Do you think it's possible to create a FBAS (or NTSC) signal with the Teensy 3.2 (Or, better Teensy LC) with minimum Hardware ?
- It would get the pixel-data (4 BIT/Pixel) via SPI in almost "realtime" (some buffering will be needed).
- PAL 312 Lines / about 500 Pixel per line
Any Hints ? I guess the best way would be to use DMA to the pins, with resistors to form a R2R DAC.
Or, is the Teensy-inbuilt-DAC fast enough ?
- It would get the pixel-data (4 BIT/Pixel) via SPI in almost "realtime" (some buffering will be needed).
- PAL 312 Lines / about 500 Pixel per line
Any Hints ? I guess the best way would be to use DMA to the pins, with resistors to form a R2R DAC.
Or, is the Teensy-inbuilt-DAC fast enough ?
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