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| SN68090 Speech Controller INTRODUCTION SN68090 is a 90 seconds single chip voice synthesizer IC which contains I/O pins and a tiny controller. By programming through the tiny controller, user's applications including section combination, trigger modes, output status, and other logic functions can then be easily implemented. FEATURES Single power supply 2.4V - 5.1V Built in a tiny controller 90 seconds voice capacity are provided Two 4-bit I/O ports and two 4-bit output ports are provided 64*4 bits RAM are provided Maximum 16k program ROM is provided Readable ROM code data Built in a high quality speech synthesizer Adaptive playing speed from 2.5k-20kHz is provided Built in a dual tone melody generator Speech/Dual tone melody mixer is provided Fixed current D/A output is provided to drive external connected transistor for sound output Low Voltage Reset 1 December 20, 2000 SN68090 Speech Controller PIN ASSIGNMENT Symbol P20 P21 P22 P23 P30 P31 P32 P33 P40 P41 P42 P43 P50 P51 P52 P53 VDD OSC TEST RESET GND VO I/O I/O I/O I/O I/O I/O I/O I/O I/O O O O O O O O O I I I I I O Function Description Bit0 of I/O port 2 Bit1 of I/O port 2 Bit2 of I/O port 2 Bit3 of I/O port 2 Bit0 of I/O port 3 Bit1 of I/O port 3 Bit2 of I/O port 3 Bit3 of I/O port 3 Bit0 of output port 4 Bit1 of output port 4 Bit2 of output port 4 Bit3 of output port 4 Bit0 of output port 5 Bit1 of output port 5 Bit2 of output port 5 Bit3 of output port 5 Positive power supply Oscillation component connection pin For testing only Reset pin Negative power supply D/A current output 2 December 20, 2000 SN68090 Speech Controller ABSOLUTE MAXIMUM RATING Items Supply Voltage Input Voltage Operating Temperature Storage Temperature Symbol VDD VIN TOP TSTG Min -0.3 VSS-0.3 -20.0 -55.0 Max 6.0 VDD+0.3 70.0 125.0 Unit. V V o o C C ELECTRICAL CHARACTERISTICS Item Operating Voltage Standby Current Operating Current Input Current of P1 Drive Current of P2,P3 Sink Current of P2,P3 D/A Output Current Oscillation Freq. Sym. Min. Typ. Max. Unit VDD ISBY IOPR Ii IOD IOS IVO FOSC 2.4 1.5 2.0 2.0 3.0 3 2 3 3.0 1.0 5.1 2.0 250 4.0 V uA VDD=3V, no load uA VDD=3V, no load uA VDD=3V mA VDD=3V,VO=2.4V mA VDD=3V,VO=0.4V mA VDD=3V,VO=0.7V MHz VDD=3V Condition 3 December 20, 2000 SN68090 Speech Controller BONDING PAD SN68090 Note: The substrate MUST be connected to Vss in PCB layout. 4 December 20, 2000 SN68090 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. SONiX makes no warranty, express, statutory implied or by description in this publication or other documents which are referenced by or linked to this publication. In no event shall SONiX be liable for any special, incidental, indirect or consequential damages of any kind, or any damages whatsoever, including, without limitation, those resulting from loss of use, data or profits, whether or not advised of the possibility of damage, and on any theory of liability, arising out of or in connection with the use or performance of this publication or other documents which are referenced by or linked to this publication. This publication was developed for products offered in Taiwan. SONiX may not offer the products discussed in this document in other countries. Information is subject to change without notice. Please contact SONiX or its local representative for information on offerings available. 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 |
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