SNC549
Two Channel Direct Drive Speech Controller
1
INTRODUCTION
SNC549 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, two 4-bit output ports and three
4-bit I/O ports. By programming through the tiny controller in SNC549, 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
16 seconds voice capacity are provided(@6KHZ sample rate)
Built in a 4-bit tiny controller
One 4-bit input port, two 4-bit output ports and three 4-bit I/O ports are provided
128*4 bits RAM are provided
52K*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: 1.3
1
August 26, 2003
SONIX [ SONIX TECHNOLOGY COMPANY ]
