HT45FM2C -- Brushless DC Motor Flash Type 8-Bit MCU

General Description

This device is Flash Memory with 8-bit high performance RISC architecture microcontroller device which includes a host of fully integrated special features specifically designed for the brushless DC motor applications.

The advantages of low power consumption, I/O flexibility, Multiple and extremely flexible Timer Modules, oscillator options, multi-channel A/D and D/A Converter, Pulse Width Modulation function, 16-bit Capture Timer Module function, dual comparator functions, Motor Protect Module, Liner Hall Sensor detection, 8-bit RMT Module, Time Base function, LVD, EEPROM, power-down and wake-up functions, although especially designed for brushless DC motor applications, the enhanced versatility of this device also makes it applicable for using in a wide range of A/D application possibilities such as sensor signal processing, motor driving, industrial control, consumer products, subsystem controllers, etc.

Features

CPU Features

  • Operating Voltage:
    fSYS=32kHz ~ 20MHz: 4.5V~5.5V
  • Up to 0.2us instruction cycle with 20MHz system clock at VDD=5V
  • Power down and wake-up functions to reduce power consumption
  • Two oscillators:
    -- Internal 20MHz RC - HIRC
    -- Internal 32kHz RC - LIRC
  • Multi-mode operation: NORMAL, SLOW, IDLE and SLEEP
  • All instructions executed in one or two instruction cycles
  • Table read instructions
  • 63 powerful instructions
  • Up to 8-level subroutine nesting
  • Bit manipulation instructionn

Peripheral Features

  • Flash Program Memory: 4Kx15
  • RAM Data Memory: 256x8
  • EEPROM Memory: 128x8
  • Watchdog Timer function
  • Up to 28 bidirectional I/O lines
  • Six pin-shared external interrupts
  • Support IR cord Noise Filter function
  • Four 10-bit CTMs for Buzzer, RMT, up/down or left/right fan-head
  • Single 16-bit CTM for BLDC sensorless application
  • Single 16-bit CAPTM for motor protect
  • Two 8-bit RMTs for IR decode
  • A pair of 10-bit PWM with comlementary outputs for BLDC application
  • 9-channel 10-bit resolution A/D converter
  • Time-Base function for generation of fixed time interrupt signal
  • Single operational Amplifier for current detect
  • Two comparators with interrupt functions
  • Dual 8-bit D/A Converter
  • Low voltage reset function
  • Low voltage detect function
  • Package types: 16-pin NSOP, 28-pin SOP/SSOP/SKDIP, 44-pin LQFP

Technical Document

Other Information