39.4.2.1.6 16-bpp Memory Mapping with 4-bit Alpha Channel, ARGB 4:4:4:4

Table 39-12. 32-bpp Final Color Used at the Input of the Alpha Blending Stage with Color Expansion
Mem. addr. 0x3 0x2 0x1 0x0
Bit 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
1st pixel A0[3:0] A0[3:0] R0[3:0] R0[3:0] G0[3:0] G0[3:0] B0[3:0] B0[3:0]
2nd pixel A1[3:0] A1[3:0] R1[3:0] R1[3:0] G1[3:0] G1[3:0] B1[3:0] B1[3:0]