Document
S1D2514X01
Preliminary VIDEO AMP MERGED OSD PROCESSOR FOR MONITORS
VIDEO AMP MERGED OSD PROCESSOR
The S1D2514X01 is a very high frequency video amplifier & wide range OSD processor 1 chip system with I2C Bus control used in monitors. It contains 3 matched R/G/B video amplifiers with OSD processor and provides flexible interfacing to I2C Bus controlled adjustment systems.
32-DIP-600A
www.DataSheet4U.com FUNCTIONS
ORDERING INFORMATION
Device S1D2514X01-D0B0 Package 32-DIP-600A Operating Temperature -20 °C − +75 °C
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R/G/B video amplifier OSD processor I C bus control Cut-off brightness control R/G/B sub contrast/cut-off control Half tone
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FEATURES
VIDEO AMP PART • • 3-channel R/G/B video amplifier, 150MHz @f-3dB I2C bus control items — Contrast control: -38dB - Sub contrast control for each channel: -12dB - Brightness control - OSD contrast control: -38dB - Cut-off brightness control (AC coupling) - Cut-off control for each channel (AC coupling) - Switch registers for SBLK and video half tone and CLP/BLK polarity selection and INT/EXT CLP selection Built in ABL (automatic beam limitation) Built in video input clamp, BRT clamp Built in video half tone (3mode) function on OSD pictures Capable of 8.0Vp-p output swing Improvement of rise & fall time (2.2ns) Cut-off brightness control Built in blank gate with spot killer Clamp pulse generator OSD intensity BLK, CLP polarity selection Clamp gate with anti OSD sagging • • • • • OSD PART • • • • • • • Built in 1K-byte SRAM 256 ROM fonts (each font consists of 12 × 18 dots.) Full screen memory architecture Wide range PLL available (15kHz — 90kHz, Reference 800 X 600) Programmable vertical height of character Programmable vertical and horizontal positioning Character color selection up to 16 different colors (in a units of character) Programmable background color (up to 16 colors) Character blinking and shadowing Character scrolling 72MHz pixel frequency from on-chip PLL (Reference 800 ± 600) Full white pattern generation function
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Preliminary VIDEO AMP MERGED OSD PROCESSOR FOR MONITORS
S1D2514X01
BLOCK DIAGRAM
6 31 9 16 2 RAM Data Ctrl Data 16 CLK Frame Ctrl H_Pulse V_Pulse ROM Ctrl H/V/CLK Ctrl R/G/B OSD H/V/CLK Ctrl FBLK Intensity Timing Controller Frame Ctrl ROM Ctrl 32
VDDA VSSA
(448 x 18 x 12) VSS 28
Font Data 12
(480 x 16) ROM Address Ctrl Font
HFLB VFLB VCO_IN_P
www.DataSheet4U.com VCC3 11
Output Stage GND3
9 Display Ctrl
Display Control
OSD
1 3
Latches
I C bus decoder D/A
2
30 29
SDA SCL
VREF1
4
Band Gap.Ref VREF
5
Multi (3 mode) Half Tone
RGB OSD FBL BLK INTE HT DET. CLP
BLK Int Clamp Pulse Gen.
R cut off G cut off
V/I V/I V/I
27 26 25
RCT GCT BCT
HFLB B cut off
ABL CONT_CAP
8 7
ABL
10
CLP_IN
RIN 12 GND1 15
Video Input Clamp
CLP
Video Half Tone SW
FBLK I2 C
Sub Cont. Control
I2 C
Video Contrast
+
Sub Cont. Control
Amp Out BLK
24
R OUT VCC2
22
R OSD
OSD Input Cilp.
HT DET.
OSD Half Tone SW
FBLK I2 C
OSD Cont. Co.