5.7 DQ
Define constant quad-word(s) in program memory and EEPROM.
This directive is very similar to the DW directive, except it is used to define 64-bit (quad-word). The data layout in memory is strictly little-endian.
LABEL: .DQ expressionlist
.ESEG
eevarlst: .DQ 0,0xfadebabedeadbeef, 1 << 62