38.6.4.16 25 bpp Memory Mapping, ARGB 1:8:8:8

Table 38-28. 25 bpp Memory Mapping, Little Endian Organization
Mem address0x30x20x10x0
Bit313029282726252423222120191817161514131211109876543210
Pixel 25 bppA0R0[7:0]G0[7:0]B0[7:0]