SAA5281 Datasheet, PDF (34/48 Pages) NXP Semiconductors – Integrated Video input processor and Teletext decoder IVT1.8

Philips Semiconductors
Integrated Video input processor and
Teletext decoder (IVT1.8*)
Preliminary specification
SAA5281
Notes to Tables 14, 15, 16, 17, 18 and 19
1. These control characters are reserved for compatibility with other data codes.
2. These control characters are presumed before each row begins.
3. Control characters shown in Columns 0 and 1 are normally displayed as spaces.
4. Characters may be referred to by column and row (for example 2/5 refers to %).
5. Black represents displayed colour. White represents background.
6. The SAA5281 national option characters are illustrated in Tables 21, 22 and 23.
7. Characters 8/6, 8/7, 9/5, 9/6 and 9/7 are special characters for combining with character 8/5 (E, H and T codes only).
Characters 5/12, 5/13, 5/14 and 5/15 are combined with 5/11 (S code only).
8. National option characters will be displayed according to the setting of control bits C12 to C14. These will be mapped
into the basic code table into positions shown in Tables 21, 22 and 23.
9. Columns 2a, 3a, 6a and 7a are displayed in graphics mode.
1996 Nov 04
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