raden tonev propeller multi-core chip. single-core processors - original way of developing...
DESCRIPTION
The PIC 16f628 ChipTRANSCRIPT
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Raden Tonev
Propeller Multi-Core Chip
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Single-Core Processors
- Original way of developing processors
- Broadly used until recent years
-Present problems
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The PIC 16f628 Chip
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Why Multi-Core?
Increased Performance Faster Speed Executing Tasks Simultaneously Better Resource Allocation
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The Propeller Multi-Core Chip
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Propeller Microcontroller Block Diagram
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Parallel Sorting
- Merge Sort- Rank Sort- Quick Sort- Radix Sort
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Sequential Merge Sort
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Parallel Merge Sort
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Performance
Sequential Processing1.Merge Sort - O(n log n)
Parallel processing
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Sonar Sensors
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I/O Pins TableBit 12 of Cogs’ I/O Direction Register
Bit 12 of Cogs’ I/O Output Register
State of I/O Pin P12
0 1 2 3 4 5 6 7 0 1 2 3 4 5 6 7
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Input
1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Output Low
1 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 Output High1 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 Output Low
1 1 0 0 0 0 0 0 0 1 0 0 0 0 0 0 Output High1 1 1 1 1 1 1 1 0 1 0 1 0 0 0 0 Output High1 1 1 1 1 1 1 1 0 0 0 1 0 0 0 0 Output High1 1 1 0 1 1 1 1 0 0 0 1 0 0 0 0 Output Low