C280x cmd file - const definition in RAM

MEMORY
{
    PAGE 1:
        nodeIdAddress : origin = 0x3d8000, length = 0x000001
}

SECTIONS
{
    nodeIdAddress :> nodeIdAddress    PAGE = 1
}

variable definition in .c file
#pragma DATA_SECTION("nodeIdAddress")
const volatile uint16 nodeId = 121;