2002 May 06
31
Philips Semiconductors
Objective specification
Enhanced TV microcontrollers with
On-Screen Display (OSD)
SAA567x; SAA569x
CCON
I
2
C Port 0
CC/TXT
Closed Caption acquisition on (logic 1)
enable I
2
C-bus Port 0 selection (P1.7/SDA0 and P1.6/SCL0) (logic 1)
display configured for CC mode (logic 1)
Text Register 22 (TXT22)
GPF7 to GPF6
GPF5 to GPF4 and GPF2 to GPF0 general purpose register, bits defined by mask programmable bits
(Character ROM address 09FEH)
GPF3
PWM0, PWM1, PWM2 and PWM3 output on Port 3.0 to Port 3.3 respectively
(logic 0) PWM0, PWM1, PWM2 and PWM3 output on Port 2.1 to Port 2.4
respectively (logic 1)
reserved
Text Register 23 (TXT23)
NOT B3 to NOT B0
National Option Table selection for Page B, maximum of 32 when used with
EAST/WEST B-bit
eastern language selection of character codes A0H to FFH for Page B (logic 1)
normal OSD characters used on Page B (logic 0) re-map column 8/9 to DRCS
(TXT and CC modes) on Page B (logic 1)
basic character set selection for Page B
EAST/WEST B
DRCS B ENABLE
BS B1 to BS B0
Text Register 24 (TXT24)
BKGND OUT B
BKGND IN B
COR OUT B
COR IN B
TEXT OUT B
TEXT IN B
PICTURE ON OUT B
PICTURE ON IN B
background colour displayed outside Teletext boxes (Teletext page) (logic 1)
background colour displayed inside Teletext boxes (Teletext page) (logic 1)
COR active outside Teletext and OSD boxes (Teletext page) (logic 1)
COR active inside Teletext and OSD boxes (Teletext page) (logic 1)
TEXT displayed outside Teletext boxes (Teletext page) (logic 1)
TEXT displayed inside Teletext boxes (Teletext page) (logic 1)
VIDEO displayed outside Teletext boxes (Teletext page) (logic 1)
VIDEO displayed inside Teletext boxes (Teletext page) (logic 1)
Text Register 25 (TXT25)
BKGND OUT B
background colour displayed outside Teletext boxes (Sub-Title/Newsflash page)
(logic 1)
background colour displayed inside Teletext boxes (Sub-Title/Newsflash page)
(logic 1)
COR active outside Teletext and OSD boxes (Sub-Title/Newsflash page) (logic 1)
COR active inside Teletext and OSD boxes (Sub-Title/Newsflash page) (logic 1)
TEXT displayed outside Teletext boxes (Sub-Title/Newsflash page) (logic 1)
TEXT displayed inside Teletext boxes (Sub-Title/Newsflash page) (logic 1)
VIDEO displayed outside Teletext boxes (Sub-Title/Newsflash page) (logic 1)
VIDEO displayed inside Teletext boxes (Sub-Title/Newsflash page) (logic 1)
BKGND IN B
COR OUT B
COR IN B
TEXT OUT B
TEXT IN B
PICTURE ON OUT B
PICTURE ON IN B
BITS
FUNCTION