SNC5A4_05 Datasheet, PDF (1/11 Pages) SONiX Technology Company – Two Channel Direct Drive Speech Controller

SNC5A4
Two Channel Direct Drive Speech Controller
1 INTRODUCTION
SNC5A4 is a two-channel voice synthesizer IC with PWM direct drive circuit. It
built-in a 4-bit tiny controller with one 4-bit input port and three 4-bit I/O ports. By
programming through the tiny controller in SNC5A4, user’s varied applications
including voice section combination, key trigger arrangement, output control, and
other logic functions can be easily implemented.
2 FEATURES
Single power supply 2.4V – 5.5V
120 seconds voice capacity are provided(@6KHZ sample rate)
Built in a 4-bit tiny controller
One 4-bit input port and three 4-bit I/O ports are provided
128*4 bits RAM are provided
384K*10 ROM size are provided for voice data and program
Maximum 16k program ROM is provided
Readable ROM code data
IR carrier signal is provided
Built in a high quality speech synthesizer
Adaptive playing speed from 2.5k-20kHz is provided
Two independent voice channels (Channel 1 + Channel 2→Buo1,Buo2)
Built in a PWM Direct Drive circuit and a fixed current D/A output
System clock : 2MHz
Low Power Reset
Ver: 1.4
1
June 8, 2005