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HT66FU50 Datasheet(PDF) 9 Page - Holtek Semiconductor Inc |
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HT66FU50 Datasheet(HTML) 9 Page - Holtek Semiconductor Inc |
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9 / 259 page  HT66F20/HT66F30/HT66F40/HT66F50/HT66F60 HT66FU30/HT66FU40/HT66FU50/HT66FU60 Enhanced A/D Flash Type MCU 8-Bit MCU with EEPROM Rev. 1.50 9 March 15, 2011 General Description The HT66FXX series of devices are Flash Memory A/D type 8-bit high performance RISC architecture microcontrollers. Offering users the convenience of Flash Memory multi-programming features, these devices also include a wide range of functions and features. Other memory includes an area of RAM Data Memory as well as an area of EEPROM memory for storage of non-volatile data such as serial numbers, calibration data etc. Analog features include a multi-channel 12-bit A/D con- verter and dual comparator functions. Multiple and ex- tremely flexible Timer Modules provide timing, pulse generation and PWM generation functions. Communica- tion with the outside world is catered for by including fully integrated SPI or I 2C interface functions, two popular inter- faces which provide designers with a means of easy com- munication with external peripheral hardware. Protective features such as an internal Watchdog Timer, Low Voltage Reset and Low Voltage Detector coupled with excellent noise immunity and ESD protection ensure that reliable operation is maintained in hostile electrical environments. A full choice of HXT, LXT, ERC, HIRC and LIRC oscilla- tor functions are provided including a fully integrated system oscillator which requires no external compo- nents for its implementation. The ability to operate and switch dynamically between a range of operating modes using different clock sources gives users the ability to optimise microcontroller operation and mini- mise power consumption. The UART module is contained in the HT66FUx0 series of devices. It can support the applications such as data com- munication networks between microcontrollers, low-cost data links between PCs and peripheral devices, portable and battery operated device communication, etc. The inclusion of flexible I/O programming features, Time-Base functions along with many other features en- sure that the devices will find excellent use in applica- tions such as electronic metering, environmental monitoring, handheld instruments, household appli- ances, electronically controlled tools, motor driving in addition to many others. Features CPU Features · Operating Voltage: f SYS= 8MHz: 2.2V~5.5V f SYS= 12MHz: 2.7V~5.5V f SYS= 20MHz: 4.5V~5.5V · Up to 0.2ms instruction cycle with 20MHz system clock at V DD=5V · Power down and wake-up functions to reduce power consumption · Five oscillators: External Crystal -- HXT External 32.768kHz Crystal -- LXT External RC -- ERC Internal RC -- HIRC Internal 32kHz RC -- LIRC · Multi-mode operation: NORMAL, SLOW, IDLE and SLEEP · Fully integrated internal 4MHz, 8MHz and 12MHz oscillator requires no external components · All instructions executed in one or two instruction cycles · Table read instructions · 63 powerful instructions · Up to 12-level subroutine nesting · Bit manipulation instruction Peripheral Features · Flash Program Memory: 1K´14 ~ 12K´16 · RAM Data Memory: 64´8 ~ 576´8 · EEPROM Memory: 32´8~256´8 · Watchdog Timer function · Up to 50 bidirectional I/O lines · Software controlled 4-SCOM lines LCD driver with 1/2 bias · Multiple pin-shared external interrupts · Multiple Timer Module for time measure, input capture, compare match output, PWM output or single pulse output function · Serial Interfaces Module -- SIM for SPI or I2C · Dual Comparator functions · Dual Time-Base functions for generation of fixed time interrupt signals · Multi-channel 12-bit resolution A/D converter · Low voltage reset function · Low voltage detect function · Optional peripheral -- UART module for fully duplex asynchronous communication · Wide range of available package types Technical Document · Application Note - HA0075E MCU Reset and Oscillator Circuits Application Note |
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