39.6.13.3 YUV Mode Fetch Performance
YUV Mode | Pixels/Cycle Memory Burst Mode | Rotation Peak Random Memory Access (pixels/cycle) | Scaling Burst Mode or Rotation Optimization Is Available | |
---|---|---|---|---|
Rotation Optimization (see Note 1) |
Normal Mode | |||
32 bpp AYUV | 2 | 1 | 0.2 | Supported |
16 bpp 422 | 4 | Not Supported | Not Supported | Supported |
Note:
- Rotation optimization = System bus lock asserted on consecutive single access.
YUV Mode | Comp/Cycle Memory Burst Mode | Rotation Peak Random Memory Access (pixels/cycle) | Scaling Burst Mode or Rotation Optimization Is Available | |
---|---|---|---|---|
Rotation Optimization | Normal Mode | |||
16 bpp 422 semiplanar | 8 Y, 4 UV | 1 Y, 1 UV (2 streams) |
0.2 Y 0.2 UV (2 streams) |
Supported |
16 bpp 422 planar | 8 Y, 8 U, 8 V | 1 Y, 1 U, 1 V (3 streams) |
0.2 Y, 0.2 U, 0.2 V (3 streams) |
Supported |
12 bpp 4:2:0 semiplanar | 8 Y, 4 UV | 1 Y, 1 UV (2 streams) |
0.2 Y 0.2 UV (2 streams) |
Supported |
12 bpp 4:2:0 planar | 8 Y, 8 U, 8 V | 1 Y, 1 U, 1 V (3 streams) |
0.2 Y, 0.2 U, 0.2 V (3 streams) |
Supported |
YUV Mode | Pix/Cycle Memory Burst Mode | Rotation Peak Random Memory Access (pixels/cycle) | Scaling Burst Mode or Rotation Optimization Is Available | |
---|---|---|---|---|
Rotation Optimization | Normal Mode | |||
16 bpp 422 semiplanar | 4 | 0.66 | 0.132 | Supported |
16 bpp 422 planar | 4 | 0.5 | 0.1 | Supported |
12 bpp 4:2:0 semiplanar | 5.32 | 0.8 | 0.16 | Supported |
12 bpp 4:2:0 planar | 5.32 | 0.66 | 0.132 | Supported |