SAA6721E Datasheet, PDF (41/72 Pages) NXP Semiconductors – SXGA RGB to TFT graphics engine

Philips Semiconductors
SXGA RGB to TFT graphics engine
NAME
On screen display window
CURSOR POSITION 1
Cursor row
CURSOR POSITION 2
Cursor column
CHARACTER APPEARANCE
Foreground colour code
Background colour code
Character appearance
Picture information will be overwritten by OSD data
Transparency of OSD transparent colours
1 : 1 alpha blending of OSD alpha colours
1 : 2 alpha blending of OSD alpha colours
CHARACTER CODE
Code of character to be placed at cursor position
On screen display character matrix
CHARACTER CODE
Code of character to be defined
CHARACTER PATTERN
Character definition pattern
TFT display interface
GENERAL CONFIGURATION 1
Output width
Double pixel output (48 bits)
Single pixel output (24 bits)
Output clock polarity
Data output with respect to falling edge of pin PCLK
Data output with respect to rising edge of pin PCLK
Data qualifier polarity
Active LOW pin PDE
Active HIGH pin PDE
Horizontal sync polarity
Active LOW horizontal sync at pin PHS
Active HIGH horizontal sync at pin PHS
Vertical sync polarity
Active LOW vertical sync at pin PVS
Active HIGH vertical sync at pin PVS
Preliminary specification
SAA6721E
SUBADDRESS R/W
DATA
196
W D5 to D0
197
W D5 to D0
198
W D2 to D0
D5 to D3
D7 and D6
D7 = 0 and D6 = 0
D7 = 0 and D6 = 1
D7 = 1 and D6 = 0
D7 = 1 and D6 = 1
199
W D6 to D0
200
W D6 to D0
201
W D7 to D0
202
W D0
logic 0
logic 1
D1
logic 0
logic 1
D2
logic 0
logic 1
D3
logic 0
logic 1
D4
logic 0
logic 1
1999 May 11
41