FLASH:  START=0     LENGTH=0x200000
    RAM:    START=0x10000000    LENGTH=0x80000
    ROM:    START=0x1FFF0000    LENGTH=0x8000
    SFR_P:  START=0x40000000    LENGTH=0x08000
    SFR_KP: START=0x40200000    LENGTH=0x1000
    SFR_GPIO:   START=0x50000000    LENGTH=0x200000