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PDF SED1335F Data sheet ( Hoja de datos )
| Número de pieza | SED1335F | |
| Descripción | Graphic LCD Controller | |
| Fabricantes | Epson | |
| Logotipo |  |
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PF577-03
SED1335F
Graphic LCD Controller
q For Medium-scale LCD
q Wide Operating Voltage 2.7 to 5.0V
q On Chip Character Generator ROM
s DESCRIPTION
The SED1335F is a graphics and character display controller for use with medium scale dot matrix LCDs.
The SED1335F generates all the signals required by the display memory and LCD drivers, and incorporates a
character generator ROM, so that flexible, low power, display systems can be designed with a minimum number
of external components.
The SED1335F's high speed MPU interface can be configured for both 6800 family and 8080 family processors,
and the rich command set allows the user to create a layered display of characters and graphics, scroll the
display, and assign display attributes to selected areas of the screen with a minimum of MPU intervention.
The controller also functions as a pipline buffer between the MPU and display memory so that low cost, medium
speed SRAM can be used.
The SED1335F character generator system supports user defined characters, which can be used alone, or in
conjunction with the on board character set.
s FEATURES
q 6800 and 8080 family compatibility, 2-pin pro-
grammable
q Software compatible with SED1330 and SED1336
q Programmable cursor movement
q Flexible scrolling
....Scrolling in both horizontal and vertical direc-
tions
....Scrolling of selected areas of the display
q Multimode display
....Up to 2 layers of mixed character and graphics
....Up to 3 layers of graphics
q Selectable display synthesis
....Display attribute s(reverse video, flashing,
etc.)for selected areas of the display
....Simple animation
q Supports 64K bytes of memory
....4K bytes of user definable characters
....60K bytes of display memory
q 160 JIS 5×7 pixel characters internal
q Supports external character ROM or RAM
....8×8 or 8×16 pixel characters
....Allows mixing of ROM RAM character sets
q Variable LCD duty cycle, from 1/2 to 1/256
q Low power CMOS fabrication
....5mA (typical)
....0.05µA(typical), standby
q Supply voltage 2.7 to 5.5V
q Package .. SED1335FOA: QFP5-60pin (plastic)
SED1335FOB: QFP6-60pin (plastic)
s BLOCK DIAGRAM
Video RAM
CG RAM
External
CG ROM
LCD with
SED 1180/SED1190
VRAM Interface
I/O Register
LCD Controller
Cursor Address
Controller
Display
Address
Controller
Refresh
Address
Counter
Dot Counter
MPU Interface
CG ROM
Layered
Display
Controller
OSC
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SED1335F
NOTICE
No part of this material may be reproduced or duplicated in any form or by any means without the written permission of Seiko
Epson. Seiko Epson reserves the right to make changes to this material without notice. Seiko Epson does not assume any liabiylit
of any kind arising out of any inaccuracies contained in this material or due to its application or use in any product or circu it and,
further, there is no representation that this material is applicable to products requiring high level reliability, such as, med ical
products. Moreover, no license to any intellectual property rights is granted by implication or otherwise, and there is no
representation or warranty that anything made in accordance with this material will be free from any patent or copyright
infringement of a third party. This material or portions thereof may contain technology or the subject relating to strategic products
under the control of the Foreign Exchange and Foreign Trade Control Law of Japan and may require an export license from the
Ministry of International Trade and Industry or other approval from another government agency.
All product names mentioned herein are trademarks and/or registered trademarks of their respective companies.
©Seiko Epson Corporation 1998 All rights reserved.
ELECTRONIC DEVICES MARKETING DIVISION
Electronic Device Marketing Department
IC Marketing & Engineering Group
421-8, Hino, Hino-shi, Tokyo 191-8501, JAPAN
Phone: +81-(0)42-587-5816 Fax: +81-(0)42-587-5624
ED International Marketing Department I (Europe & U.S.A.)
421-8, Hino, Hino-shi, Tokyo 191-8501, JAPAN
Phone: +81-(0)42-587-5812 Fax: +81-(0)42-587-5564
ED International Marketing Department II (Asia)
421-8, Hino, Hino-shi, Tokyo 191-8501, JAPAN
Phone: +81-(0)42-587-5814 Fax: +81-(0)42-587-5110
Electric Device Information of EPSON WWW server
http://www.epson.co.jp
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