Thomson EF9345

Last updated
EF9345 pinout EF9345P pinout.png
EF9345 pinout

The EF9345 from SGS-Thomson Microelectronics, Inc., was a semigraphic [1] single chip microprocessor for video image control, [1] encapsulated in a 40-pin DIP and used primarily in the Matra Alice 32, [2] Matra Alice 90 [3] and Philips VG5000 microcomputers. [4] It was also the video processor of the Minitel 1b terminals, built by either Alcatel and Philips at more than 2 million of units.

Contents

The EF9345 was capable of displaying 8 colors (RGB primaries), 128 alphanumeric characters and 128 semigraphic characters. [5] It had one semigraphic mode and 40- and 80-column text modes. [5] It was able to address up to 16KB of dedicated video RAM.

Video Modes

RGB 3bits palette.png

On-Chip Character Generator

The on-chip character generator offered several character sets, including alphanumeric and videotext compatible semigraphics. [1]

G0 Alphanumeric Character Set in 40 or 80 Character/Row Mode
0x1x2x3x4x5x6x7x
0⸮ºSP0@P-p
1± !1AQaq
2Éé"2BRbr
3£ë#3CScs
4âï$4DTdt
5Çç %5EUeu
6Ëû&6FVfv
7Àà'7GWgw
8Ù÷(8HXhx
9Èè)9IYiy
AŒœ* :JZjz
BÊê+ ;K[k▏
C←¼,<L\l│
Dî½-=M]m▕
E→¾.>N↑n▔
F↓ô/ ?O▁o█
G0 Alphanumeric Character Set in 40 Character/Row Mode - R003
0x1x2x3x4x5x6x7x
0▔ºSP0@P-p
1¨± !1AQaq
2Éé"2BRbr
3£§#3CScs
4÷`$4DTdt
5Çç %5EUeu
6Ää&6FVfv
7Öẞ´7GWgw
8Üà(8HXhx
9Èè)9IYiy
AŒœ* :JZjz
Büù+ ;K[k{
C←¼,<L\l│
Dî½-=M]m}
E→¾.>N^n~
F↓ô/ ?O▁o█
G0 Alphanumeric Character Set in 40 Character/Row Mode - R005
0x1x2x3x4x5x6x7x
0~ºSP0@P-p
1§±!1AQaq
2üé"2BRbr
3£ë#3CScs
4âï$4DTdt
5}ç%5EUeu
6äû&6FVfv
7öà'7GWgw
8ù÷(8HXhx
9ẞè)9IYiy
AŒœ*:JZjz
B{ê+;K[k▏
C←¼,<L\l│
Dî½-=M]m▕
E→¾.>N↑n▔
F↓ô/?O▁o█
G10 Semigraphic Character Set (videotex compatible)
4x5x6x7x
0SP🬏🬞🬭
1🬀🬐🬟🬮
2🬁🬑🬠🬯
3🬂🬒🬡🬰
4🬃🬓🬢🬱
5🬄▌🬣🬲
6🬅🬔🬤🬳
7🬆🬕🬥🬴
8🬇🬖🬦🬵
9🬈🬗🬧🬶
A🬉🬘▐🬷
B🬊🬙🬨🬸
C🬋🬚🬩🬹
D🬌🬛🬪🬺
E🬍🬜🬫🬻
F🬎🬝🬬█
G11 Stroke Set
0x1x
0
1🮡╵
2🮣╶
3🮥└
4🮢╷
5🮩│
6🮦┌
7🮪├
8🮠╴
9🮧┘
A🮨─
B🮬┴
C🮤┐
D🮭┤
E🮫┬
F🮮┼
G20 Accentued Character Set
0x1x2x3x
0¯´`
1˙¨,
G21 Accentued Character Set - R000
0x1x
0-p
1aq
2br
3cs
4dt
5eu
6fv
7gw
8hx
9iy
Ajz
Bk▏
Cl│
Dm▕
En▔
Fo█
G21 Accentued Character Set - R003
0x1x
0-p
1aq
2br
3cs
4dt
5eu
6fv
7gw
8hx
9iy
Ajz
Bk{
Cl│
Dm}
En~
Fo█

See also

References

  1. 1 2 3 Graphic Processors Databook (PDF). SGS Thomson. March 1989. p. 13.
  2. ↑ "MATRA HACHETTE ALICE". old-computers.com. Archived from the original on 2021-10-03. Retrieved 2021-10-03.
  3. ↑ "MATRA HACHETTE ALICE 90". old-computers.com. Archived from the original on 2021-10-03. Retrieved 2021-10-03.
  4. ↑ Hervier, Carl; Vanlierde, Stéphane (2023). "La vidéo du VG5000". La page de fans du VG 5000µ. Archived from the original on 2021-08-21. Retrieved 2021-10-03.
  5. 1 2 3 4 5 EF9345 HMOS2 SINGLE CHIP SEMI-GRAPHIC DISPLAY PROCESSOR (PDF). SGS Thomson. March 1995.
This page is based on this Wikipedia article
Text is available under the CC BY-SA 4.0 license; additional terms may apply.
Images, videos and audio are available under their respective licenses.