SNC533 controller equivalent, two channel direct drive speech controller.
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 and two 4-.
including voice section combination, key trigger arrangement, output control, and other logic functions can be easily im.
I Bit3 ~ Bit0 of Input port 1
I/O Bit3 ~ Bit0 of I/O port 2 I/O Bit3 ~ Bit0 of I/O port 3 P Positive power supply P Negative power supply
I Reset pin (active high) O Oscillator / Crystal Out O Positive Output of PWM or DA output O Negative Output of .
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