MEMORY { FLASH : ORIGIN = 0x00000000, LENGTH = 630K SRAM0 : ORIGIN = 0x20000000, LENGTH = 64K SRAM1 : ORIGIN = 0x20010000, LENGTH = 64K SRAM2 : ORIGIN = 0x20020000, LENGTH = 64K SRAM3 : ORIGIN = 0x20030000, LENGTH = 64K }