SAA6721 datasheet(39/72 Pages) PHILIPS

39 / 72 page

1999 May 11

Philips Semiconductors

Preliminary speciﬁcation

SXGA RGB to TFT graphics engine

SAA6721E

OVERLAY VERTICAL SYNC START

Start of vertical sync pulse with respect to top frame border

111 and 112

D10 to D0

COLOUR 0 TO 7 RED COMPONENT DEFINITION

Red colour component for overlay colour 0 to 7

113, 116, 119,

122, 125, 128,

131 and 134

WD7 to D0

COLOUR 0 TO 7 GREEN COMPONENT DEFINITION

Green colour component for overlay colour 0 to 7

114, 117, 120,

123, 126, 129,

132 and 135

WD7 to D0

COLOUR 0 TO 7 BLUE COMPONENT DEFINITION

Blue colour component for overlay colour 0 to 7

115, 118, 121,

124, 127, 130,

133 and 136

WD7 to D0

On screen display

GENERAL CONFIGURATION

OSD activation

137

OSD is not visible

logic 0

OSD is visible

logic 1

OSD character size

× 16 character matrix

logic 0

× 24 character matrix

logic 1

OSD zoom

No zooming of OSD window

logic 0

Zoom by 2 of OSD window

logic 1

OSD WINDOW VERTICAL OFFSET

Vertical offset of OSD window from left frame border in pixel

138 and 139

D10 to D0

OSD WINDOW HORIZONTAL OFFSET

Horizontal offset of OSD window from top frame border in pixel

140 and 141

D11 to D0

OSD WINDOW VERTICAL SIZE

Vertical size of OSD window in characters

142

D5 to D0

OSD WINDOW HORIZONTAL SIZE

Horizontal size of OSD window in characters

143

D5 to D0

FOREGROUND COLOUR 0 TO 7 RED COMPONENT DEFINITION

Red colour component for foreground colour 0 to 7

144, 147, 150,

153, 156, 159,

162 and 165

WD7 to D0

NAME

SUBADDRESS

R/W

DATA

SAA6721 Datasheet(PDF) 39 Page - NXP Semiconductors

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