TTL monochrome monitor is applied in 1981 by IBM display standard, TTL monitor can not display graphics, it is only a single black text display mode, you can display 25 lines of 80 characters of text, TTL monochrome display theory provides 720 * 350 resolutionThe contents of general simulation mainly to the performance of the graphics display by ANSI codes.
TTL display common nine-pin connector Pin:
8 line frequency
9 field frequency
Type: digital signal, TTL signal
Resolution: 720 * 350
Horizontal Frequency: 18.432Khz
Field frequency: 50Hz
TTL display alternative: KTV148 monitors are connected to the ground in order, according to the automatic identification of key can be replaced after the video line, row H line, V-field line.
Video Standard Support: MDA, CGA, EGA, VGA, RGB, RGBS, RGB sog, RGBHV signal
Video input interface: 3-pin, 4-pin, 6-pin, 9-pin, 12-pin, 15-pin three-row, double row 15-pin, 20-pin, 25-pin connector, such as irregular signals, including signals for a variety of BNC port