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56857 Datasheet(PDF) 6 Page - Freescale Semiconductor, Inc

Part No. 56857
Description  16-bit Digital Signal Controllers
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Maker  FREESCALE [Freescale Semiconductor, Inc]
Homepage  http://www.freescale.com
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56857 Datasheet(HTML) 6 Page - Freescale Semiconductor, Inc

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56857 Technical Data, Rev. 6
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
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.
PIN
True
Asserted
VIL/VOL
PIN
False
Deasserted
VIH/VOH
PIN
True
Asserted
VIH/VOH
PIN
False
Deasserted
VIL/VOL


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