1. Andes Technology Innovate SOC ProcessorsTM

2. Embedded System Development Flow
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3. Design methodologies A procedure for designing a system.
Understanding your methodology helps you ensure you didn’t skip anything.
Compilers, software engineering tools, computer-aided design (CAD) tools, etc., can be used to:
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4. Embedded System Development Flow
Target SW
Compiler
Assembler/Linker
Debugger
Tool chains
Application Layers
Middle
ware
Generic Drivers
App Drivers
OS/Kernel
Libraries SW
SoC
Definition HW
Andes Virtual Platform
Your Virtual SoC
Application Models
Essential IP’s Models
AndesCore
Customer SoC
High Level
Modeling
Add AICE™, ADP-AG101™, and ADP™-XC5 in v1.3.3
SoC
Evaluation Board
Application IPs
Essential IPs
AndeScore
Customer SoC
Logic
Design
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6. Characteristics of Embedded Systems
Sophisticated functionality.
Real-time operation.
Low cost.
Low power.
Designed to tight deadlines by small teams.
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7. SOC (System On Chip) Characteristics
A complete system manufactured on a single IC
Usually includes a processor, memories, peripherals and interfaces
May require mixed mode (digital and analog) semiconductor technology
Components are typically modulated and IP form
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8. SOC (System On Chip) (cont.)
Advantages
Cost
Power
Versatility with IP uses
Disadvantages
Availability of IPs
Compatibility of IPs
Verification/Testing issues
Packaging and heat dissipation
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9. SOC (System On Chip) (cont.)
Key design issues
Process technology OS
Non OS
Mix-mode
Communications and interfaces
AMBA
Local BUS
System architecture and integration
OS kernal
Low power
Real-time computing
Application domain knowledge
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10. Andes Embedded™
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11. Andes Embedded Solution
AndeStar™
Andes 16/32-bit Mixable ISA
AndesCore™
CPU Core Family
AndESLive™
ESL Integrated Virtual Environment
Andes
Embedded™
AndeShape™
SoC + EVB + ICE
AndeSight™
Integrated Development
Environment
AndeSoft™
Optimized Target SW such as Linux/RTOS, Middleware, and Application Software.
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12. AndesCore™ – Configurable Options
Cache:
Instruction queue size: 2/4/8
8KB ~ 64KB, 1/2/4 ways
16B/32B cache line size
Replacement policy: Pseudo LRU or random
Local Memory:
Internal or external, 4KB ~ 1MB
Memory Management
Simplest 2/4 partitions
MPU with 8 segments
MMU
microTLB size: 4/8 entries
mainTLB size: 32/64/128 entries
Page table walking: hardware or software
Bus interfaces:
AHB/AHB-Lite/APB/AMI
HSMP bus
Instruction extensions:
Audio extensions
Performance extensions
Floating co-processor
String processing acceleration
User-defined extensions
Debugging support:
Embedded Debug Module with HW breakpoints
Embedded Program Tracer
Embedded performance monitor
Core:
Big/little endian
Static/Dynamic branch prediction
BTB size: 32/64/128/256 entries
2/3 nested interrupt levels
16/32 GPRs
2R1W/3R2W register file
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13. Summary Embedded computers are all around us.
Many systems have complex embedded hardware and software.
Embedded systems pose many design challenges: design time, deadlines, power, etc.
Design methodologies help us manage the design process.
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14. Thank You!!!