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전자부품 데이터시트 검색엔진 |
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전자부품 데이터시트 검색엔진 |
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HT86B50 데이터시트(PDF) 1 Page - Holtek Semiconductor Inc |
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HT86B50 데이터시트(HTML) 1 Page - Holtek Semiconductor Inc |
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1 / 83 page  HT86BXX/HT86BRXX Enhanced Voice 8-Bit MCU Rev. 1.70 1 February 22, 2010 General Description The Voice type series of MCUs are 8-bit high perfor- mance microcontrollers which include a voice synthe- sizer and tone generator. They are designed for applications which require multiple I/Os and sound ef- fects, such as voice and melody. The devices can pro- vide various sampling rates and beats, tone levels, tempos for speech synthesizer and melody generator. They also include an integrated high quality, voltage type DAC output. The external interrupt can be trig- gered with falling edges or both falling and rising edges. The devices are excellent solutions for versatile voice and sound effect product applications with their efficient MCU instructions providing the user with programming capability for powerful custom applications. The system frequency can be up to 8MHz at an operating voltage of 2.2V and include a power-down function to reduce power consumption. Device Types Devices which have the letter ²BR² within their part number, indicate that they are OTP devices offering the advantages of easy and effective program updates, us- ing the Holtek range of development and programming tools. These devices provide the designer with the means for fast and low-cost product development cy- cles. Devices which have the letter ²B² within their part number indicate that they are mask version devices. These devices offer a complementary device for appli- cations that are at a mature state in their design process and have high volume and low cost demands. Part numbers including ²R² are OTP devices, all others are mask version devices. Fully pin and functionally compatible with their OTP sis- ter devices, the mask version devices provide the ideal substitute for products which have gone beyond their development cycle and are facing cost-down demands. In this datasheet, for convenience, when describing de- vice functions, only the OTP types are mentioned by name, however the same described functions also ap- ply to the Mask type devices. Features · Operating voltage: 2.2V~5.5V · System clock: 4MHz~8MHz · Crystal and RC system oscillator · 16/20/24 I/O pins · 8K´16-bit Program Memory · 192´8/384´8-bit Data Memory · External interrupt input · Three 8-bit programmable Timers with overflow interrupt and 8-stage prescaler · 12-bit high quality voltage type D/A output · PWM circuit direct audio output · External RC oscillator converter · 8 capacitor/resistor sensor input · Watchdog timer function · 8-level subroutine nesting · Low voltage reset function · Integrated voice ROM with various capacities · Power-down function and wake-up feature reduce power consumption · Up to 0.5ms instruction cycle with 8MHz system clock at VDD=5V · 63 powerful instructions Technical Document · Application Note - HA0075E MCU Reset and Oscillator Circuits Application Note |
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