SNC538 Two Channel Direct Drive Speech Controller 1 INTRODUCTION SNC538 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, two 4-bit output ports and three 4-bit I/O ports.
By programming through the tiny controller in SNC538, user’s varied applications including voice section combination, key trigger arrangement, output control, and other logic functions can be easily implemented.
2 FEATURES Single power supply 2.
4V – 5.
5V 13 seconds voice capacity are provided(@6KHZ sample rate) Built in a 4-bit tiny controller One 4-bit input port, two 4-bit output ports and three 4-bit I/O ports are provided 128*4 bits RAM a...

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