描述 Description

SNC521 is a one-channel voice synthesizer IC with PWM direct drive circuit. It built-ina 4-bit tiny controller with two 4-bit I/O ports. By programming through the tinycontroller in SNC521, user’s varied applications including voice section combination,key trigger arrangement, output control, and other logic functions can be easily implemented.

特性 Features

??Working Voltage :??2.4V - 5.5V
??10 seconds @6KHZ sample rate
??8?I/O
??64*4 bits RAM size
??Max. 16K*10?program ROM
? 21K*10 ROM size
??IR carrier signal is provided
??Built in a high quality speech synthesizer
??PWM Direct Drive circuit
??fixed current D/A output
??System clock : 2MHz
??Low Power Reset