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TECHNICAL DATA
BT8031-XX FEATURES
• 127-note ROM memory • 2.0V to 5.0V 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
FUNCTIONS
• 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
DESCRIPTION
The BT8031-XX 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.
BT8031 Datasheet
