SN6A509 Datasheet, PDF (1/5 Pages) SONiX Technology Company – LCD Controller with Voice/Dual Tone Melody

SN6A509
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 combination, trigger
modes, output status, voice/melody playing and other logic functions and then
be easily implemented.
„ FEATURES
Š Single power supply 2.4V – 5.1V
Š Built in a tiny controller
Š Two 4-bit I/O ports, two optional 4-bit output ports are provided
Š 256*4 bits RAM for programming usage are provided
Š 256*4 bits RAM for LCD display usage are provided
Š Maximum 96k*10 program ROM is provided
Š Readable ROM code data
Š Built in direct 16*64/8*64 LCD driver
Š LCD 1/4 bias, 1/5 bias; 1/8 duty, 1/16 duty
Š Built in a high quality speech synthesizer
Š Adaptive playing speed from 2.5k-40kHz is provided
Š Built in a dual tone melody generator
Š Speech/Dual tone melody mixer is provided which SN6A509 series can play
speech and dual tone melody simultaneously
Š Fixed current D/A output is provided to drive external connected transistor
for sound output
Š PWM output is provided to drive external connected piezo buzzer
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February 1, 2001