本文介绍了采用P89LPC917控制五个风扇的控制器的设计 AN10388 Application of P89LPC917 in five-fan control system Rev. 02 ― 07 December 2005 Application note Document information Info Content Keywords Fan controller, MCU, D/C brushless motor, P89LPC917 Abstract The article describes the design of the fan controller, which adopts P89LPC917 design to control five fans. The controller may independently or simultaneously control the operation of several fans according to the environmental temperature, promising to provide intelligent and flexible responsive control over the abnormality of multiple kinds of operation. The PWM and AD functions……