SN6A514 Datasheet, PDF (1/5 Pages) SONiX Technology Company – LCD Controller with Voice/Dual Tone Melody

SN6A514
LCD Controller with Voice/Dual Tone Melody
„ INTRODUCTION
SN6A514 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 1024k*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 SN6A514 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
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February 1, 2001