saa5547ps NXP Semiconductors, saa5547ps Datasheet - Page 68

• 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
Status read
BUSY
FIELD
FLR
SCR3 to SCR0
Status write
SCON
FLR
SCR3 to SCR0
HSYNC Delay
HSD6 to HSD0
VSYNC Delay
VSD6 to VSD0
Top Scroll Line
SCL3 to SCL0
Configuration
CC
VDEL2 to VDEL0
TXT/V
TV microcontrollers with Closed Captioning (CC)
and On-Screen Display (OSD)
REGISTER BIT
access to display memory could cause display problems (logic 1)
even field (logic 1)
active flash region background only displayed (logic 1)
first scroll row
scroll area enabled (logic 1)
active flash region background colour only displayed (logic 1)
first scroll row
HSYNC delay, in full size characters
VSYNC delay in number of 8-bit 12 MHz clock cycles
top line for scroll
closed caption mode (logic 1)
pixel delay between VDS and RGB output
BUSY signal switch; horizontal (logic 1)
000 = VDS switched to video, not active
001 = VDS active one pixel earlier then RGB
010 = VDS synchronous to RGB
100 = VDS active one pixel after RGB
68
FUNCTION
Preliminary specification
SAA55xx