HT66F2630

High Accuracy/Low Current LIRC Flash MCU

General Information

The device is a Flash Memory A/D 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.

Analog feature includes a multi-channel 12-bit A/D converter. A single extremely flexible Timer Module provides timing, pulse generation and PWM generation functions. 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 internal high and low speed oscillators are provided and the two fully integrated system oscillators require no external components for their implementation. The ability to operate and switch dynamically between a range of operating modes using different clock sources gives users the ability to optimize microcontroller operation and minimize power consumption. The inclusion of flexible I/O programming features and Time-Base funcitons along with many other features ensure that the device will find excellent use in applications such as power saving timing wake up products in addition to many others.

 

CPU Features

Operating voltage
  • - fSYS =2MHz: 1.8V~5.5V
  • - fSYS =4MHz: 1.8V~5.5V
  • - fSYS =8MHz: 2.2V~5.5V
Up to 0.5μs instruction cycle with 8MHz system clock at VDD =5VAvailable
Power down and wake-up functions to reduce power consumptionAvailable
Oscillator types
  • - Internal High Speed RC – HIRC
  • - Internal Low Speed 32kHz RC – LIRC
Multi-mode operation

FAST, SLOW, IDLE and SLEEP

Fully integrated internal oscillators require no external componentsAvailable
All instructions executed in one or two instruction cyclesAvailable
Table read instructionsAvailable
63 powerful instructionsAvailable
8-level subroutine nestingAvailable
Bit manipulation instructionAvailable

Peripheral Features

Flash Program Memory

2K×16

RAM Data Memory

128×8

True EEPROM Memory

64×8

Watchdog Timer functionAvailable
14 bidirectional I/O linesAvailable
Two pin-shared external interruptsAvailable
One Timer Module for time measurement, input capture, compare match output or PWM output or single pulse output functionAvailable
Dual Time-Base functions for generation of fixed time interrupt signalsAvailable
4 external channel 12-bit resolution A/D converterAvailable
Low voltage reset functionAvailable
Low voltage detect functionAvailable
Package types

8-pin SOP, 16-pin NSOP

Resources

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