SAA5290A Philips Semiconductors, SAA5290A Datasheet - Page 25

• Manufacturer Part Number: SAA5290A
• Description: Economy teletext and TV microcontrollers
• Manufacturer: Philips Semiconductors

Philips Semiconductors
Notes
1. Available on SAA5296, SAA5296A, SAA5297, SAA5297A, SAA5496, SAA5497 permanently and SAA5290,
2. Available on SAA5290, SAA5291, SAA5291A and SAA5491.
3. Available on SAA5296, SAA5296A, SAA5297, SAA5297A, SAA5496, SAA5497.
4. Available on SAA5491, SAA5496, SAA5497.
5. Available on SAA5291A, SAA5296A, SAA5297A, SAA5491, SAA5496, SAA5497.
1997 Jul 07
Wide Screen Signalling Register 1 (WSS1) - READ only; note 5
WSS 0-3 ERROR
WSS3 to WSS0
Wide Screen Signalling Register 2 (WSS2) - READ only; note 5
WSS 4-7 ERROR
WSS7 to WSS4
Wide Screen Signalling Register 3 (WSS3) - READ only; note 5
WSS11-13 ERROR
WSS13 to WSS11
WSS8-10 ERROR
WSS10 to WSS8
Colour Look-Up Table Register (CLUT) - WRITE only; note 4
CLUT ENABLE
CLUT ADDRESS
B1
B0
G1 or ENTRY3
G0 or ENTRY2
R1 or ENTRY1
R0 or ENTRY0
Economy teletext and TV microcontrollers
SAA5291, SAA5291A, SAA5491 when TXT8.I
REGISTER
error flag for bits WSS0 to WSS3
signalling bits to define aspect ratio (group 1)
error flag for bits WSS4 to WSS7
signalling bits to define enhanced services (group 2)
error flag for bits WSS11 to WSS13
signalling bits to define reserved elements (group 4)
error flag for bits WSS8 to WSS10
signalling bits to define subtitles (group 3)
enable the colour look-up table (logic 1)
load CLUT address (logic 1) or CLUT data (logic 0)
most significant BLUE component data
least significant BLUE component data
most significant GREEN component data or most significant bit of CLUT address
least significant GREEN component data or CLUT address
most significant RED component data or CLUT address
least significant RED component data or least significant bit of CLUT address
2
C SELECT set to logic 1.
25
FUNCTION
SAA5x9x family
Preliminary specification