NT68520XF Datasheet, PDF (29/97 Pages) List of Unclassifed Manufacturers – XGA,SXGA Flat Panel Monitor Controller

Interrupt Control
Detect Rising Edge
Flags
Enables
INT_H
INT_V
INT_HP
INT_VP
INT_FM
INT_OVER
INT_UNDER
Edge Detect
Edge Detect
Edge Detect
Edge Detect
Edge Detect
Edge Detect
Edge Detect
INT_H
INTH_EN
INT_V
INTV_EN
INT_HP
INTHP_EN
INT_VP
INTVP_EN
OR
INT_FM
INTFM_EN
INT_OVER
INTOVER_EN
INT_UNDER
INTUNDER_EN
Clear Flags
IRQn Interrupt Source
NT68520X,E
IRQn
INTHV_IR
Q
INT_HP
INT_VP
INT_FM
INT_H
INT_V
Meaning
Action
H-Polarity
Change
INT
V-Polarity
Change
INT
Fast-Mute
INT
Hsync
Edge INT
Vsync
Edge INT
It will be activated when the Input Polarity of Hsync
changes.
It will be activated when the Input Polarity of Vsync
changes.
It will be activated when the Fast-Mute block detects an
actable Hsync period.
It will be activated when the Hsync edge is matched with
the selected trigger edge.
It will be activated when the Vsync edge is matched with
the selected trigger edge.
OSD Function
The NT68520 supports internal OSD with the following features:
1. Max frame size 320 font (640-byte SRAM)
2. 128 ROM Font, 64 RAM Font (12-dot x 18-dot for each font)
3. Four windows Control
4. Horizontal/Vertical zoom control
5. 16 palettes with 5-bit resolution for each R/G/B color
6. Shadow/Border/Blinking effect
2003/4/15
29
Ver.1.0