SNC31250中文资料1 CH Speech with noise filter, 12bit PPDAC output数据手册Sonix规格书

描述 Description

SNC31250 is a 257 seconds single chip 1-channel voice synthesizer IC which containsI/O pins and a tiny controller. By programming through the tiny controller, users’applications including section combination, trigger modes, output status, high soundquality, and other logic functions can be implemented.

特性 Features

• Working Voltage :  1.9V – 5.5V
• 257 seconds @6KHZ
• 256*4 bits RAM 
• Max. 640K*10 bits ROM
• 64K program ROM
• 16 I/O ports : P1, P2, P3, P6
• IR function : P3.3
• 8-level Push-Pull Direct Drive circuit
• 12 bit Push-Pull DA output.
• System clock: 2MHz  
• Option of Internal RC or Crystal
• Low Voltage Detect circuit
• Watch Dog function