PCA8514 데이터 시트보기 (PDF) - Philips Electronics

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PCA8514

Stand-alone OSD

Philips Electronics 

Philips Semiconductors

Stand-alone OSD

Product specification

PCA8514

9.3.2 CARRIAGE RETURN CODE 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 fOSD; this is explained in

Chapter 12.

Table 13 Selection of character size

T4

T3

CHARACTER DOT SIZE

0

0

1H/1V (the default size)

0

1

2H/2V

1

0

3H/3V

1

1

4H/4V

Table 14 Selection of line spacing

T2

T1

LINE SPACING

(BETWEEN TWO ROWS)

0

0

0H line

0

1

4H line

1

0

8H line

1

1

12H line

Table 15 End of display control

T0

DISPLAY CONTROL

0

Continue to display next character. This

is also the default setting.

1

End of display.

Table 16 Selection of Background colour

T4

T3

T2

T1

R

G

B

I

0

0

0

0

0

0

0

1

0

0

1

0

0

0

1

1

0

1

0

0

0

1

0

1

0

1

1

0

0

1

1

1

1

0

0

0

1

0

0

1

1

0

1

0

1

0

1

1

1

1

0

0

1

1

0

1

1

1

1

0

1

1

1

1

Table 17 ACM control

T0

ACM PIN

0

The ACM pin is inactive; this is also the

default setting.

1

The ACM function is active for all

characters displayed following this Space

Code.

9.3.3 SPACE CODE 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.

1995 Nov 27

17

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