Instruction manual
Description of the data path
MARLIN Technical Manua
l
Page 45
The input value is the 10-bit value from the digitizer. The LUT outputs the most significant
8 Bit.
Because gamma correction is also implemented via the lookup table, it is not possible to
use a different LUT when gamma correction is switched on.
8.6.1 Loading a LUT into the camera
Loading the LUT is carried out through the data exchange buffer called GPDATA_BUFFER. Because
the buffer can hold a maximum of 2 kB and a complete LUT at 1024 x 8 bit (1 kB), programming
can take place in a one block write step. The flow diagram on the next page shows the few steps
required to load data into the camera.
Figure 29: Loading a LUT