SN6A512

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 SEG1 ~ SEG56 SEG57/P53 ~ SEG60/P50 I/O O O Function Description Segment1~ 56 for LCD driver Opt...