DADA SOM/DADA Hardware/Peripherals/DSS
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| 2025/09/01 | First release | ||
Peripheral Display Subsystem[edit | edit source]
The Display Subsystem (DSS) - in the DADA SOM - is a flexible, multi-pipeline subsystem that supports high-resolution display outputs. Display outputs can connect seamlessly to an Open LVDS Display Interface transmitter (OLDITX), or can directly drive device pads as a Display Parallel Interface (DPI).
Description[edit | edit source]
The Display Subsystem module includes the following features:
- Two display outputs
- up to 24-bit per pixel parallel or embedded sync output
- up to 200MHz pizel clock
- supports
- 1920x1080@60 fps
- 1x 2048x1080 + 1x 1280x720
- RGB/YUV422 modes
- Progressive/interlaced modes
- two display pipelines support 2x Open LVDS Interface 4-data/1clk link (either shared to provide a 4K display or mirroring the same display - independent displays on each OLDI are not supported)
- Two input display processing pipelines
- one video pipeline supporting full RGB and 8/10-bit YUV data formats capable of 0.25x to 16x resizing
- one video_lite pipeline supporting full RGB and 8/10 YUV data formats (no resizing support)
- Two Overlay Managers with multi-layer alpha blending
- One DMA controller capable of supporting up to 2K input source width
- On-the-fly X/Y-axis Flip/Mirror mode support
