SNC532
Two Channel Direct Drive Speech Controller
1 INTRODUCTION
SNC532 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 two 4-bit I/O ports. By
programming through the tiny controller in SNC532, 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
ꢀ 13 seconds voice capacity are provided(@6KHZ sample rate)
ꢀ Built in a 4-bit tiny controller
ꢀ One 4-bit input port and two 4-bit I/O ports are provided
ꢀ 128*4 bits RAM are provided
ꢀ 40K*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
1
Ver: 1.2
November 26, 2002