HT37A40 - Holtek Semiconductor

HT37A40 (HT37A20 - HT37A70) 8-Channel Music Synthesizer MCU

The device is an 8-bit high performance RISC architecture microcontroller specifically designed for various Music and ADPCM applications. It provides an 8-bit MCU and 8-channel Wavetable synthesizer. It has a integrated 8-bit micro controller which controls the synthesizer to generate the melody by setting the special register. A Power-down function is inclu.

Features

· Operating voltage:
· 16-bit table read instructions for any bank/page read
· Support 16 to 28 bidirectional I/O lines
· Integrated 2-ch stereo or 1-ch mono 16-bit DAC 3.6V~5.5V (HT37A70/60) 3.3V~5.5V (HT37A50/40) 2.4V~5.5V (HT37A30/20)
· Operating frequency: 11.059MHz
· Oscillation modes for the Oscillator clock converter
· Integrated power Amplifier
· Integrated 8-channel 12-bit A/D converter
· Eight channel polyphonic synthesizer
· Low voltage reset (Tolerance ± 10%)
· External interrupt INT
· External 2 Timer clock input
· 4 or 8 touch switch input
· ADPCM decoder
· Bit manipulation ins.