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Generalplus

GPL31B2 Datasheet Preview

GPL31B2 Datasheet

LCD Controller/Driver

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GPL31B2
64KB LCD Controller/Driver
MAR. 18, 2010
Version 1.1
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

GPL31B2 Datasheet Preview

GPL31B2 Datasheet

LCD Controller/Driver

No Preview Available !

GPL31B2
Table of Contents
PAGE
1. GENERAL DESCRIPTION .......................................................................................................................................................................... 3
2. BLOCK DIAGRAM ...................................................................................................................................................................................... 3
3. FEATURES .................................................................................................................................................................................................. 3
4. SIGNAL DESCRIPTIONS............................................................................................................................................................................ 4
4.1. PAD ASSIGNMENT ................................................................................................................................................................................. 5
5. FUNCTIONAL DESCRIPTIONS.................................................................................................................................................................. 6
5.1. MAP OF MEMORY AND I/OS .................................................................................................................................................................... 6
5.2. ROM AREA ........................................................................................................................................................................................... 6
5.3. OPERATING STATES ............................................................................................................................................................................... 6
5.4. TIME-BASE-SETTING REGISTER ............................................................................................................................................................. 6
5.5. TIMER/COUNTER ................................................................................................................................................................................... 7
5.6. SPEECH AND MELODY............................................................................................................................................................................ 7
5.7. LCD CONTROLLER/DRIVER.................................................................................................................................................................... 7
5.8. VOLTAGE DOUBLER/REGULATOR ............................................................................................................................................................ 7
5.9. PWM OUTPUT....................................................................................................................................................................................... 7
5.10.LOW VOLTAGE RESET ............................................................................................................................................................................ 8
5.11. WATCHDOG TIMER (WDT) ..................................................................................................................................................................... 8
5.12.LOW VOLTAGE DETECT .......................................................................................................................................................................... 8
5.13.MASK OPTIONS...................................................................................................................................................................................... 8
5.13.1. 32768 crystal oscillator ......................................................................................................................................................... 8
5.13.2. Low voltage detect................................................................................................................................................................ 8
5.14.SEG[43:41] CAN BE OPTIONED TO IOEF[7:5] ........................................................................................................................................ 8
5.15.BUILT-IN REGULATOR CAN BE DISABLED ................................................................................................................................................. 8
6. ELECTRICAL SPECIFICATIONS ............................................................................................................................................................... 9
6.1. ABSOLUTE MAXIMUM RATINGS ............................................................................................................................................................... 9
6.2. DC CHARACTERISTICS (VDD = 3.0V, TA = 25) .................................................................................................................................... 9
6.3. DC CHARACTERISTICS (VDD = 4.5V, TA = 25) .................................................................................................................................... 9
6.4. THE RELATIONSHIPS BETWEEN THE ROSC AND THE FCPUU......................................................................................................................... 10
6.4.1. VDD = 3.0V, TA = 25............................................................................................................................................................ 10
6.4.2. VDD = 4.5V, TA = 25............................................................................................................................................................ 10
6.5. THE RELATIONSHIPS BETWEEN THE FCPU AND THE IOP ............................................................................................................................ 10
6.6. THE RELATIONSHIPS BETWEEN THE FCPU AND THE VDD......................................................................................................................... 10
7. APPLICATION CIRCUITS ......................................................................................................................................................................... 11
7.1. APPLICATION CIRCUIT – (1) ...................................................................................................................................................................11
7.2. APPLICATION CIRCUIT – (2) .................................................................................................................................................................. 12
8. PACKAGE/PAD LOCATIONS ................................................................................................................................................................... 13
8.1. ORDERING INFORMATION ..................................................................................................................................................................... 13
9. DISCLAIMER............................................................................................................................................................................................. 14
10. REVISION HISTORY ................................................................................................................................................................................. 15
© Generalplus Technology Inc.
Proprietary & Confidential
2
MAR. 18, 2010
Version: 1.1


Part Number GPL31B2
Description LCD Controller/Driver
Maker Generalplus
Total Page 15 Pages
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