Synchronization; 4.2.2.1 Mode Detection; Table 2. Video Mode Definitions - Planar LC08 Product Specification

4.2.2

Synchronization

Sync pulses for horizontal and vertical are TTL levels. Figure 9 defines the allowable levels and drive
current requirements.

4.2.2.1 Mode Detection

The polarity of incoming horizontal/vertical frequencies and synchronization pulses define the video
resolution being presented. Available video modes are listed in Table 2 below.
Video
Mode
IBM VGA
IBM VGA
VESA

Table 2. Video Mode Definitions

Title: Product Specification – LC08 High-Bright Monitor
Document Number: 023-0283-00
Displayed Scanning Frequency
Image
Resolution
Horizontal
640x400 31.468KHz
640x480 31.468KHz
800x600 48.077KHz
Sync Polarity
Vertical Horizontal
70Hz -
60Hz -
72Hz +
Vertical
+
-
+
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