43.7.66 ISC Subsampling 4:2:2 to 4:2:0 Control Register
This register can only be written if WPCREN is cleared in ISC_WPMR.
| Name: | ISC_SUB420_CTRL |
| Offset: | 0x4F0 |
| Reset: | 0x00000000 |
| Property: | Read/Write |
| Bit | 31 | 30 | 29 | 28 | 27 | 26 | 25 | 24 | |
| Access | |||||||||
| Reset |
| Bit | 23 | 22 | 21 | 20 | 19 | 18 | 17 | 16 | |
| Access | |||||||||
| Reset |
| Bit | 15 | 14 | 13 | 12 | 11 | 10 | 9 | 8 | |
| Access | |||||||||
| Reset |
| Bit | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 | |
| MIPI420 | FILTER | ENABLE | |||||||
| Access | R/W | R/W | R/W | ||||||
| Reset | 0 | 0 | 0 |
Bit 5 – MIPI420 MIPI YUV 420 8-bpp or 10-bpp Even Odd Splitter
| Value | Description |
|---|---|
| 0 |
Normal mode. |
| 1 |
When the MIPI interface is selected and the source format is YUV 420 RMS (recommended memory storage), the sub420 submodule routes data lanes depending on the parity of the line received (odd or even). |
Bit 4 – FILTER Interlaced or Progressive Chrominance Filter
| Value | Description |
|---|---|
| 0 | Progressive filter {0.5, 0.5}. |
| 1 | Field-dependent filter, top field filter is {0.75, 0.25}, bottom field filter is {0.25, 0.75}. |
Bit 0 – ENABLE 4:2:2 to 4:2:0 Vertical Subsampling Filter Enable (Center Aligned)
| Value | Description |
|---|---|
| 0 | Subsampler disabled. |
| 1 | Subsampler enabled. |