SNC558数据手册Sonix中文资料规格书

描述 Description

SNC558 is a two-channel voice synthesizer IC with PWM direct drive circuit. It built-ina 4-bit tiny controller with one 4-bit input port, two 4-bit output ports and three4-bit I/O ports. By programming through the tiny controller in SNC558, user’s variedapplications including voice section combination, key trigger arrangement, outputcontrol, and other logic functions can be easily implemented.

特性 Features

• Working Voltage :  2.4V - 5.5V
• 20 seconds @6KHZ sample rate
• 12 I/O
• 4 input pin
• 8 output pin 
• 128*4 bits RAM size
• Max. 16K*10 program ROM
• 64K*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