SN66168 4-Channel Speech Controller INTRODUCTION SN66168 is a 168 seconds single chip 4-channel voice synthesizer IC which contains I/O ports and a tiny controller. By programming through the tiny controller, user’s applications including section combination, trigger modes, output status, high performance melody, multiple voices, and other logic functions can be implemented. FEATURES Single power supply 2.4V – 5.1V Built in a tiny controller 168 seconds voice capacity are provided One 4-bit input port, two 4-bit I/O ports and one 4-bit output port are provided 128*4 bits RAM are provided Maximum 64k program ROM is provided Readable ROM code data Built in a high quality speech synthesizer Four independent voice channels Adaptive playing speed from 4k-40kHz is provided for all 4 channels individually Automatic repetition for every channel A 6-bit*8-bit Multiplier is embed to modulate the volume of synthesized voices Two digital mixers (with saturation control) are provided Two 8-bit current output DA converters (Channel 1 + Channel 2 → DA1, Channel 3 + Channel 4 → DA2 ) System clock: 2M Hz ( R-type or Crystal Option) 1 December 20, 2000 SN66168 4-Channel Speech Controller PIN ASSIGNMENT Symbol I/O Function Description P10 I Bit0 of input port 1 P11 I Bit1 of input port 1 P12 I Bit2 of input port 1 P13 I Bit3 of input port 1 P20 I/O Bit0 of I/O port 2 P21 I/O Bit1 of I/O port 2 P22 I/O Bit2 of I/O port 2 P23 I/O Bit3 of I/O port 2 P30 I/O Bit0 of I/O port 3 P31 I/O Bit1 of I/O port 3 P32 I/O Bit2 of I/O port 3 P33 I/O Bit3 of I/O port 3 P40 O Bit0 of output port 3 P41 O Bit1 of output port 3 P42 O Bit2 of output port 3 P43 O Bit3 of output port 3 VDD I Positive power supply GND I Negative power supply OSC/XIN I Oscillator / Crystal In XOUT O Crystal Out CKSEL I VO1 O Clock type select ‘L’ → R type (1M) ‘H’ → 2M Crystal Internal pull low. D/A current output, for channel 1 and 2 VO2 O D/A current output, for channel 3 and 4 2 December 20, 2000 SN66168 4-Channel Speech Controller ABSOLUTE MAXIMUM RATING Items Symbol Min Max Unit. Supply Voltage VDD-V -0.3 6.0 V Input Voltage VIN VSS-0.3 VDD+0.3 V Operating Temperature TOP -20.0 70.0 o Storage Temperature TSTG -55.0 125.0 o C C ELECTRICAL CHARACTERISTICS Item Sym. Min. Typ. Max. Unit Condition Operating Voltage VDD 2.4 3.0 5.1 V Standby Current ISBY - - 1.0 uA VDD=3V Operating Current IOPR - - 350 uA VDD=3V, no load Input Current of P1 IIH - 3.0 10.0 uA VDD=3V,VIN=3V Drive Current of P2, P3, IOD 1.5 2 - mA VDD=3V,VO=2.4V Sink Current of P2,P3,P4 IOS 2.0 3 - mA VDD=3V,VO=0.4V VO1/VO2 Output Current IVO 2.0 3.0 4.0 mA VDD=3V,VO=0.7V FOSC - 2.0 - P4 Oscillation Freq. 3 MHz VDD=3V December 20, 2000 SN66168 4-Channel Speech Controller BONDING PAD SN66168 Note: The substrate MUST be connected to Vss in PCB layout. 4 December 20, 2000 SN66168 4-Channel Speech Controller DISCLAIMER The information appearing in SONiX web pages (“this publication”) is believed to be accurate. However, this publication could contain technical inaccuracies or typographical errors. The reader should not assume that this publication is error-free or that it will be suitable for any particular purpose. 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Integrated circuits sold by SONiX are covered by the warranty and patent indemnification provisions stipulated in the terms of sale only. The application circuits illustrated in this document are for reference purposes only. SONIX DISCLAIMS ALL WARRANTIES, INCLUDING THE WARRANTY OF MERCHANTABILITY OR FITNESS FOR ANY PURPOSE. SONIX reserves the right to halt production or alter the specifications and prices, and discontinue marketing the Products listed at any time without notice. Accordingly, the reader is cautioned to verify that the data sheets and other information in this publication are current before placing orders. Products described herein are intended for use in normal commercial applications. Applications involving unusual environmental or reliability requirements, e.g. military equipment or medical life support equipment, are specifically not recommended without additional processing by SONIX for such application. 5 December 20, 2000