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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Title: 2-4 Voyage au centre du DSP 54x
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2-4 Voyage au centre du DSP 54x
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C54x Architecture
PC
XPC
Addr Gen
Data Write A/D Bus (E)
MAC AR2, AR3, A
ADD _at_x2, B ...
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2-4-1 ALU/Registres et bus internes
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C5510 Architecture
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2-4-2 Pipe-Line C5402
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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
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