saa5547ps NXP Semiconductors, saa5547ps Datasheet - Page 24

• Manufacturer Part Number: saa5547ps
• Description: Saa550x; Saa554x Tv Microcontrollers With Closed Captioning Cc And On-screen Display Osd
• Manufacturer: NXP Semiconductors

Philips Semiconductors
2000 Feb 23
PICTURE ON IN
Text Register 7 (TXT7)
CURSOR ON
DOUBLE HEIGHT
BOX ON 24
BOX ON 1
BOX ON 0
Text Register 8 (TXT8)
FLICKER STOP ON
DISABLE SPANISH
PKT 26 RECEIVED
WSS RECEIVED
WSS ON
CVBS1/CVBS0
Text Register 9 (TXT9)
CURSOR FREEZE
CLEAR MEMORY
R4 to R0
Text Register 10 (TXT10)
C5 to C0
Text Register 11 (TXT11)
D7 to D0
Text Register 12 (TXT12)
525/625 SYNC
ROM VER4 to ROM VER0
VIDEO SIGNAL QUALITY
Text Register 13 (TXT13)
PAGE CLEARING
525 DISPLAY
Text Register 17 (TXT17)
FORCE ACQ1 to FORCE ACQ0
TV microcontrollers with Closed Captioning (CC)
and On-Screen Display (OSD)
(2)
(3)
23
(4)
BIT
(2)
(1)
(2)
video displayed inside teletext boxes (logic 1)
display cursor at position given by TXT9 and TXT10 (logic 1)
display each character as twice normal height (logic 1)
enable display of teletext boxes in memory row 24 (logic 1)
enable display of teletext boxes in memory row 1 to 23 (logic 1)
enable display of teletext boxes in memory row 0 (logic 1)
disable ‘Flicker Stopper’ circuitry (logic 1)
disable special treatment of Spanish packet 26 characters (logic 1)
packet 26 data has been processed (logic 1)
wide screen signalling data has been processed (logic 1)
enable acquisition of WSS data (logic 1)
select CVBS1 as source for device (logic 1)
lock cursor at current position (logic 1)
clear memory block pointed to by TXT15
current memory row value
current memory column value
data value written or read from memory location defined by TXT9, TXT10 and
TXT15
525-line CVBS signal is being received (logic 1)
mask programmable identification for character set
acquisition can be synchronised to CVBS (logic 1)
software or power-on page clear in progress (logic 1)
525-line synchronisation for display (logic 1)
FORCE ACQ<1:0>:
00 = automatic selection
01 = force 525 timing, force 525 teletext standard
10 = force 625 timing, force 625 teletext standard
11 = force 625 timing, force 525 teletext standard
24
FUNCTION
Preliminary specification
SAA55xx