Instruction Cycle Times - Samsung S3C2500B User Manual

S3C2500B

3.33.2 INSTRUCTION CYCLE TIMES

All instructions in this format have an equivalent ARM instruction as shown in Table 3-21. The instruction cycle
times for the THUMB instruction are identical to that of the equivalent ARM instruction.
Examples
PUSH
POP
{R0–R4,LR}
{R2, R6, PC}
; Store R0, R1, R2, R3, R4 and R14 (LR) at
; the stack pointed to by R13 (SP) and update R13.
; Useful at start of a sub-routine to
; save workspace and return address.
; Load R2, R6 and R15 (PC) from the stack
; pointed to by R13 (SP) and update R13.
; Useful to restore workspace and return from sub-routine.
INSTRUCTION SET
3-89