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