SNC21200A数据手册Sonix中文资料规格书

描述 Description

SNC21200A is a one-channel voice synthesizer IC with Push-Pull direct drive circuit.It built-in a 4-bit tiny controller with four 4-bit I/O ports. By programming throughthe tiny controller in SNC21200A, user’s varied applications including voice sectioncombination, key trigger arrangement, output control, and other logic functions canbe easily implemented.

特性 Features

• Working Voltage : 2.4V – 5.5V
•  System Clock : 2MHz
•  200 seconds @6KHZ sample rate
•  I/O Port
  - 16 bit I/O ports : P1, P2, P3, P6
  - High driving/sink current : P3.2 & P3.3
  - IR function : P3.3 or P2.3 
•  128*4 bits RAM
•  Max. 16K*10 program ROM
•  640K*10 shared ROM
•  8-level Push-Pull Direct Drive circuit
•  12 bit Push-Pull DA output
•  Low-Voltage Detect circuit
•  Watch Dog Timer Reset function