HD66787 Datasheet, PDF (39/159 Pages) Renesas Technology Corp – 528-channel, One-chip Driver with 262,144-color Display RAM and Power Supply Circuit for Low-temperature Poli-Si TFT (LTPS-TFT) Panels with Incorporat

HD66787
Preliminary
followed by display operation. After displaying the number of raster-rows set with NL bits, the front porch
starts. After the front porch, a blank period ensues until an input of next VSYNC signal.
FP and BP
FP3 FP2 FP1 FP0 Number of lines for the Front Porch
BP3 BP2 BP1 BP0 Number of lines for the Back Porch
0
0
0
0
Setting disabled
0
0
0
1
Setting disabled
0
0
1
0
2
0
0
1
1
3
0
1
0
0
4
⋅
⋅
⋅
⋅
1
1
0
0
12
1
1
0
1
13
1
1
1
0
14
1
1
1
1
Setting disabled
VSYNC
Back porch
Display area
Front porch
Note: The output timing to the LCD panels is delayed two raster-
rows from the input of synchronization signal.
External display interface
Rev.0.22, May.23.2003, page 39 of 159