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Generalplus

GPLB301A Datasheet Preview

GPLB301A Datasheet

LCD Controller

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GPLB301A
2368 Dots LCD Controller with
512KB OTP
Dec. 28, 2009
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

GPLB301A Datasheet Preview

GPLB301A Datasheet

LCD Controller

No Preview Available !

GPLB301A
Table of Contents
PAGE
1. GENERAL DESCRIPTION .......................................................................................................................................................................... 4
2. FEATURES.................................................................................................................................................................................................. 4
3. BLOCK DIAGRAM ...................................................................................................................................................................................... 6
4. APPICATION FIELD.................................................................................................................................................................................... 6
5. SIGNAL DESCRIPTIONS............................................................................................................................................................................ 7
5.1. GPLB30/GPLB33A/GPLB33B/GPLB38B IS SELECTED ........................................................................................................................ 7
5.2. GPLB32/GPLB37 IS SELECTED ............................................................................................................................................................ 8
5.3. OTP PROGRAM/VERIFY PIN ................................................................................................................................................................... 8
5.4. PIN MAP ............................................................................................................................................................................................... 9
5.5. PAD ASSIGNMENT ............................................................................................................................................................................... 10
6. FUNCTIONAL DESCRIPTIONS................................................................................................................................................................ 12
6.1. MEMORIES .......................................................................................................................................................................................... 12
6.2. MAP OF MEMORY AND I/OS .................................................................................................................................................................. 12
6.3. OPERATING STATES ............................................................................................................................................................................ 12
6.3.1. Operating mode ...................................................................................................................................................................... 12
6.4. SPEECH AND MELODY.......................................................................................................................................................................... 13
6.5. LCD CONTROLLER/DRIVER.................................................................................................................................................................. 13
6.6. LCD VOLTAGE GENERATION ................................................................................................................................................................ 13
6.7. PWM OUTPUT..................................................................................................................................................................................... 13
6.8. SERIAL SRAM INTERFACE ................................................................................................................................................................... 13
6.8.1. Read/Write timing ................................................................................................................................................................... 13
6.8.2. Continuous Read/Write timing ................................................................................................................................................ 13
6.9. BUS MEMORY INTERFACE .................................................................................................................................................................... 13
6.10.VOLTAGE REGULATOR ......................................................................................................................................................................... 14
6.11.ASYNCHRONOUS SERIAL INTERFACE (UART) ....................................................................................................................................... 14
6.12.LOW VOLTAGE DETECTION................................................................................................................................................................... 14
6.13.WATCHDOG TIMER (WDT) ................................................................................................................................................................... 14
6.14.CODE OPTIONS ................................................................................................................................................................................... 14
6.14.1. Body option......................................................................................................................................................................... 14
6.14.2. 32768 oscillator .................................................................................................................................................................. 14
6.14.3. Watchdog timer .................................................................................................................................................................. 14
6.14.4. LVR..................................................................................................................................................................................... 14
6.14.5. Voltage regulator ................................................................................................................................................................ 15
6.14.6. Regulator output selection.................................................................................................................................................. 15
6.14.7. PWM/DAC (only for GPLB32/GPLB37 selected) ............................................................................................................... 15
6.14.8. Security............................................................................................................................................................................... 15
6.15.CODE OPTIONS (I/O LCD SHARED PIN) FOR GPLB30 SELECTED........................................................................................................... 15
6.15.1. PA[5:7]/SEG[69:67] ............................................................................................................................................................ 15
6.15.2. PB[0:7]/SEG[64:57] ............................................................................................................................................................ 15
6.15.3. PC[2:3]/SEG[66:65] ............................................................................................................................................................ 15
6.15.4. PC[4:7]/SEG[56:53] ............................................................................................................................................................ 15
6.15.5. PD[0:4]/ SEG[52:48] ........................................................................................................................................................... 15
© Generalplus Technology Inc.
Proprietary & Confidential
2
Dec. 28, 2009
Version: 1.5


Part Number GPLB301A
Description LCD Controller
Maker Generalplus
Total Page 26 Pages
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