Philips Semiconductors
Microcontrollers for TV tuning
control and OSD applications
handbook, full pagewidth
Preliminary specification
PCA84C646; PCA84C846
R
G
B
I
FB
ACM
SP code
"S" : red colour
"I" : green colour
"Z" : G+B+I colour
"E" : B+I colour
1st SP code : ACM = on
2nd SP code : ACM = off
Fig.14 R, G, B and FB timing.
SP code
MED204
handbook, full pagewidth
line spacing 1 = 4H
line spacing 2 = 8H
Vstart
H I ! SP T H I S SP I S CR
CR
T H E SP
F UNC
I N SP P
S t Hstart
SP W E L
NEW
CR
T I ON
CF8 5
an
C OME
CR
CX
d
CR
XX
a
line spacing 3 = 0H
line spacing 4 = 0H
CR
line spacing 4 = 4H
l
CR
line spacing 6 = 0H
Volume Channel
Four different background colours (in box shadowing mode):
Black
Red
Green
Blue
Fig.15 On-screen-display (an example).
MED205
1995 Jun 15
21