Mermaid Technology 181 - Manual (Page 14)

mermaid ventura 170/181 TFT Video Models - Users Manual Version 1.0a
Page 14 of 14
Appendix D: Video Mode Support
The ventura 170 TFT and ventura 181 TFT support any video mode at inputs within the following
ranges:
•
The signal sample frequency on the input ≤ 80MHz
•
The horizontal sync frequency between 30KHz and 60KHz
The modes are detected when presented to the input and previous alignments for setup are
automatically recalled. A true multi-sync monitor emulation is implemented.
The factory preset supported modes include:
Mode Resolution Refresh rate H-freg. Pixel freq. Remarks
VGA 640 x 350 70Hz 31.47KHz 25.175MHz VESA Standard
VGA 720 x 400 59.940Hz 31.469KHz 25.175MHz IBM VGA 3H
VGA 640 x 480 60Hz 31.5KHz 25.175MHz Industry Standard
VGA 640 x 480 72Hz 37.9KHz 31.500MHz VESA Standard
VGA 640 x 480 75Hz 37.5KHz 31.500MHz VESA Standard
SVGA 800 x 600 60Hz 37.9KHz 40.000MHz VESA Standard
SVGA 800 x 600 72Hz 48.1KHz 50.000MHz VESA Standard
SVGA 800 x 600 75Hz 46.9KHz 49.500MHz VESA Standard
XGA 1024 x 768 60Hz 48.5KHz 65.000MHz VESA Standard
XGA 1024 x 768 70Hz 56.5KHz 75.000MHz VESA Standard
XGA 1024 x 768 75Hz 60KHz 78.750MHz VESA Standard
SXGA 1280 x 1024 60Hz 64KHz 108.000MHz VESA Standard