SNC539 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, two 4-bit.
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 O Bit3 ~ Bit0 of Output port 4 O Bit3 ~ Bit0 of Output port 5 I/O Bit3 ~ Bit0 of I/O port 6 P Positive power supply P Negative power supply
I Reset pin (active .
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