LC78011E Datasheet, PDF (12/13 Pages) Sanyo Semicon Device – Digital RGB Encoder IC for Video CD and CD-G

• Data input timing
RGB input (24 bits)
LC78011E
YCbCr (YUV) input (24 bits)
Y (8 bits), CbCr (8 bits) multiplexed input
5. OSD input (on-screen display data input)
The LC78011E provides an OSD signal RGB input function. Four input signals are required: the 3 bits of R, G, and B
data and the BLANK pin input signal, which is used for OSD switching.
R (OSRIN: pin 38) G (OSGIN: pin 37) B (OSBIN: pin 36) OSBLK (pin 39) OSD display color
L=0
L=0
L=0
L=0
Display off
L=0
L=0
L=0
H=1
Black
H=1
L=0
L=0
H=1
Red
L=0
H=1
L=0
H=1
Green
L=0
L=0
H=1
H=1
Blue
H=1
L=0
H=1
H=1
Magenta
H=1
H=1
L=0
H=1
Yellow
L=0
H=1
H=1
H=1
Cyan
H=1
H=1
H=1
H=1
White
Note: The white luminance level is 162, and the black and framing luminance level is 66. (When converted from the As 8-bit data values.)
• OSD timing
When no framing is used
When a frame is used (Frame color: black)
Character
Frame Character Frame
6. Signal format switching (NTSC, PAL, or PAL-M)
The NPSEL and PMSEL pin (pin 31 and 32) are used to switch the signal format.
NPSEL (pin 31) PMSEL (pin 32)
L=0
L=0
H=1
L=0
L=0
H=1
H=1
H=1
Signal format
NTSC
PAL
PAL-M
Illegal value
No. 5755-12/13