Datasheet Summary
Two Channel Direct Drive Speech Controller
1 INTRODUCTION
SNC553 is a two-channel voice synthesizer IC with PWM direct drive circuit. It built-in a 4-bit tiny controller with one 4-bit input port and two 4-bit I/O ports. By programming through the tiny controller in SNC553, user’s varied applications including voice section bination, key trigger arrangement, output control, and other logic functions can be easily implemented.
2 Features
Single power supply 2.4V
- 5.5V 20 seconds voice capacity are provided(@6KHZ sample rate) Built in a 4-bit tiny controller One 4-bit input port and two 4-bit I/O ports are provided 128- 4 bits RAM are provided 64K- 10 ROM size are provided for voice...