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使用DS1050可编程的PWM控制直流电机和液晶LED背光

资料介绍
摘要: DS1050是一个5位的脉冲宽度调制(PWM)由2线总线控制。这允许一个主设备,一个单一的2线总线控制多达8slave( DS1050和其他2线设备) 。本应用笔记中,演示了通过PC机的串行接口2线总线接口。硬件和软件的要求,并给出从Dallas Semiconductor的FTP站点下载。

Maxim > App Notes > Digital Potentiometers Display Drivers Power-Supply Circuits

Keywords: fan control, fan speed, brightness control, contrast control, 2 wire bus, 2wire devices, PWM, pulse Dec 17, 2001
width modulator, dc motor, LCD LED backlight

APPLICATION NOTE 163
Using DS1050 Programmable PWMs to Control a DC Motor and an
LCD LED Backlight


Abstract: The DS1050 is a 5-bit pulse-width modulator (PWM) controlled by a 2-wire bus. This allows a single
master device to control up to 8 slave (DS1050 and other 2-wire devices) on a single 2-wire bus. In this
application note, an interface to a 2-wire bus via a PC serial interface is demonstrated. The hardware and
software requirements are given and available for download from the Dallas Semiconductor FTP site.


Introduction

The D……
标签:Maximfancontrolfanspeedbrightnesscontrolcontrastcontrol2wirebus2wiredevicesPWMpulsewidthmodulatordcmotorLCDLEDbacklight
使用DS1050可编程的PWM控制直流电机和液晶LED背光
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