SN6A509 Datasheet | SONiX Technology Company

LCD Controller with Voice/Dual Tone Melody - INTRODUCTION SN6A509 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 bination, 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 96k- 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-40k Hz is provided Built in a dual tone melody generator Speech/Dual tone melody mixer is provided which SN6A509 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 February 1, 2001 LCD Controller with Voice/Dual Tone Melody - PIN ASSIGNMENT Symbol SEG1 ~ SEG56 SEG57/P53 ~ SEG60/P50 I/O O O Function Description Segment1~ 56 for LCD driver Optional to be Segment57 ~ 60 or P53-P50 Seg57-60: segment57 ~ 60 for LCD driver. P53-P50: bit3-bit0 for output port 5. SEG61/P43 ~ SEG64/P40 O Optional to be segment61 ~ 64 or P43-P40 SEG61-64: segment61 ~ 64 for LCD driver. P43-P40: Bit3-bit0 for output port 4. 1-16 GND P33-P30 P23-P20 BU1,BU2 VO RST OSC TEST XIN,XOUT VDD VLCDR VLC1-VLC4 WSUB I I O I I/O I/O O O I I I 1-16 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...