SN52020中文资料 4 CH Speech/Melody, PPDAC output数据手册Sonix规格书

描述 Description

SN52020 is a 20 seconds single chip 2-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 performancemelody, multiple voices, and other logic functions can be implemented.

特性 Features

• Working Voltage :  2.4V – 5.5V
• 20 seconds @6KHZ sample rate 
• 64*4 bits RAM
• Max. 64K*10 bits ROM
• 64K program ROM
• 4 I/O : P3
  - High drive/sink current P3.2 & P3.3
• IR function : P3.3
• 8-level Push-Pull Direct Drive circuit
• System clock: 2M Hz
  - RC-type or Crystal Option
• Low Voltage Reset
• Watch Dog function