saa5547ps NXP Semiconductors, saa5547ps Datasheet - Page 23
saa5547ps
Manufacturer Part Number
saa5547ps
Description
Saa550x; Saa554x Tv Microcontrollers With Closed Captioning Cc And On-screen Display Osd
Manufacturer
NXP Semiconductors
Datasheet
1.SAA5547PS.pdf
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Philips Semiconductors
2000 Feb 23
M1 to M0
Text Register 0 (TXT0)
AUTO FRAME
DISABLE FRAME
Text Register 1 (TXT1)
FIELD POLARITY
H POLARITY
V POLARITY
Text Register 4 (TXT4)
OSD BANK ENABLE
QUAD WIDTH ENABLE
EAST/WEST
DISABLE DOUBLE HEIGHT
B MESH ENABLE
C MESH ENABLE
TRANS ENABLE
SHADOW ENABLE
Text Register 5 (TXT5)
BKGND OUT
BKGND IN
COR OUT
COR IN
TEXT OUT
TEXT IN
PICTURE ON OUT
PICTURE ON IN
Text Register 6 (TXT6)
BKGND OUT
BKGND IN
COR OUT
COR IN
TEXT OUT
TEXT IN
PICTURE ON OUT
TV microcontrollers with Closed Captioning (CC)
and On-Screen Display (OSD)
BIT
mode control bits timer/counter 0; M<1:0>:
frame output is switched off automatically if any video displayed (logic 1)
force frame output to be LOW (logic 1)
VSYNC pulse in second half of line during even field (logic 1)
HSYNC reference edge is negative going (logic 1)
VSYNC reference edge is negative going (logic 1)
alternate OSD location available via graphic attribute, additional 32 location
(logic 1)
enable display of quadruple width characters (logic 1)
eastern character selection of character codes A0H to FFH (logic 1)
disable normal decoding of double height characters (logic 1)
enable meshing of black background (logic 1)
enable meshing of coloured background (logic 1)
display black background as video (logic 1)
display shadow/fringe (default SE black) (logic 1)
background colour displayed outside teletext boxes (logic 1)
background colour displayed inside teletext boxes (logic 1)
COR active outside teletext and OSD boxes (logic 1)
COR active inside teletext and OSD boxes (logic 1)
text displayed outside teletext boxes (logic 1)
text displayed inside teletext boxes (logic 1)
video displayed outside teletext boxes (logic 1)
video displayed inside teletext boxes (logic 1)
background colour displayed outside teletext boxes (logic 1)
background colour displayed inside teletext boxes (logic 1)
COR active outside teletext and OSD boxes (logic 1)
COR active inside teletext and OSD boxes (logic 1)
text displayed outside teletext boxes (logic 1)
text displayed inside teletext boxes (logic 1)
video displayed outside teletext boxes (logic 1)
00 = 8-bit timer or 8-bit counter with divide-by-32 prescaler
01 = 16-bit time interval or event counter
10 = 8-bit time interval or event counter with automatic reload upon overflow;
reload value stored in TH0
11 = one 8-bit time interval or event counter and one 8-bit time interval counter
23
FUNCTION
Preliminary specification
SAA55xx
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