SPL61A

Table of Contents

PAGE

1. GENERAL DESCRIPTION.......................................................................................................................................................................... 3

2. BLOCK DIAGRAM ...................................................................................................................................................................................... 3

3. FEATURES.................................................................................................................................................................................................. 3

4. SIGNAL DESCRIPTIONS ........................................................................................................................................................................... 4

5. FUNCTIONAL DESCRIPTIONS.................................................................................................................................................................. 5

5.1. ROM AREA ........................................................................................................................................................................................... 5

5.2. MAP OF MEMORY AND I/OS .................................................................................................................................................................... 5

5.3. OPERATING STATES ............................................................................................................................................................................... 5

5.4. SPEECH AND MELODY............................................................................................................................................................................ 5

5.5. LCD CONTROLLER/DRIVER.................................................................................................................................................................... 6

5.6. VOLTAGE DOUBLER/REGULATOR ............................................................................................................................................................ 6

5.7. PWM OUTPUT....................................................................................................................................................................................... 6

5.8. ASYNCHRONOUS SERIAL INTERFACE ...................................................................................................................................................... 6

5.9. LOW VOLTAGE DETECTION ..................................................................................................................................................................... 6

5.10. WATCH DOG TIMER (WDT) ................................................................................................................................................................. 7

5.11. MASK OPTIONS................................................................................................................................................................................... 7

6. ELECTRICAL SPECIFICATIONS ............................................................................................................................................................... 8

6.1. ABSOLUTE MAXIMUM RATINGS ............................................................................................................................................................... 8

6.2. DC CHARACTERISTICS........................................................................................................................................................................... 8

7. APPLICATION CIRCUITS........................................................................................................................................................................... 9

7.1. 640 POINTS LCD DRIVER, 40 SEGMENTS X 16 COMMONS, 32768 MASK OPTION X’TAL ........................................................................ 9

7.2. 640 POINTS LCD DRIVER, 40 SEGMENTS X 16 COMMONS, 32768 MASK OPTION R-OSCILLATOR ......................................................... 10

7.3. SERIAL COMMUNICATIONS BETWEEN TWO SPL61AS..............................................................................................................................11

8. PACKAGE/PAD LOCATIONS ................................................................................................................................................................... 12

8.1. PAD ASSIGNMENT ............................................................................................................................................................................... 12

8.2. ORDERING INFORMATION ..................................................................................................................................................................... 12

8.3. PAD LOCATIONS.................................................................................................................................................................................. 13

9. DISCLAIMER............................................................................................................................................................................................. 14

10. REVISION HISTORY ................................................................................................................................................................................. 15

© Sunplus Technology Co., Ltd.

Proprietary & Confidential

2

AUG. 13, 2001

Version: 1.2