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HT37Q20

Holtek Semiconductor
Part Number HT37Q20
Manufacturer Holtek Semiconductor
Description (HT37Q20 - HT37Q70) 4-Channel Music Synthesizer MCU
Published Jun 5, 2009
Detailed Description HT37Q70/60/50/40/30/20 4-Channel Music Synthesizer MCU Technical Document · Tools Information www.datasheet4u.com · FAQs...
Datasheet PDF File HT37Q20 PDF File

HT37Q20
HT37Q20

Overview
HT37Q70/60/50/40/30/20 4-Channel Music Synthesizer MCU Technical Document · Tools Information www.
datasheet4u.
com · FAQs · Application Note - HA0075E MCU Reset and Oscillator Circuits Application Note Features · Operating voltage: · 16-bit table read instructions for any bank/page read · Support 16 to 28 bidirectional I/O lines · Integrated 1-ch mono 16-bit DAC 3.
6V~5.
5V (HT37Q70/60) 3.
3V~5.
5V (HT37Q50/40) 2.
4V~5.
5V (HT37Q30/20) · Operating frequency: typical 11.
059MHz · Oscillation modes for the Oscillator clock converter · Integrated power Amplifier · Four 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 instructions · 63 powerful instructions · All instructions in 1 or 2 machine cycles fOSC: Crystal (11.
059MHz) 1-pin RC oscillation typ.
11.
059MHz · Built-in 8-bit MCU (HT-8) with 320´8 bits RAM · Built-in 32K´16-bits to 256K´16-bits ROM for program/data shared · Eight-level subroutine nesting · Two 8 bit timer and one 16 bit timer · Watchdog timer · Power-down and Wake-up features for power saving operation General Description 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 4-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 included to reduce power consumption.
Selection Table Most features are common to all devices, the main feature distinguishing them are Program Memory capacity, I/O count, DAC output, R2F input and package types.
The following table summarizes the main features of each device.
Part No.
VDD Channel OSC Program ROM 32K´16bit 2.
4V~ 5.
5V HT37Q30 HT37Q40 HT37Q50 HT37Q60 HT37Q70 3.
3V~ 5.
5V 3.
6V~ 5.
5V 11.
059 MHz 64K´16bit 96K´16bit 128K´16bit 192K´16bit 25...


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