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參數資料
| 型號： | PCA8514T |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | Stand-alone OSD |
| 中文描述： | 單機OSD |
| 文件頁數： | 17/64頁 |
| 文件大?。?/td> | 322K |
| 代理商： | PCA8514T |
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1995 Nov 27
17
Philips Semiconductors
Product specification
Stand-alone OSD
PCA8514
9.3.2
C
ARRIAGE
R
ETURN
C
ODE ATTRIBUTES
Command 2 when used in conjunction with the Carriage
Return Code (7EH) determines the size of characters to be
displayed on the next line, sets the spacing between lines
of characters and enables/disables the display.
The character size is also a function of the TV scanning
standard being used and f
OSD
; this is explained in
Chapter 12.
Table 13
Selection of character size
Table 14
Selection of line spacing
Table 15
End of display control
9.3.3
S
PACE
C
ODE ATTRIBUTES
Command 2 when used in conjunction with the Space
Code (7FH) selects the background colour of characters in
Box shadowing or North-West shadowing modes and also
controls the Active Character Monitor pin. The ACM pin will
remain active until a Space Code is received that resets
the ACM bit to logic 0. The ACM timing diagram is shown
in Fig.10.
T4
T3
CHARACTER DOT SIZE
0
0
1
1
0
1
0
1
1H/1V (the default size)
2H/2V
3H/3V
4H/4V
T2
T1
LINE SPACING
(BETWEEN TWO ROWS)
0
0
1
1
0
1
0
1
0H line
4H line
8H line
12H line
T0
DISPLAY CONTROL
0
Continue to display next character. This
is also the default setting.
End of display.
1
Table 16
Selection of Background colour
Table 17
ACM control
T4
T3
T2
T1
R
G
B
I
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
T0
ACM PIN
0
The ACM pin is inactive; this is also the
default setting.
The ACM function is active for all
characters displayed following this Space
Code.
1
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