BU1425AK Datasheet, PDF (17/32 Pages) Rohm – NTSC / PAL digital RGB encoder

Multimedia ICs
BU1425AK / BU1425AKV
Table 9: BU1425AK color bar input / output data
Input (8-bit hexadecimal for each)
Output (9-bit hexadecimal for each)
RGB24bit
RD GD BD
YUV (4: 2: 2)
YD UD VD
NAME&COLOR
YOUT
COUT
—
—
—
—
—
— SYNC TIP
000
—
—
—
—
—
—
— Color Burst NTSC
—
± 033
—
—
—
—
—
— Color Burst PAL
—
± 038
—
—
—
—
—
— BLANK LEVEL
—
100
00 00 00 10 80 80 BLACK (Pedestal)
072
000
00 00 FF 28 F1 6D BLUE
092
± 072
00 FF 00 90 36 22 GREEN
117
± 096
00 FF FF A9 A5 10 CYAN
138
± 0A0
FF 00 00 51 5A F0 RED
0C6
± 0A0
FF 00 FF 6A C9 DD MAGENTA
0E6
± 096
FF FF 00 D2 0E 92 YELLOW
16C
± 072
FF FF FF EB 80 80 WHITE
18C
000
∗ COUT and VOUT display the chrominance amplitude. COUT is C8H ± XXXH.
VOUT is YOUT ± XXXH.
VOUT
000
± 033
± 038
—
072
± 072
± 096
± 0A0
± 0A0
± 096
± 072
000
(4) Timing
Table 10 below shows the input and output pins related
to timing.
Table 10: BU1425AK timing-related input / output pins
Pin No.
52
51
53
27
28
16
22
50
32
33
34
29
Pin name
RSTB
VCLK
CLKSW
VSY
HSY
CDGSWB
NTB
PAL60B
INT
SLABEB
ADDH
PIXCLK
I/O
Function
I
System reset input pin
I
Clock input pin
I
Clock input mode setting pin
I/O
Vertical synchronization signal I / O pin
I/O
Horizontal synchronization signal I / O pin
I
Video-CD / CD-G mode switching pin
I
NTSC / PAL mode switching pin
I
PAL / PAL60 mode switching pin
I
Interlace / Non-interlace mode switching pin
I
Master / Slave mode switching pin
I
Pin which adds 1 line in non-interlace mode
O
1 / 2 divider output for internal clock (OSD clock)
17