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DESCRIPTION

The KK8028 is a CMOS LSI chip which electronically plays a prearranged melody. Selection of melody start signal is possible by mask option: orders specification suffix L indicate Level Hold Mode, and suffix S indicate One Shot Mode. The Universal version (as One Shot or Level Hold Mode) is possible also (suffix U).

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 or TO-92 are available