Samsung S3C2440A User Manual

Page 138

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S3C2440A RISC MICROPROCESSOR

THUMB INSTRUCTION SET

4-17

INSTRUCTION CYCLE TIMES

All instructions in this format have an equivalent ARM instruction. The instruction cycle times for the THUMB
instruction are identical to that of the equivalent ARM instruction.

EXAMPLES

LDR R3,[PC,#844]

; Load into R3 the word found at the address

formed by adding 844 to PC.bit[1] of PC is forced to zero.

Note that the THUMB opcode will contain 211 as the

Word8

value.

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