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HT56C678 Datasheet(PDF) 1 Page - Holtek Semiconductor Inc |
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HT56C678 Datasheet(HTML) 1 Page - Holtek Semiconductor Inc |
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1 / 104 page  HT56R67/HT56R668/HT56C668 HT56R678/HT56C678/HT56R688 TinyPowerTM A/D Type with LCD 8-Bit MCU Rev. 1.60 1 May 21, 2012 General Description These TinyPower TM A/D Type with LCD 8-bit high perfor- mance RISC architecture microcontrollers are specifi- cally, designed for applications that interface directly to analog signals and which require an LCD or LED inter- face. The devices include an integrated multi-channel An- alog to Digital Converter, Pulse Width Modulation outputs and an LCD/LED driver. With their fully integrated SPI and I 2C functions, design- ers are provided with a means of easy communication with external peripheral hardware. The benefits of inte- grated A/D, LCD, and PWM functions, in addition to low power consumption, high performance, I/O flexibility and low-cost, provides the device with the versatility for a wide range of products in the home appliance and in- dustrial application areas. Some of these products could include electronic metering, environmental moni- toring, handheld instruments, electronically controlled tools, motor driving in addition to many others. The unique Holtek TinyPower technology also gives the devices extremely low current consumption characteris- tics, an extremely important consideration in the present trend for low power battery powered applications. The usual Holtek MCU features such as power down and wake-up functions, oscillator options, programmable frequency divider, etc. combine to ensure user applica- tions require a minimum of external components. Mask type devices, the HT56C668 and HT56C678, are also available for volume production products. Features · Operating voltage: fSYS=100kHz: 2.2V~5.5V fSYS=4MHz: 2.2V~5.5V fSYS=8MHz: 3.0V~5.5V fSYS=12MHz: 4.5V~5.5V · Operating current: fSYS=1MHz at 3V, 170 mA, typ. · OTP Program Memory: 16K´16 ~ 48K´16 · RAM Data Memory: 2304´8 · 24 to 32 bidirectional I/O lines · TinyPower technology for low power operation · Three pin-shared external interrupts lines · Multiple programmable Timer/Event Counters with overflow interrupt and 7-stage prescaler · External Crystal, RC and 32768 XTAL oscillators · Fully integrated RC 32kHz oscillator · Externally supplied system clock option · Watchdog Timer function · PFD/Buzzer for audio frequency generation · Dual Serial Interfaces: SPI and I2C · LCD and LED driver function · 4 operating modes: normal, slow, idle and sleep · 8-channel 12-bit resolution A/D converter · 4-channel 12-bit PWM outputs · Low voltage reset function: 2.1V, 3.15V, 4.2V · Low voltage detect function: 2.2V, 3.3V, 4.4V · Bit manipulation instruction · Table read instructions · 63 powerful instructions · Up to 0.33ms instruction cycle with 12MHz system clock at VDD=5V · Multiple level subroutine nesting · All instructions executed in one or two machine cycles · Power down and wake-up functions to reduce power consumption · Wide range of available package types Technical Document · Application Note - HA0075E MCU Reset and Oscillator Circuits Application Note |
Similar Part No. - HT56C678_12 |
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Similar Description - HT56C678_12 |
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