 Technical Data, Rev. 6

Freescale Semiconductor

1.3 State of the Art Development Environment

•

Processor ExpertTM (PE) provides a Rapid Application Design (RAD) tool that combines easy-to-use

component-based software application creation with an expert knowledge system.

•

The Code Warrior Integrated Development Environment is a sophisticated tool for code navigation,

compiling, and debugging. A complete set of evaluation modules (EVMs) and development system cards

will support concurrent engineering. Together, PE, Code Warrior and EVMs create a complete, scalable

tools solution for easy, fast, and efficient development.

1.4 Product Documentation

The four documents listed in Table 1-1 are required for a complete description of and proper design with

the 56857. Documentation is available from local Freescale distributors, Freescale Semiconductor sales

offices, Freescale Literature Distribution Centers, or online at www.freescale.com.

1.5 Data Sheet Conventions

This data sheet uses the following conventions:

Table 1-1 56857 Chip Documentation

Topic

Description

Order Number

56800E

Reference Manual

Detailed description of the 56800E architecture, 16-bit

core processor and the instruction set

56800ERM

DSP56857

User’s Manual

Detailed description of memory, peripherals, and

interfaces of the 56857

DSP5685xUM

DSP56857

Technical Data Sheet

Electrical and timing specifications, pin descriptions,

and package descriptions (this document)

DSP56857

Errata

Details any chip issues that might be present

DSP56857E

OVERBAR

This is used to indicate a signal that is active when pulled low. For example, the RESET pin is

active when low.

“asserted”

A high true (active high) signal is high or a low true (active low) signal is low.

“deasserted”

A high true (active high) signal is low or a low true (active low) signal is high.

Examples:

Signal/Symbol

Logic State

Signal State

Voltage1

1. Values for VIL, VOL, VIH, and VOH are defined by individual product specifications.

True

Asserted

VIL/VOL

False

Deasserted

VIH/VOH

True

Asserted

VIH/VOH

False

Deasserted

VIL/VOL

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