KB2502 View Datasheet(PDF) - Samsung
Part Name
Description
MFG CO.
KB2502 Datasheet PDF : 62 Pages
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KB2502
BLOCK DIAGRAM
Preliminary
VIDEO AMP MERGED OSD PROCESSOR FOR MONITORS
VDD 31
VSS 28
VCC3 11
GND3 9
VREF1 4
VREF 5
ABL 8
ROM
(448 x 18 x 12)
Font Data 12
Output Stage
9
ROM
Address
ROM
(480 x 16)
Ctrl Font
16
RAM Data
Ctrl Data
Data Receiver
16
CLK
Display Ctrl
Display
Controller
Frame Ctrl
H_Pulse
V_Pulse
ROM Ctrl Control
Register
OSD
PLL
Band
Gap.Ref
ABL
R/G/B OSD H/V/CLK Ctrl H/V/CLK Ctrl
FBLK
Intensity Timing Controller Frame Ctrl
ROM Ctrl
Latches
I2C bus
decoder D/A
RGB OSD
Multi (3 mode)
Half Tone
FBL BLK
INTE
BLK
Int
R cut off
V/I
HT DET.
Clamp
G cut off
V/I
CLP
Pulse HFLB
Gen.
B cut off
V/I
CONT_CAP 7
RIN 12
GND1 15
Video
Input
Clamp
CLP
R OSD
VCC1 13
OSD
Input
Cilp.
HT DET.
Video
Half Tone
SW
FBLK
I2C
Sub
Cont.
Control
I2 C
OSD
Half Tone
SW
FBLK
I2C
OSD
Cont.
Control
I2 C
Video
Contrast
+
Sub
Cont.
Control
Amp
Out
BLK
I2C Cont. Cntl
Birght
Control
I2C CLP
GIN 14
G OSD
BIN 16
B OSD
CLP HT DET. FBLK
CLP HT DET. FBLK
G-CHANNEL
B-CHANNEL
I2C
CLP BLK
I2C
CLP BLK
6 VDDA
2 VSSA
32 HFLB
1 VFLB
3 VCO_IN_P
30 SDA
29 SCL
27 RCT
26 GCT
25 BCT
10 CLP_IN
24 R OUT
22 VCC2
23 R CLP
19 GND2
20 G CLP
21 G OUT
17 B CLP
18 B OUT
Figure 1. Functional Block Diagram
2
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