SAA5X9X Datasheet, PDF (25/68 Pages) NXP Semiconductors – Economy teletext and TV microcontrollers

Philips Semiconductors
Economy teletext and TV microcontrollers
Preliminary specification
SAA5x9x family
REGISTER
FUNCTION
Wide Screen Signalling Register 1 (WSS1) - READ only; note 5
WSS 0-3 ERROR error flag for bits WSS0 to WSS3
WSS3 to WSS0
signalling bits to define aspect ratio (group 1)
Wide Screen Signalling Register 2 (WSS2) - READ only; note 5
WSS 4-7 ERROR error flag for bits WSS4 to WSS7
WSS7 to WSS4
signalling bits to define enhanced services (group 2)
Wide Screen Signalling Register 3 (WSS3) - READ only; note 5
WSS11-13 ERROR error flag for bits WSS11 to WSS13
WSS13 to WSS11 signalling bits to define reserved elements (group 4)
WSS8-10 ERROR error flag for bits WSS8 to WSS10
WSS10 to WSS8 signalling bits to define subtitles (group 3)
Colour Look-Up Table Register (CLUT) - WRITE only; note 4
CLUT ENABLE
enable the colour look-up table (logic 1)
CLUT ADDRESS load CLUT address (logic 1) or CLUT data (logic 0)
B1
most significant BLUE component data
B0
least significant BLUE component data
G1 or ENTRY3
most significant GREEN component data or most significant bit of CLUT address
G0 or ENTRY2
least significant GREEN component data or CLUT address
R1 or ENTRY1
most significant RED component data or CLUT address
R0 or ENTRY0
least significant RED component data or least significant bit of CLUT address
Notes
1. Available on SAA5296, SAA5296A, SAA5297, SAA5297A, SAA5496, SAA5497 permanently and SAA5290,
SAA5291, SAA5291A, SAA5491 when TXT8.I²C SELECT set to logic 1.
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
25