HT66F019 NSOP20

The HT66F019 is a Flash Memory type 8-bit high performance RISC architecture microcontroller. Offering users the convenience of Flash Memory multi-programming features, the device also includes a wide range of functions and features. Other memory includes an area of RAM Data Memory as well as an area of true EEPROM memory for storage of non-volatile data such as serial numbers, calibration data etc.

CPU Features

Operating voltage:
fSYS=8MHz: 2.2V~5.5V
fSYS=12MHz: 2.7V~5.5V
fSYS=16MHz: 3.3V~5.5V
Up to 0.25us instruction cycle with 16MHz system clock at VDD=5V
Power down and wake-up functions to reduce power consumption
Oscillator types:
– External High Speed Crystal – HXT
– Internal High Speed RC – HIRC
– External Low Speed 32.768kHz Crystal – LXT
– Internal Low Speed 32kHz RC – LIRC
Multi-mode operation: FAST, SLOW, IDLE and SLEEP
Fully integrated internal oscillators require no external components
All instructions executed in one or two instruction cycles
Table read instructions
63 powerful instructions
8-level subroutine nesting
Bit manipulation instruction

Peripheral Features

Flash Program Memory: 8Kx16
RAM Data Memory: 256×8
True EEPROM Memory: 64×8
Watchdog Timer function
Up to 18 bidirectional I/O lines with LED direct driving capability
Dual external interrupt lines shared with I/O pin
Multiple Timer Modules for time measurement, capture input, compare match output or PWM output or single pulse output function
Comparator function
Dual Time-Base functions for generation of fixed time interrupt signals
Up to 8 external channels 12-bit resolution A/D converter
Serial Interface Module includes SPI and I2C interfaces
Fully-duplex Universal Asynchronous Receiver and Transmitter Interface – UART
Low voltage reset function
Low voltage detect function
Package type: 20-pin NSOP