Document
SNC12030
One Channel Speech Controller
===================== CONTENTS =====================
1. 2. 3. 4. 5. INTRODUCTION............................................................................................................3 FEATURES ......................................................................................................................3 PIN ASSIGNMENT.........................................................................................................3 BLOCK DIAGRAM ........................................................................................................4 FUNCTION DESCRIPTIONS .......................................................................................4 5.1 5.2 5.3 5.4 5.5 5.6 5.7 5.8 5.9 6. 7. 8. OSCILLATOR ...............................................................................................................4 ROM ..........................................................................................................................4 RAM ..........................................................................................................................5 POWER DOWN MODE ..................................................................................................5 SAMPLING RATE COUNTER .........................................................................................5 I/O PORTS ...................................................................................................................5 PUSH-PULL OUTPUT ...................................................................................................6 www.DataSheet4U.com WATCH DOG TIMER ....................................................................................................6 IR FUNCTION ..............................................................................................................6
ABSOLUTE MAXIMUM RATING ..............................................................................6 ELECTRICAL CHARACTERISTICS .........................................................................7 APPLICATION CIRCUIT .............................................................................................8
Ver: 1.4
1
March 17, 2005
SNC12030
One Channel Speech Controller
AMENDENT HISTORY
Version Ver 1.3 Ver 1.4 Ver 1.5 Date January 14, 2005 March 17,2005 May 25, 2005 First issue Modify Standby & operation current Remove APPLICATION CIRCUIT RST pin capacitance Add IR Description Description
Ver: 1.4
2
March 17, 2005
SNC12030
One Channel Speech Controller
1. INTRODUCTION
SNC12030 is a one-channel voice synthesizer IC with Push-Pull direct drive circuit. It built-in a 4-bit tiny controller with three 4-bit I/O ports. By programming through the tiny controller in SNC12030, user’s varied applications including voice section combination, key trigger arrangement, output control, and other logic functions can be easily implemented.
2. FEATURES
Single power supply 2.4V – 5.5V 30 seconds voice cap.