HT86A72 Overview
The devices are Voice type series 8-bit high performance microcontrollers which include a voice synthesiser and tone generator. They are specifically designed for applications which require multiple I/Os and sound effects, such as voice and melodies. They can provide various sampling rates and beats, tone levels, tempos for speech synthesisers and melody generators.
HT86A72 Key Features
- HT86AXX Operating voltage: 2.0V~5.5V
- Four 8-bit programmable Timer with overflow
- System clock: 4MHz~8MHz
- Crystal and RC system oscillator
- 40 I/O pins
- 8K´16-bit Program Memory
- 384´8-bit Data Memory
- 768/1536K-bit voice ROM size
- 36/72 sec voice length
- External interrupt input