STV9937 Datasheet, PDF (1/49 Pages) STMicroelectronics – 120-MHz On-Screen Display for Monitors including PictureBooSTTM and 4 True Independent Window Displays

®
STV9937
120-MHz On-Screen Display for Monitors including
PictureBooST^TM and 4 True Independent Window Displays
Main Features
■ Horizontal frequency up to 150 kHz
■ I²C interface for microcontrollers with slave
address BA(h) in Read and Write modes
PictureBoost^ä
■ Pixel clock (F_PIXEL1) for the PictureBooSTä
(PB) from 30 to 60 MHz synchronised either
on Hsync or on Hfly: CLK1
■ Window position programmable by RGB or
I²C interface
■ Video Analog inputs with comparator on
three channels
■ Three 8 bit registers for other data,
programmable by RGB
OSD
■ On-chip Pixel Clock Generator (F_PIXEL2) from
7.68 MHz to 120 MHz, CLK2
■ OSD clock synchronized on Hsync or Hfly
■ Programmable horizontal resolutions from
384 to 1524 dots per scan line
■ 4 independent windows all with character
display
■ Overlapping windows with automatic control
of display priorities and scrolling menu
effects
■ Independent and programmable displays,
positions and sizes for each window
■ Transparent or 8 programmable background
colors for each window
■ Window size up to 16 rows of 32 characters
■ Each window has its own bordering or
shadowing effects with programmable color,
height and width
■ Each window can be separately erased
■ Programmable common positioning to easily
control centered display
DATASHEET
PDIP 24 (Plastic Dual In line Shrink Package)
ORDER CODE: STV9937P/AA
■ 496 standard and 16 multi-color characters or
graphic fonts in ROM. Character fonts can be
customized using a mask-programmable
ROM
■ Characters
● Common character height and row space.
Character height from 18 to 127 lines and
space lines from 0 to 62 split above and below
character rows
● 12 x 18 dot matrix per character
● Display of up to 640 characters
● Programmable shadow effects for characters
in each separate window
● 32 programmable background, foreground,
blinking character colors for characters (8
possibilities per window)
● 8 selectable colors for standard characters
● Transparent and 8 selectable colors for
background
■ On-Screen Effects
● Fade-in/Fade-out effects
● Possibility of full-screen display with a
selectable color
February 2004
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