GPLB30A

© Generalplus Technology Inc.

Proprietary & Confidential

2

JAN. 07, 2008

Version: 1.4

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. MEMORY ............................................................................................................................................................................................... 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....................................................................................................................................................................... 8

6.10.VOLTAGE REGULATOR............................................................................................................................................................................ 9

6.11. ASYNCHRONOUS SERIAL INTERFACE (UART) ......................................................................................................................................... 9

6.12.LOW VOLTAGE DETECTION ..................................................................................................................................................................... 9

6.13.KEY SCAN FUNCTION ............................................................................................................................................................................. 9

6.14.WATCHDOG TIMER (WDT) ..................................................................................................................................................................... 9

6.15.BONDING OPTIONS .............................................................................................................................................................................. 10

6.16.MASK OPTIONS.................................................................................................................................................................................... 10

7. ELECTRICAL SPECIFICATIONS ............................................................................................................................................................. 11

7.1. ABSOLUTE MAXIMUM RATINGS ..............................................................................................................................................................11

7.2. DC CHARACTERISTICS..........................................................................................................................................................................11

7.3. THE RELATIONSHIPS BETWEEN THE ROSC AND THE FCPU......................................................................................................................... 12

7.4. THE RELATIONSHIPS BETWEEN THE FCPU AND THE VDD......................................................................................................................... 12

7.5. THE RELATIONSHIPS BETWEEN THE FCPU AND THE IOP ............................................................................................................................ 12

7.6. THE RELATIONSHIPS BETWEEN THE FCPU AND THE IOP ............................................................................................................................ 12

8. APPLICATION CIRCUITS ......................................................................................................................................................................... 13

8.1. 1040 DOTS LCD DRIVER, 65 SEGMENTS × 16 COMMONS, 1/5 BIAS WITH EXTERNAL SERIAL SRAM, REGULATOR DISABLED- (1) ............ 13

8.2. 912 DOTS LCD DRIVER, 57 SEGMENTS × 16 COMMONS, 1/5 BIAS WITH EXTERNAL BUS ROM, REGULATOR DISABLED - (2) ................... 14

8.3. 912 DOTS LCD DRIVER, 57 SEGMENTS × 16 COMMONS, 1/5 BIAS WITH EXTERNAL BUS FLASH, REGULATOR ENABLED - (3) ................... 15

8.4. 912 DOTS LCD DRIVER, 57 SEGMENTS × 16 COMMONS, 1/5 BIAS WITH BUS EXTENDER, REGULATOR DISABLED - (4) ............................ 16

8.5. SERIAL COMMUNICATIONS BETWEEN TWO GPLB30AS - (5)................................................................................................................... 17

9. PACKAGE/PAD LOCATIONS ................................................................................................................................................................... 18

9.1. ORDERING INFORMATION ..................................................................................................................................................................... 18

10. DISCLAIMER............................................................................................................................................................................................. 19

11. REVISION HISTORY ................................................................................................................................................................................. 20