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HT37A40 Datasheet(PDF) 1 Page - Holtek Semiconductor Inc |
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HT37A40 Datasheet(HTML) 1 Page - Holtek Semiconductor Inc |
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1 / 85 page  HT37A70/60/50/40/30/20 8-Channel Music Synthesizer MCU Selection Table Most features are common to all devices, the main feature distinguishing them are Program Memory capacity, I/O count, A/D resolution, DAC output, R2F input and package types. The following table summarizes the main features of each device. Part No. VDD Channel OSC Program ROM RAM I/O D/A Power AMP CR/F LVR ADC Package Types HT37A20 2.4V~ 5.5V 6+2 11.059 MHz 32K ´16bit 320 ´8bit 16 1ch-mono ¾ 4 2.2V/ 3.3V ¾ 20/28SOP HT37A30 64K ´16bit 20 2ch-Stereo Ö 8 2.2V/ 3.3V ¾ 28SOP, 48SSOP HT37A40 3.3V~ 5.5V 96K ´16bit 28 2ch-Stereo Ö 8 3.0V 12-bit ´8 28SOP, 64QFP, 80LQFP HT37A50 128K ´16bit 28 2ch-Stereo Ö 8 HT37A60 3.6V~ 5.5V 192K ´16bit 28 2ch-Stereo Ö 8 3.3V HT37A70 256K ´16bit 28 2ch-Stereo Ö 8 Rev. 1.00 1 February 17, 2009 Features · Operating voltage: 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 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 · 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 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 instructions · 63 powerful instructions · All instructions in 1 or 2 machine cycles General Description The device is an 8-bit high performance RISC architec- ture microcontroller specifically designed for various Music and ADPCM applications. It provides an 8-bit MCU and 8-channel Wavetable synthesizer. It has a in- tegrated 8-bit micro controller which controls the syn- thesizer to generate the melody by setting the special register. A Power-down function is included to reduce power consumption. Technical Document · Application Note - HA0075E MCU Reset and Oscillator Circuits Application Note |
Similar Part No. - HT37A40 |
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Similar Description - HT37A40 |
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