ARM7 Architecture What We Have Learned up to Now.

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Presentation transcript:

ARM7 Architecture What We Have Learned up to Now

Background The company (Acorn) From ARM1 to ARM7 Naming conventions ARM in industry Case of Swedish students

ARM7 Block Diagram

ARM7 Functional Diagram

ARM7 Processor Modes

ARM7 Registers

ISA Summary

ISA Characteristics A small number of highly flexible instruction types Consistent instruction data formats Barrel shifter to perform arbitrary shifts within the same cycle, at no speed penalty Conditional execution on every instruction to eliminate many branches Load and store multiple instructions for rapid context switching and memory transfer

Condition Codes

Branch

Data Processing

Multiply

Data Transfer

Single Data Swap

Software Interrupt

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