SN6A512 LCD Controller with Voice/Dual Tone Melody INTRODUCTION SN6A512 is a series of single chip voice/dual tone melody synthesizer IC with 16*64/8*64 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 application 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 – 5.1V Built in a tiny controller Two 4-bit I/O ports, two optional 4-bit output ports are provided 256*4 bits RAM for programming usage are provided 256*4 bits RAM for LCD display usage are provided Maximum 512k*10 program ROM is provided Readable ROM code data Built in direct 16*64/8*64 LCD driver LCD 1/4 bias, 1/5 bias; 1/8 duty, 1/16 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 SN6A512 series 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 1 February 1, 2001 SN6A512 LCD Controller with Voice/Dual Tone Melody PIN ASSIGNMENT Symbol I/O Function Description SEG1 ~ SEG56 O Segment1~ 56 for LCD driver SEG57/P53 ~ O Optional to be Segment57 ~ 60 or P53-P50 SEG60/P50 Seg57-60: segment57 ~ 60 for LCD driver. P53-P50: bit3-bit0 for output port 5. SEG61/P43 ~ O SEG64/P40 Optional to be segment61 ~ 64 or P43-P40 SEG61-64: segment61 ~ 64 for LCD driver. P43-P40: Bit3-bit0 for output port 4. COM1-COM16 O Com1-Com16 for LCD driver. GND I Negative power supply. P33-P30 I/O Bit 3 to bit 0 of IO port 3. P23-P20 I/O Bit 3 to bit 0 of IO port 2. BU1,BU2 O Buzzer driver outputs. VO O D/A current output. RST I Reset pin with internal pull low. OSC I Oscillation component connection pin. TEST I For testing only. XIN,XOUT VDD 32768 Hz Crystal connection pins. I VLCDR LCD voltage adjusting pin. VLC1-VLC4 WSUB Positive power supply. LCD voltage bias connection pins. I Well substrate of chip. Connected to the highest voltage of chip (VDD or VLCDR). 2 February 1, 2001 SN6A512 LCD Controller with Voice/Dual Tone Melody ABSOLUTELY 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 TOP -20.0 70.0 o TSTG -55.0 125.0 o C Temperature Storage Temperature C ELECTRICAL CHARACTERISTIC Item Sym. Min. Operating VDD 2.4 Voltage Standby current 1 ISBY1 - Typ. 3.0 Max. 5.1 Unit Condition V - 1.0 uA Standby current 2 ISBY2 - 20 50 uA Operating current Input current of ,P2,P3 Drive current of P2,P3,P4,P5 large Sink current of P2,P3,P4,P5 Small Sink current of P2,P3,P4,P5 D/A output current Buzzer drive current Buzzer sink current Oscillation resistor Oscillation Freq. IOPR - 350 500 uA VDD=3V,both system clk and 32768 Hz clk are off VDD=3V, system clk is off, 32768 Hz clk is on for LCD display and timer. VDD=3V, no load IIH - 3.0 10.0 uA VDD=3V,VIN=3V IOD -1.5 -2 - mA VDD=3V,VO=2.6V IOS1 2.0 3 - mA VDD=3V,VO=0.4V IOS2 - 0.4 - uA VDD=3V,VO=0.4V IVO 2.0 3.0 4.0 mA VDD=3V,VO=0.7V IBZD -15 mA VDD=3V,VO=1.5V IBZS 15 mA VDD=3V,VO=1.5V R - 1.0 - MHZ VDD=3V FOSC - 1.0 - MHZ VDD=3V 3 February 1, 2001 SN6A512 LCD Controller with Voice/Dual Tone Melody BONDING PAD SN6A512 Note: The substrate MUST be connected to Vss in PCB layout. 4 February 1, 2001 SN6A512 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. 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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 February 1, 2001