The EF9345 from SGS-Thomson Microelectronics, Inc., was a semigraphic single chip microprocessor for video image control, encapsulated in a 40-pin DIP and used primarily in the Matra Alice 32, Matra Alice 90 and Philips VG5000 microcomputers. It was also the video processor used in Minitel 1b terminals, built by either Alcatel and Philips totalling more than 2 million units.
The EF9345 was capable of displaying 8 colors (RGB primaries), 128 alphanumeric characters and 128 semigraphic characters. It had one semigraphic mode and 40- and 80-column text modes. It was able to address up to 16KB of dedicated video RAM.
Video Modes 50/60 Hz output Interlaced or progressive scan Semigraphics: 128 standard character set with 5×7 pixel font dimensions. User definable 8×10 pixel alphanumeric or semigraphic sets. 40 characters × 25 rows text mode (similar to teletext): 8 × 10 pixel font Selectable background and foreground colors Styles: double height, double width, blinking, reverse, underline, conceal, insert, accentuation of lowercase characters 80 characters × 25 rows text mode: 6 × 10 pixel font Styles: blinking, underlining, reverse, color 8 colors (3-bit RGB palette):
On-Chip Character Generator The on-chip character generator offered several character sets, including alphanumeric and videotext compatible semigraphics.
G0 Alphanumeric Character Set in 40 or 80 Character/Row Mode 0x 1x 2x 3x 4x 5x 6x 7x 0 ⸮ º SP 0 @ P - p 1  ± ! 1 A Q a q 2 É é " 2 B R b r 3 £ ë # 3 C S c s 4 â ï $ 4 D T d t 5 Ç ç % 5 E U e u 6 Ë û & 6 F V f v 7 À à ' 7 G W g w 8 Ù ÷ ( 8 H X h x 9 È è ) 9 I Y i y A Œ œ * : J Z j z B Ê ê + ; K [ k ▏ C ← ¼ , < L \ l │ D î ½ - = M ] m ▕ E → ¾ . > N ↑ n ▔ F ↓ ô / ? O ▁ o █
G0 Alphanumeric Character Set in 40 Character/Row Mode - R003 0x 1x 2x 3x 4x 5x 6x 7x 0 ▔ º SP 0 @ P - p 1 ¨ ± ! 1 A Q a q 2 É é " 2 B R b r 3 £ § # 3 C S c s 4 ÷ ` $ 4 D T d t 5 Ç ç % 5 E U e u 6 Ä ä & 6 F V f v 7 Ö ẞ ´ 7 G W g w 8 Ü à ( 8 H X h x 9 È è ) 9 I Y i y A Œ œ * : J Z j z B ü ù + ; K [ k { C ← ¼ , < L \ l │ D î ½ - = M ] m } E → ¾ . > N ^ n ~ F ↓ ô / ? O ▁ o █ G0 Alphanumeric Character Set in 40 Character/Row Mode - R0050x1x2x3x4x5x6x7x0~ºSP0@P -p1§±!1AQaq2üé"2BRbr3£ë#3CScs4âï$4DTdt5 }ç%5EUeu6äû&6FVfv7öà'7GWgw8ù÷(8HXhx9ẞè)9IYiyAŒœ*:JZjzB{ê +;K[k▏C←¼,<L\l│Dî½ -=M]m▕E→¾.>N↑n▔F↓ô/?O▁o█ G10 Semigraphic Character Set (videotex compatible) 4x 5x 6x 7x 0 SP 🬏 🬞 🬭 1 🬀 🬐 🬟 🬮 2 🬁 🬑 🬠 🬯 3 🬂 🬒 🬡 🬰 4 🬃 🬓 🬢 🬱 5 🬄 ▌ 🬣 🬲 6 🬅 🬔 🬤 🬳 7 🬆 🬕 🬥 🬴 8 🬇 🬖 🬦 🬵 9 🬈 🬗 🬧 🬶 A 🬉 🬘 ▐ 🬷 B 🬊 🬙 🬨 🬸 C 🬋 🬚 🬩 🬹 D 🬌 🬛 🬪 🬺 E 🬍 🬜 🬫 🬻 F 🬎 🬝 🬬 █
G11 Stroke Set 0x 1x 0 1 🮡 ╵ 2 🮣 ╶ 3 🮥 └ 4 🮢 ╷ 5 🮩 │ 6 🮦 ┌ 7🮪 ├ 8🮠 ╴ 9 🮧 ┘ A🮨 ─ B🮬 ┴ C🮤 ┐ D🮭 ┤ E🮫 ┬ F 🮮 ┼
G20 Accentued Character Set 0x 1x 2x 3x 0 ¯ ´ ` 1 ˙ ¨ ,
G21 Accentued Character Set - R000 0x 1x 0 - p 1 a q 2 b r 3 c s 4 d t 5 e u 6 f v 7 g w 8 h x 9 i y A j z B k ▏ C l │ D m ▕ E n ▔ F o █
G21 Accentued Character Set - R003 0x 1x 0 - p 1 a q 2 b r 3 c s 4 d t 5 e u 6 f v 7 g w 8 h x 9 i y A j z B k { C l │ D m } E n ~ F o █
See also Thomson EF936x Thomson EF9340 [VIN] & EF9341 [GEN] (precursory couple for this video processor) Thomson EF9347 (successor of this video processor) Motorola 6847 Motorola 6845 TMS9918 MOS Technology VIC-II List of home computers by video hardware
References
External links EF9345 datasheet