HT3421A - Holtek

HT3421A 41 Matrix Key Multi-Function Piano

The HT3421A is a 41-key musical instrument LSI implemented in the CMOS technology. The chip provides 8 rhythms, 8 timbres, 4 pulsatile sounds, 12 demo songs, and a 62-note memory storage function. The 12 × 7 matrix control keys of the HT3421A control both basic keys and function selection inputs. In the Memory mode, the chip can store a tone of 62 notes. Pre.

Features

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• Operating voltage: 2.4V~5V System operating frequency: 512KHz 12 × 7 matrix input keys Auto power-off Power ON/OFF toggle input 41 tones, tone area: G2~B5 8 rhythms
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• 8 timbres 16 steps of tempo speed 4 pulsatile sounds 12 demo songs Memory function with 62 notes 40 pin dual-in-line package General Description The HT3421A is a 41-key musical instrument LSI implemented in the CMOS technology. The chip provides 8 rhythms, 8 timbres, 4 pulsatile sounds, 12 demo songs, and a 62-note memory storage function. The 12 × 7 matrix control keys of the HT3421A control both basi.