MSP430 IAR C/C++ Compiler reference guide - Rice University

Descriptions of segmentsDATA20_ACDescriptionHolds __data20 located constant data.Because the location is known, this segment does not have to be specified in the linkercommand file. Located means being placed at an absolute location using the @ operatoror the #pragma location directive.DATA20_ANDescriptionHolds __no_init __data20 located data.Because the location is known, this segment does not have to be specified in the linkercommand file. Located means being placed at an absolute location using the @ operatoror the #pragma location directive.DATA20_CDescriptionSegment memory typeMemory placementAccess typeHolds __data20 constant data.CONST0x00001–0xFFFFERead-onlyDATA20_HEAPDescriptionSegment memory typeMemory placementAccess typeHolds the heap used for dynamically allocated data in data20 memory, in other wordsdata allocated by data20_malloc and data20_free, and in C++, new and delete.DATA0x00001–0xFFFFERead/writeSee also The heap, page 39 and New and Delete operators, page 106.246MSP430 IAR C/C++ CompilerReference Guide