THS8200 Datasheet, PDF (20/97 Pages) Texas Instruments – ALL FORMAT OVERSAMPLED COMPONENT VIDEO/PC GRAPHICS D/A SYSTEM WITH THREE 11-BIT DACS,CGMS DATA INSERTION

• 15-bit RGB 4:4:4
CLKIN
GY[9]
GY[8]
GY[7]
GY[6]
GY[5]
GY[4]
GY[3]
GY[2]
X
R7(0)
R6(0)
R5(0)
R4(0)
R3(0)
G7(0)
G6(0)
X
R7(1)
R6(1)
R5(1)
R4(1)
R3(1)
G7(1)
G6(1)
X
R7(2)
R6(2)
R5(2)
R4(2)
R3(2)
G7(2)
G6(2)
X
R7(3)
R6(3)
R5(3)
R4(3)
R3(3)
G7(3)
G6(3)
G7(0) G7(1) G7(2) G7(3)
G6(0) G6(1) G6(2) G6(3)
G5(0) G5(1) G5(2) G5(3)
G4(0) G4(1) G4(2) G4(3)
TO CH1
G3(0) G3(1) G3(2) G3(3)
0
0
0
0
0
0
0
0
0
0
0
0
BCb[9]
BCb[8]
BCb[7]
BCb[6]
BCb[5]
BCb[4]
BCb[3]
BCb[2]
G5(0) G5(1) G5(2) G5(3)
G4(0) G4(1) G4(2) G4(3)
G3(0) G3(1) G3(2) G3(3)
B7(0) B7(1) B7(2) B7(3)
B6(0) B6(1) B6(2) B6(3)
B5(0) B5(1) B5(2) B5(3)
B4(0) B4(1) B4(2) B4(3)
B3(0) B3(1) B3(2) B3(3)
B7(0)
B6(0)
B5(0)
B4(0)
B3(0)
0
0
0
B7(1)
B6(1)
B5(1)
B4(1)
B3(1)
0
0
0
B7(2)
B6(2)
B5(2)
B4(2)
B3(2)
0
0
0
B7(3)
B6(3)
B5(3)
B4(3)
B3(3)
0
0
0
TO CH2
RCr[9]
X
X
X
X
RCr[8]
X
X
X
X
RCr[7]
X
X
X
X
RCr[6]
X
X
X
X
RCr[5]
X
X
X
X
RCr[4]
X
X
X
X
RCr[3]
X
X
X
X
RCr[2]
X
X
X
X
R7(0)
R6(0)
R5(0)
R4(0)
R3(0)
0
0
0
R7(1)
R6(1)
R5(1)
R4(1)
R3(1)
0
0
0
R7(2)
R6(2)
R5(2)
R4(2)
R3(2)
0
0
0
R7(3)
R6(3)
R5(3)
R4(3)
R3(3)
0
0
0
TO CH3
Figure 4–4. 15-Bit RGB 4:4:4 Data Format
CLKIN is equal to 1× the pixel clock. This format is only supported in VESA mode and can be used for PC graphics
applications that do not require full 8-bit resolution on each color component.
4.3 Clock Generator (CGEN)/Clock Driver (CDRV)
The clock generator/clock driver blocks generate all on-chip clocks for 4:2:2 to 4:4:4 and 2× video oversampling. The
DMAN setting controls whether the input data is 4:2:2 or 4:4:4 sampled, and whether a 30-, 20- or 10-bit interface
is used. This selection affects the clock input frequency assumed to be present on CLKIN.
4–5