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8bit MCUs feature DC brushless motor controller

Posted: 04 Jun 2012     Print Version  Bookmark and Share

Keywords:DC  brushless  motor controller  MCU 

Fujitsu Semiconductor Asia Pte Ltd (FSAL) releases 3 models of MB95690 series that incorporate a DC brushless motor controller and two analogue voltage comparators, targeting motor control applications.

As an updated version of the 95390H series, the current addition to its 8FX family is pin-to-pin compatible with the 95390H series.

The sample has been available from late March 2012 and will start shipping in May 2012.

Aside from the support for DC brushless motor control function, this series also integrates 2 analogue voltage comparators and is compatible with various composite timers and communication functions. Therefore, it can be used as main microcontroller, as well as sub-microcontroller to supplement function insufficiency in existing system configuration, said the company. Also, being equipped with the analogue voltage comparator, CR oscillation circuit, voltage detection circuit as well as monitor timer circuit, the chip does not need addition of external oscillator or reset IC, therefore reducing the system cost.

The MB95690 series employs 8 levels of power saving modes to balance MCU performance and power consumption. Application of deep standby mode enables power cut-off to the FLASH unit to further reduce power consumption.

The 1-wire on-chip debug module embedded in the chip allows occupation of only one pin when the customer debugs the program, which benefits customers in their product development. The product also has a high precision CR oscillation circuit that can be used as the clock source of microcontroller system, thereby reducing the external component count required in customer's development.

Fujitsu Semiconductor plans to provide the MB95690 series sample from March 2011 and the sample is priced at Rs.78.53 ($1.50) each.

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