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Holtek HT45FM03B无刷DC马达驱动方案

关键词:工业控制 马达控制

时间:2010-01-06 10:50:00       来源:Holtek

Holtek 公司的HT45FM03B是无刷DC马达闪存型8位高性能RISC架构MCU,具有低功耗,I/O灵活性,可编频率除法器,定时器功能,多路ADC,PWM功能,降功耗和叫醒功能,工作电压4.5V-5.5V,26条双向I/O线,特别适合无刷DC马达应用.本文介绍HT45FM03B主要特性, 方框图和PWM方框图, PWMCM = 0 和1的PWM输出控制框图以及应用电路图.

HT45FM03B: Brushless DC Motor Flash Type 8-Bit MCU

The HT45FM03B is 8-bit, high performance, RISC architecture microcontroller device which includes a host of fully integrated special features specifically designed for brushless DC motor applications.

The advantages of low power consumption, I/O flexibility, programmable frequency divider, timer functions, oscillator options, multi-channel A/D Converter, Pulse Width Modulation function, power-down and wake-up functions, although especially directed at brushless DC motor applications, the enhanced versatility of this device also makes it applicable for use in a wide range of A/D application possibilities such as sensor signal processing, motor driving, industrial control, consumer products, subsystem controllers, etc.

HT45FM03B主要特性:

_ Operating voltage: fSYS= 0.4~20MHz: 4.5V~5.5V

_ 26 bidirectional I/O lines

_ External interrupt inputs shared with 4 I/O lines
..

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