2-4 Voyage au centre du DSP 54x - PowerPoint PPT Presentation

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2-4 Voyage au centre du DSP 54x

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Title: DSP ISEN 4 Author: Alain FRULEUX Last modified by: Alain Created Date: 3/22/2001 10:14:31 AM Document presentation format: Affichage l' cran – PowerPoint PPT presentation

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Tags: 54x | dsp | centre | cycles | dual | voyage

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Title: 2-4 Voyage au centre du DSP 54x


1
2-4 Voyage au centre du DSP 54x
2
C54x Architecture
PC
XPC
Addr Gen
Data Write A/D Bus (E)
MAC AR2, AR3, A
ADD _at_x2, B ...
4
3
2-4-1 ALU/Registres et bus internes
4
C5510 Architecture
5
2-4-2 Pipe-Line C5402
6
C54x Pipeline
Internal Memory
External Memory
  • External 1 access / cycle
  • up to 8M words program
  • Internal Up to 4 accesses / cycle

Pipeline Phases
P
F
D
A
R
X
P - generate program address

F - get opcode
D - decode instruction
A - generate read address
R - read operands
X - execute
6
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