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DSP56311 Overview
This manual describes the DSP56311 24-bit digital signal processor (DSP), its memory,
operating modes, and peripheral modules. The DSP56311 is an implementation of the DSP56300
core with a unique configuration of internal memory, cache, and peripherals.
Use this manual in conjunction with the DSP56300 Family Manual (DSP56300FM), which
describes the CPU, core programming models, and instruction set. The DSP56311 Technical
Data (DSP56311)—referred to as the data sheet—provides DSP56311 electrical specifications,
timing, pinout, and packaging descriptions.
You can obtain these documents—and the Freescale DSP development tools—through a local
Freescale Semiconductor Sales Office or authorized distributor. To receive the latest information
on this DSP, access the Freescale web site at the address listed on the back cover of this manual.
1.1 Manual Organization
This manual contains the following sections and appendices:
Chapter 1, DSP56311 Overview. Features list and block diagram, related documentation,
organization of this manual, and the notational conventions used.
Chapter 2, Signals/Connections. DSP56311 signals and their functional groupings.
Chapter 3, Memory Configuration. DSP56311 memory spaces, RAM configuration,
memory configuration bit settings, memory configurations, and memory maps.
Chapter 4, Core Configuration. Registers for configuring the DSP56300 core when
programming the DSP56311, in particular the interrupt vector locations and the operation
of the interrupt priority registers; operating modes and how they affect the processor's
program and data memories.
Chapter 5, Programming the Peripherals. Guidelines on initializing the DSP56311
peripherals, including mapping control registers, specifying a method of transferring data,
and configuring for general-purpose input/output (GPIO).
Chapter 6, Host Interface (HI08). Signals, architecture, programming model, reset,
interrupts, external host programming model, initialization, and a quick reference to the
HI08 programming model.
Freescale Semiconductor
DSP56311 User's Manual, Rev. 2
1
1-1
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