深圳市星火积成科技有限公司

【型号】：HT67F489              【品牌】：holtek

【封装】：LQFP44                 【批次】：021+

【 QQ 】：2080378726           【电话】：19129471584

CPU Features
• Operating Voltage
♦ fSYS = 4MHz: 2.2V~5.5V
♦ fSYS = 8MHz: 2.2V~5.5V
♦ fSYS = 12MHz: 2.7V~5.5V
♦ fSYS = 16MHz: 4.5V~5.5V
• Power down and wake-up functions to reduce power consumption
• Oscillators
♦ Internal RC – HIRC
♦ External Crystal - HXT
♦ Internal 32kHz RC – LIRC
♦ External 32.768kHz Crystal – LXT
• Fully integrated internal 8MHz oscillator requires no external components
• Multi-mode operation: NORMAL, SLOW, IDLE and SLEEP
• All instructions executed in 1~3 instruction cycles
• Bit manipulation instruction
• 16-bit Table Read Function
• 115 powerful instructions
• Support dual words instructions for RAM access
• 8-level subroutine nesting
Peripheral Features
• Flash Program Memory: 4K×16 ~ 8K×16
• RAM Data Memory: 256×8
• True EEPROM Memory: 64×8 (only for HT67F489)
• Watchdog Timer function
• 42 bidirectional I/O lines
♦ Inlcude LCD/LED driving output
• 4 pin-shared external interrupts
• Multiple Timer Modules for time measure, input capture, compare match output, PWM output or
single pulse output functions
• Dual Time-Base functions for generation of fxed time interrupt signals
• 10-channel 12-bit resolution A/D converter
• LCD display
♦ 20SEG × 4COM & 20SEG × 8COM
♦ 1/3 or 1/4 bias
• LED display: 8SEG × 8COM
• Fully-duplex Universal Asynchronous Receiver and Transmitter Interface -- UART
• Low Voltage Reset function
• Low Voltage Detect function
• Package type: 44-pin LQFP