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CPU Features Operating voltage: fSYS= 32768Hz: 2.2V~5.5V fSYS= 4MHz: 2.2V~5.5V fSYS= 8MHz: 3.3V~5.5V fSYS= 12MHz: 4.5V~5.5V Up to 0.33us instruction cycle with 12MHz system clock at VDD= 5V TinyPower technology for low power operation Power down and wake-up functions to reduce power consumption Oscillator types: -- 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 32kHz, 910kHz, 2MHz, 4MHz and 8MHz oscillator requires no external components Externally supplied system clock option All instructions executed in one or two machine Cycles Table read instructions 63 powerful instructions 6-level subroutine nesting Bit manipulation instruction Peripheral Features Flash Program Memory: 2Kx15 RAM Data Memory: 128x8 EEPROM Data Memory: 64x8 Watchdog Timer function Up to 22 bidirectional I/O lines Software controlled 4-SCOM lines LCD COM driver with 1/2 bias Multiple pin-shared external interrupts Single 8-bit programmable Timer/Event Counter with overflow interrupt and Single 16-bit programmable Timer/Event Counter with overflow interrupt function Dual Time-Base functions Serial Interfaces Module - SIM for SPI or I2C Dual Comparator functions (HT45F23/HT45F43) with tiny power consumption (HT45F43 only) Dual Operational Amplifiers functions (HT45F23/HT45F43) with tiny power consumption (HT45F43 only) Operational Amplifier output to internal two channel 12-bit ADC function Up to 6 channel 12-bit ADC Up to 2 channel 8-bit PWM 12-bit Audio DAC output PFD/Buzzer for audio frequency generation Internal 2.4V/3.3V LDO Low voltage reset function Low voltage detect function 16-pin NSOP, 20/24-pin SSOP package types 技術相關資訊 Data Sheet Revision History 封裝資訊 16-pin NSOP 封裝 20-pin SSOP 封裝 24-pin SSOP 封裝 支援工具 應用範例 其他相關資訊 產品相關資訊 盛群新推出TinypowerTM Flash MCU with OPA HT45F23、HT45F43系列 Demo Board HT45F43 Independent Buzzer Type CO Alarm HT45F43 Independent Voice Type CO Alarm
