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Meaning of :LNOT::DEF:RAM_TARGET

Hi,

I am working on Freescale ARM Cortex M4 device MK60N512VMD100 using IDE Keil uVision v4.50.0.0

In example code startup.s file it has this statement

IF :LNOT::DEF:RAM_TARGET

What does it means ????

Complete code is

IF :LNOT::DEF:RAM_TARGET
AREA |.ARM.__at_0x400|, CODE, READONLY
DCB BackDoorK0, BackDoorK1, BackDoorK2, BackDoorK3
DCB BackDoorK4, BackDoorK5, BackDoorK6, BackDoorK7
DCB FPROT0, FPROT1, FPROT2, FPROT3
DCB FSEC, FOPT, FEPROT, FDPROT
ENDIF

Please advice

Thanks and Best Regards
Waseem

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