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Generalplus

GPLB39B Datasheet Preview

GPLB39B Datasheet

LCD Controller

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GPLB39B
LCD CONTROLLER
JAN. 07, 2008
Version 1.5
GENERALPLUS TECHNOLOGY INC. reserves the right to change this documentation without prior notice. Information provided by GENERALPLUS
TECHNOLOGY INC. is believed to be accurate and reliable. However, GENERALPLUS TECHNOLOGY INC. makes no warranty for any errors which may
appear in this document. Contact GENERALPLUS TECHNOLOGY INC. to obtain the latest version of device specifications before placing your order. No
responsibility is assumed by GENERALPLUS TECHNOLOGY INC. for any infringement of patent or other rights of third parties which may result from its use.
In addition, GENERALPLUS products are not authorized for use as critical components in life support devices/systems or aviation devices/systems, where a
malfunction or failure of the product may reasonably be expected to result in significant injury to the user, without the express written approval of Generalplus.




Generalplus

GPLB39B Datasheet Preview

GPLB39B Datasheet

LCD Controller

No Preview Available !

GPLB39B
Table of Contents
PAGE
1. GENERAL DESCRIPTION .......................................................................................................................................................................... 3
2. FEATURES .................................................................................................................................................................................................. 3
3. APPICATION FIELD.................................................................................................................................................................................... 3
4. BLOCK DIAGRAM ...................................................................................................................................................................................... 4
5. SIGNAL DESCRIPTIONS............................................................................................................................................................................ 5
5.1. PAD ASSIGNMENT ................................................................................................................................................................................. 6
6. FUNCTIONAL DESCRIPTIONS.................................................................................................................................................................. 7
6.1. MEMORIES ............................................................................................................................................................................................ 7
6.2. MAP OF MEMORY AND I/OS .................................................................................................................................................................... 7
6.3. OPERATING STATES ............................................................................................................................................................................... 7
6.4. SPEECH AND MELODY............................................................................................................................................................................ 8
6.5. LCD CONTROLLER/DRIVER.................................................................................................................................................................... 8
6.6. LCD VOLTAGE GENERATION................................................................................................................................................................... 8
6.7. PWM OUTPUT....................................................................................................................................................................................... 8
6.8. SERIAL SRAM INTERFACE ..................................................................................................................................................................... 8
6.9. BUS MEMORY INTERFACE....................................................................................................................................................................... 9
6.10.VOLTAGE REGULATOR............................................................................................................................................................................ 9
6.11. ASYNCHRONOUS SERIAL INTERFACE ...................................................................................................................................................... 9
6.12.LOW VOLTAGE DETECTION ..................................................................................................................................................................... 9
6.13.WATCHDOG TIMER (WDT) ..................................................................................................................................................................... 9
6.14.SERIAL PERIPHERAL INTERFACE (SPI) .................................................................................................................................................... 9
6.15.MASK OPTIONS.................................................................................................................................................................................... 10
7. ELECTRICAL SPECIFICATIONS ............................................................................................................................................................. 11
7.1. ABSOLUTE MAXIMUM RATINGS ..............................................................................................................................................................11
7.2. DC CHARACTERISTICS..........................................................................................................................................................................11
8. APPLICATION CIRCUITS ......................................................................................................................................................................... 12
8.1. 6144 DOTS LCD DRIVER, 96 SEGMENTS × 64 COMMONS WITH EXTERNAL SERIAL SRAM, REGULATOR DISABLED - (1) .......................... 12
8.2. 6144 DOTS LCD DRIVER, 96 SEGMENTS × 64 COMMONS WITH EXTERNAL BUS ROM, REGULATOR DISABLED - (2) ................................ 13
8.3. 6144 DOTS LCD DRIVER, 96 SEGMENTS × 64 COMMONS WITH EXTERNAL BUS FLASH, REGULATOR ENABLED - (3)................................ 14
8.4. 6144 DOTS LCD DRIVER, 96 SEGMENTS × 64 COMMONS WITH BUS EXTENDER, REGULATOR DISABLED - (4) ......................................... 15
8.5. SERIAL COMMUNICATIONS BETWEEN TWO GPLB39BS - (5)................................................................................................................... 16
8.6. SERIAL COMMUNICATIONS BETWEEN GPLB39B AND USB CONTROLLER- (6) ......................................................................................... 16
9. PACKAGE/PAD LOCATIONS ................................................................................................................................................................... 17
9.1. ORDERING INFORMATION ..................................................................................................................................................................... 17
10. DISCLAIMER............................................................................................................................................................................................. 18
11. REVISION HISTORY ................................................................................................................................................................................. 19
© Generalplus Technology Inc.
Proprietary & Confidential
2
JAN. 07, 2008
Version: 1.5


Part Number GPLB39B
Description LCD Controller
Maker Generalplus
Total Page 19 Pages
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