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□ 127-note ROM memory .
□ 1.3V to 3.3V power supply and low power consumption
□ RC oscillator on chip ,
□ One shot or level hold mode (mask option)
□ Sound range: 2.5 octaves, 2 series
□ Tempo: 16 kinds (presto-largo)
□ Double sound sources
□ Digital Envelope Effect
□ Dynamic speaker can be driven with external NPN transistor
□ Power on reset; melody begins from the first note
□ Start from the head of melody
□ Bare chip or TO-92 are available
The BT8031 is a CMOS LSI chip, which plays a prearranged melodies. The ROM has a 127 words and can store up to two melodies with double sound sources, and it uses the built-in digital envelope circuit.
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