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S5D2508A Datasheet

  • S5D2508A

  • OSD PROCESSOR FOR MONITOR

  • 24頁(yè)

  • SAMSUNG   SAMSUNG

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OSD PROCESSOR FOR MONITOR
S5D2508A01
OVERVIEW
The S5D2508A01 is used to display some characters or sym-
bols on a screen of monitor. Basically, the operation is to con-
trol the internal memory on chip and generate the R,G,B signals
for some characters or symbols. The R,G,B signals are syn-
chronized with the horizontal sync. Then the R,G,B signals are
mixed with the main video signal in the Video Amp IC.
The font data for characters or symbols are stored in the inter-
nal ROM. This stored data are accessed and controlled by the
control data from a micro controller. The control data are trans-
mitted through the I
2
C bus. All timing control signals including
the system clock are synchronized with the horizontal sync.
Therefore there is a PLL circuitry on chip.
16-DIP-300
FEATURES
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256 ROM fonts (Each font consists of 12 x 18
dots.)
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Full Screen Memory Architecture
Wide range PLL available (15 kHz 鈥?120 kHz)
Programmable vertical height of character
Programmable vertical and horizontal positioning
Character color selection up to 16 different colors
Programmable background color (Up to 16 colors)
Character blinking, bordering and shadowing
Color blinking
Character scrolling
Fade-in and fade-out
Box drawing
Character sizing up to four times
96 MHz pixel frequency from on-chip PLL
ORDERING INFORMATION
Device
Package
Operating Temperature
0
擄C
鈥?70
C
擄
S5D2508A01-D0B0 16-DIP-300
IIC Protocol Data Transmission (Slave Address : BAH)
1

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