KA2500 데이터 시트보기 (PDF) - Samsung
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KA2500 Datasheet PDF : 28 Pages
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KA2500
I2C BUS CONTROLLED R/G/B VIDEO AMPLIFIER FOR MONITORS
I2C BUS Write Operation
SCL
transter
MSB
SDA
START
Slave address
LSB
ACK
Register address
ACK
Data byte
ACK
STOP
Register Description
Register Sub Address (Slave address: DCH)
Sub Address
(Hex)
Register Names
00
Contrast control
01
Brightness control (3-ch)
02
SUB Contrast control (R)
03
SUB Contrast control (G)
04
SUB Contrast control (B)
05
OSD Contrast control
06
Cut-off Brightness control
07
Cut-off control (R)
08
Cut-off control (G)
09
Cut-off control (B)
0A
HS2 l HS1 l CS3 l CS2 l CS1 l CT l HT l SBLK
DAC bits
8 bits
8 bits
8 bits
8 bits
8 bits
8 bits
8 bits
8 bits
8 bits
8 bits
Int. value (Hex)
80
80
80
80
80
80
80
80
80
80
20
HT: Video & OSD Half Tone ctrl switch (1: ON, 0: OFF)
HS2/HS1: OSD Raster Color Switch for Video Half Tone (HT = 1)
HS2
HS1
OSDR
OSDG
0
0
0
0
0
1
0
1
1
0
0
0
1
1
0
1
CT: Cut-off Control INT/EXT (0:INT/1: EXT) select switch (DC/AC mode)
CS1/CS2/CS3/: 80/160/320uA Cut-Off ctrl EXT offset current Switch (CT = 1)
SBLK: Soft Blanking switch (1: ON, 0: OFF)
OSDB
0
0
1
1
Half Tone
Black
Green
Blue
Cyan
16
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