KK8031-xx Description
The KK8031-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. The chip substrate is connected to VSS.
KK8031-xx Key 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
- Dynamic speaker can be driven with external NPN transistor
- Power on reset; melody begins from the first note