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Holtek MCU HT66F2362

The HT66F2362 is a Flash Memory A/D 8-bit high performance RISC architecture microcontroller, designed for applications that interface directly to analog signals.

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General Description

The HT66F2362 is a Flash Memory A/D 8-bit high performance RISC architecture microcontroller, designed for applications that interface directly to analog signals.

For memory features, the Flash Memory offers users the convenience of multi-programming 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 features include a multi-channel 12-bit A/D converter and dual comparator functions. Multiple and extremely flexible Timer Modules provide timing, pulse generation and PWM generation functions. Communication with the outside world is catered for by including fully integrated SPI, I2 C and UART interface functions, these popular interfaces which provide designers with a means of easy communication 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 external, internal, high and low oscillators are provided including two fully integrated system oscillators which require no external components 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 minimise power consumption.

The inclusion of flexible I/O programming features, a 16-bit MDU, Time Base functions along with many other features ensure that the device will find excellent use in applications such as electronic metering, environmental monitoring, handheld instruments, household appliances, electronically controlled tools, motor driving in addition to many others.

Product Features

CPU Features
• Operating voltage
♦ fSYS=8MHz: 1.8V~5.5V
♦ fSYS=12MHz: 2.7V~5.5V
♦ fSYS=16MHz: 3.3V~5.5V
• Up to 0.25μs instruction cycle with 16MHz system clock at VDD=5V
• Power down and wake-up functions to reduce power consumption
• Oscillators
♦ External High Speed Crystal – HXT
♦ External Low Speed 32.768kHz Crystal – LXT
♦ Internal High Speed 8/12/16MHz RC – HIRC
♦ Internal 32kHz RC – LIRC
• Fully integrated internal oscillators require no external components
• Multi-mode operation: FAST, SLOW, IDLE and SLEEP
• All instructions executed in 1~3 instruction cycles
• Table read instructions
• 115 powerful instructions
• 16-level subroutine nesting
• Bit manipulation instruction
Peripheral Features
• Flash Program Memory: 16K×16
• RAM Data Memory: 2048×8
• True EEPROM Memory: 1024×8
• In Application Programming – IAP
• Watchdog Timer function • Up to 44 bidirectional I/O lines
• Programmable I/O source current for LED applications
• Software controlled 4-SCOM line LCD driver with 1/2 bias
• Four external interrupt lines shared with I/O pins
• Multiple Timer Modules for time measurement, compare match output, PWM output function or single pulse output function
♦ Three 16-bit STM (STM0~STM2)
♦ Dual 10-bit PTM (PTM0~PTM1)
♦ Dual 16-bit PTM (PTM2~PTM3)
• Serial Interface Module – SIM for SPI or I2 C
• Single Serial Peripheral Interface – SPI
• Two fully-duplex Universal Asynchronous Receiver and Transmitter Interfaces – UARTs
• Dual Time Base functions for generation of fixed time interrupt signals
• Dual comparator functions
• 16 external channel 12-bit resolution A/D converter with Internal Reference Voltage VR
• Integrated Multiplier/Divider Unit – MDU
• Integrated 16-bit Cyclic Redundancy Check function – CRC
• Internal On-Chip Debug Support function – OCDS
• Low Voltage Reset function – LVR
• Low Voltage Detect function – LVD
• Package types: 28-pin SOP, 32-pin QFN, 44/48-pin LQFP