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| SN69040B LCD Controller with Voice/Dual Tone Melody INTRODUCTION SN69040B is a single chip voice/dual tone melody synthesizer IC with 4*32 LCD direct drive capability which contains two 4-bit I/O ports, two optional 4-bit output ports and a tiny controller. By programming through the tiny controller, user's applications including LCD display, section combination, trigger modes, output status, voice/melody playing and other logic functions and then be easily implemented. FEATURES Single power supply 2.4V - 5V Built in a tiny controller Two 4-bit I/O ports and two optional 4-bit output ports are provided Built in 40K*10 ROM 256*4 bits RAM for programming usage are provided 32*4 bits RAM for LCD display usage are provided Maximum 16k program ROM is provided Readable ROM code data Built in direct 4*32 LCD driver LCD 1/3 bias, 1/4 duty Built in a high quality speech synthesizer Adaptive playing speed from 2.5k-40kHz is provided Built in a dual tone melody generator Speech/Dual tone melody mixer is provided which SN69040B can play speech and dual tone melody simultaneously Fixed current D/A output is provided to drive external connected transistor for sound output PWM output is provided to drive external connected piezo buzzer Ver 1.1 1 February 15, 2006 SN69040B LCD Controller with Voice/Dual Tone Melody PIN ASSIGNMENT Symbol SEG1-SEG24 SEG25/P53-SE G28/P50 SEG29/P43-SE G32/P40 COM1-COM4 GND P33-P30 P23-P20 BU1,BU2 VO RST OSC TEST XIN,XOUT VDD I O I I/O I/O O O I I I O I/O O O Function Description segment 1~24 for LCD driver Optional to be SEG25-SEG28 or P53-P50 SEG25-28: segment25~28 for LCD driver. P53-P50: Bit3-bit0 for output port 5. Optional to be SEG29~SEG32 or P43-P40 SEG29~32: segment29~32 for LCD driver. P43~P40: Bit3-bit0 for output port 4. Com1-Com4 for LCD driver. Negative power supply. Bit 3 to bit 0 of IO port 3. Bit 3 to bit 0 of IO port 2. Buzzer driver outputs. D/A current output. Reset pin with internal pull low. Oscillation component connection pin. For testing only. 32768 Hz Crystal connection pins. Positive power supply. Ver 1.1 2 February 15, 2006 SN69040B LCD Controller with Voice/Dual Tone Melody ABSOLUTELY MAXIMUM RATING Items Supply Voltage Input Voltage Operating Temperature Storage Temperature TSTG -55.0 125.0 o Symbol VDD-V VIN TOP Min -0.3 VSS-0.3 -20.0 Max 6.0 VDD+0.3 70.0 Unit. V V o C C ELECTRICAL CHARACTERISTIC Item Sym. Min. Operating VDD 2.4 Voltage Standby current 1 ISBY1 Operating current Input current of ,P2,P3 Drive current of P2,P3,P4,P5 large Sink current of P2,P3,P4,P5 Input Pull Low Resistor D/A output current Buzzer drive current Buzzer sink current Oscillation resistor Oscillation Freq. IOPR IIH IOD IOS1 R IVO IBZD IBZS R FOSC 2 3 Typ. 3.0 2.5 450 3.0 1 3.0 15 15 330 1.0 10.0 Max. 5.1 3.5 Unit Condition V uA uA uA mA mA VDD=3V,both system clk and 32768 Hz clk are off VDD=3V, no load VDD=3V,VIN=3V VDD=3V,VO=2.6V VDD=3V,VO=0.4V M VDD=3V mA mA mA VDD=3V,VO=0.7V VDD=3V,VO=1.5V VDD=3V,VO=1.5V K VDD=3V MHZ VDD=3V Ver 1.1 3 February 15, 2006 SN69040B LCD Controller with Voice/Dual Tone Melody BONDING PAD SN69040B Note: The substrate MUST be connected to Vss in PCB layout. Ver 1.1 4 February 15, 2006 SN69040B LCD Controller with Voice/Dual Tone Melody 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. Ver 1.1 5 February 15, 2006 |
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