SAA5244A Datasheet, PDF (26/32 Pages) NXP Semiconductors – Integrated VIP and teletext decoder IVT1.1

Philips Semiconductors
Integrated VIP and teletext decoder
(IVT1.1)
Product specification
SAA5244A
6. Black represents displayed colour. White represents background.
7. Character rectangle shown as follows:
8. The SAA5244A national option characters are illustrated in Table 8.
9. Characters 4b/11, 4b/12, 5b/10, 5b/11 and 5b/12 are special characters for combining with character 4b/10.
10. National option characters will be developed according to the setting of control bits C12 to C14. These will be mapped
into the basic code table into positions shown in Table 8.
11. Columns 4b and 5b are mapped into 4 and 5 respectively (replacing blast-through alphanumerics in the graphics
mode) when enabled by R9 bit D7 set to 1.
12. Columns 4b and 5b are mapped into columns 6 and 7 respectively when enabled by R10 bit D6 (row 0 columns 0
to 7) and R10 bit D7 (row 24) set to 1.
13. Columns 2a, 3a, 6a and 7a are displayed in graphics mode.
March 1992
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