TECHNICAL DATA
SIMPLE MELODY GENERATOR
FEATURES • 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 • Sound range: 4 octaves, 2 series • Tempo: 16 kinds (prestolargo) • Direct piezo drive FUNCTIONS • Solution of automatic stop or repeat of the melody • Dynamic speaker can be driven with external
NPN transistor • Two or three times repeat of melody (mask option) • Each note can be individually programmed to be staccato or legato (mask option) • Changing the contents of melody is possible by reprogramming the maskable ROM • Power on reset; melody begins from the first note • Start from the head of melody • Bare chip...