5.2.6.6.5 4:2:0 Planar Mode Frame Buffer Memory Mapping

In Planar mode, the three video components Y, Cr and Cb are split into three memory areas and stored in a raster-scan order. These three memory planes are always aligned on a 32-bit boundary.

Table 5-40. 4:2:0 Planar Mode Luma Memory Mapping, Little Endian Organization for Byte 0x0, 0x1, 0x2, 0x3
Mem addr0x30x20x10x0
Bit313029282726252423222120191817161514131211109876543210
Pixel 12 bppY3[7:0]Y2[7:0]Y1[7:0]Y0[7:0]
Table 5-41. 4:2:0 Planar Mode Luma Memory Mapping, Little Endian Organization for Byte 0x4, 0x5, 0x6, 0x7
Mem addr0x70x60x50x4
Bit313029282726252423222120191817161514131211109876543210
Pixel 12 bppY7[7:0]Y6[7:0]Y5[7:0]Y4[7:0]
Table 5-42. 4:2:0 Planar Mode Chroma Memory Mapping, Little Endian Organization for Byte 0x0, 0x1, 0x2, 0x3
Mem addr0x30x20x10x0
Bit313029282726252423222120191817161514131211109876543210
Pixel 12 bppC3[7:0]

C3=Cr/Cb

C2[7:0]

C2=Cr/Cb

C1[7:0]

C1=Cr/Cb

C0[7:0]

C0=Cr/Cb

Table 5-43. 4:2:0 Planar Mode Chroma Memory Mapping, Little Endian Organization for Byte 0x4, 0x5, 0x6, 0x7
Mem addr0x70x60x50x4
Bit313029282726252423222120191817161514131211109876543210
Pixel 12 bppC7[7:0]

C7=Cr/Cb

C6:[7:0]

C6=Cr/Cb

C5[7:0]

C5=Cr/Cb

C4[7:0]

C4=Cr/Cb