1997 Mar 03

9

Philips Semiconductors

Objective specification

Stand-alone OSD for monitor applications

PCB8517

Table 10 Explanation of Table 9

Table 11 Columns 1, 4 and 7 of row 10

Table 12 Explanation of Table 11

Table 13 Columns 2, 5 and 8 of row 10

Table 14 Explanation of Table 13

Table 15 Column 9 of row 10

BIT

NAME

DESCRIPTION

7to4

−

These bits specify which row is the start of window.

3to0

−

These bits specify which row is the end of window.

DATA BYTE

BIT 7

BIT 6

BIT 5

BIT 4

BIT 3

BIT 2

BIT 1

BIT 0

MSB

column start address

LSB

WEN

CCS1

reserved

BIT

NAME

DESCRIPTION

7to3

−

These bits specify which column is the start of the window.

2

WEN

When this bit is set to logic 1 the corresponding window background is enabled.

1

CCS1

When this bit is set to logic 1, the characters resided within this particular window can

have two extra colour selections (i.e. colour 2 and colour 3); see Section “Display

buffers”.

DATA BYTE

BIT 7

BIT 6

BIT 5

BIT 4

BIT 3

BIT 2

BIT 1

BIT 0

MSB

column end address

LSB

WR

WG

WB

BIT

NAME

DESCRIPTION

7to3

−

These bits specify which column is the end of the window.

2 to 0

WR, WG, WB These bits define the colour of the window.

DATA BYTE

BIT 7

BIT 6

BIT 5

BIT 4

BIT 3

BIT 2

BIT 1

BIT 0

reserved

MSB

vertical start position

LSB