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Generalplus

GPLB51A24B1 Datasheet Preview

GPLB51A24B1 Datasheet

LCD Controller/Driver

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GPLB52A24B1
GPLB51A24B1
1000/2000 Dots Mono/LCD
Controller/Driver with 8-CH SPU
Aug 20, 2013
Version 1.2
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

GPLB51A24B1 Datasheet Preview

GPLB51A24B1 Datasheet

LCD Controller/Driver

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GPLB52A24B1/
GPLB51A24B1
Table of Contents
PAGE
1.  GENERAL DESCRIPTION .......................................................................................................................................................................... 4 
2.  BLOCK DIAGRAM ...................................................................................................................................................................................... 4 
2.1.  GPLB52A24B1 .................................................................................................................................................................................... 4 
2.2.  GPLB51A24B1 .................................................................................................................................................................................... 4 
3.  FEATURES .................................................................................................................................................................................................. 4 
4.  APPICATION FIELD.................................................................................................................................................................................... 5 
5.  SIGNAL DESCRIPTION .............................................................................................................................................................................. 6 
5.1.  GPLB52A24B1 .................................................................................................................................................................................... 6 
5.2.  GPLB51A24B1 .................................................................................................................................................................................... 7 
   5.3. PAD ASSIGNMENT ................................................................................................................................................................................. 8
6.  FUNCTIONAL DESCRIPTIONS................................................................................................................................................................ 10 
   6.1. MEMORIES .......................................................................................................................................................................................... 10
   6.2. MAP OF MEMORY AND I/OS .................................................................................................................................................................. 10
   6.3. OPERATING STATES ............................................................................................................................................................................. 10
6.3.1.  Operating mode ...................................................................................................................................................................... 10 
6.3.2.  Standby mode ......................................................................................................................................................................... 10 
6.3.3.  Halt mode.................................................................................................................................................................................11 
   6.4. SPEECH AND MELODY, PWM AND DAC .................................................................................................................................................11
   6.5. LCD CONTROLLER/DRIVER...................................................................................................................................................................11
   6.6. LCD VOLTAGE GENERATION..................................................................................................................................................................11
   6.7. LOW VOLTAGE DETECTION ....................................................................................................................................................................11
   6.8. WATCHDOG TIMER (WDT) ....................................................................................................................................................................11
   6.9. SPI CONTROLLER.................................................................................................................................................................................11
   6.10.MASK OPTIONS.................................................................................................................................................................................... 12
6.10.1.  32768Hz oscillator .............................................................................................................................................................. 12 
6.10.2.  System clock oscillator ....................................................................................................................................................... 12 
6.10.3.  Internal VDD regulator........................................................................................................................................................ 12 
6.10.4.  LCD dots............................................................................................................................................................................. 12 
7.  ELECTRICAL SPECIFICATIONS ............................................................................................................................................................. 13 
   7.1. ABSOLUTE MAXIMUM RATINGS ............................................................................................................................................................. 13
   7.2. DC CHARACTERISTICS (VDD5V=4.5V, FOR 3-BATTERY APPLICATION, INTERNAL REGULATOR ENABLED OUTPUT, TA=25) ...................... 13
   7.3. DC CHARACTERISTICS (VDD5V=VDD=3.0V, FOR 2-BATTERY APPLICATION, INTERNAL REGULATOR OUTPUT DISABLED, TA=25) ........... 14
   7.4. THE RELATIONSHIP BETWEEN THE ROSC AND THE FOSC, TA = 25.......................................................................................................... 15
   7.5. THE RELATIONSHIP BETWEEN THE F32K AND THE R32K , TA = 25...................................................................................................... 15
   7.6. THE RELATIONSHIP BETWEEN THE FCPU AND THE IOP .............................................................................................................................. 15
7.6.1.  VDD = 3.0V, TA = 25............................................................................................................................................................ 15 
8.  APPLICATION CIRCUITS ......................................................................................................................................................................... 16 
 8.1. 2048 DOTS LCD DRIVER, 64 SEGMENTS × 32 COMMONS, FOR 3-BATTERY APPLICATION, INTERNAL 3.3V REGULATOR ENABLED, 12-BIT
 DAC ENABLED, ROSC14M XTAL32K SELECTED- (1) .................................................................................................................................. 16
 8.2. 2048 DOTS LCD DRIVER, 64 SEGMENTS × 32 COMMONS, INTERNAL 3.3V REGULATOR DISABLED, FOR 2-BATTERY APPLICATION, 12-BIT
 DAC ENABLED, ROSC14M XTAL32K SELECTED - (2) ................................................................................................................................. 17
© Generalplus Technology Inc.
Proprietary & Confidential
2
Aug 20, 2013
Version: 1.2


Part Number GPLB51A24B1
Description LCD Controller/Driver
Maker Generalplus
Total Page 25 Pages
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