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Chap_2Lesson13EmsysNew - ADVANCED PROCESSOR ARCHITECTURES...

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2008 Chapter-2 L13: "Embedded Systems - " , Raj Kamal, Publs.: McGraw-Hill Education 1 ADVANCED PROCESSOR ARCHITECTURES AND MEMORY ORGANISATION Lesson-13: ARM Instruction Set Instruction Set
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2008 Chapter-2 L13: "Embedded Systems - " , Raj Kamal, Publs.: McGraw-Hill Education 2 Features Features Two Instruction Sets 16-bit Thumb and 32-bit ARM mode instructions Operations on 8-bit or 16-bit or 32-bit data types Data alignment in memory: Two byte words in Thumb set and Four in 32-bit ARM mode
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2008 Chapter-2 L13: "Embedded Systems - " , Raj Kamal, Publs.: McGraw-Hill Education 3 ARM7 instruction set: Data Transfer ARM7 instruction set: Data Transfer Instructions Instructions Register-load a byte ( LDRB ). Register- byte store ( STRB ). Register Half Word store ( STRH ). [A word in ARM is of 32 bits]. Register-load Half Word as such or signed ( LDRH or LDRSH ).
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