New 32-bit MCU for high-performance white goods

The strong A/D converter and close control achieve multifunction and energy efficiency

Shanghai, March 30, 2006 — Fujitsu Microelectronics (Shanghai) Co., Ltd., announces that as an addition to the 32-bit microcontrollers (MCU in the following)"FR family⁽¹⁾", Fujitsu Microelectronics has successfully developed the "MB91470" series for high-performance white goods. The series will be introduced to market in July this year.

To further enhance the white goods that are becoming more and more multifunctional and require higher-performance in recent years, the specially designed series have achieved environment-friendly goals due to its energy efficiency and low noise.

With the wide use of various sensitive sensors, the white goods are becoming more and more multifunctional, e.g. the microwave oven with multiple temperature control system and the steam cooking function; the air conditioner with dirt air management system and humidifying function etc. Moreover, there is also a big demand in the market for microwave ovens and induction heating cookers with closer temperature adjustments; air conditioners and washing machines with less noise. To realize this, processing the collected information from sensors in real time and a more accurate control are indispensable. "MB91F479", which is the first product of the series, is capable of detecting the tiniest changes from various sensors and operate at a smooth speed by installing the efficient A/D converter⁽²⁾ of 20 channels which is most popularly used in industry. As a result, it contributes to the high development of the multifunctional white goods with energy-efficiency and low-noise features.

New 32-bit MCU for high-performance white goods

Features of the product

Standardization of the A/D converter of 20 channels results in the best noise reduction and power consumption levels in the industry.

Information is collected from 20 sensors at most by adopting the A/D converter of 20 Channels. Functions such as steam cooking in microwave oven and multi-control of temperature in air condition are all carried out by real-time information processing, insuring multifunction and high-performance of products.
By adopting the 12-bit A/D converter and PWM control⁽³⁾ reduces the consumption of energy and lower noise levels significantly.

Any minute change can be detected by the 12 bit A/D converter, which is of the highest definition inside the industry. Associated with PWM control, a smooth-speed and close control can be achieved. As a result, unnecessary power consumption is effectively decreased, and lower noise levels is achieved by using a smooth-speed motor.
By adopting the 32-bit CPU core "FR60" is high-speed processing achieved.

High-speed processing of various information can be achieved in real time by adopting the"FR60"⁽⁴⁾ that operates at 80 MHz which is at the highest level inside industry.

Moreover, the load of CPU can be decreased by adopting the SPA circuit⁽⁵⁾ for the control calculation, which is separated from CPU and operates at a high processing speed.

Sample price and shipping date

Product name	shipping date
MB91F479	from June, 2006

Sales goals

500,000 per month

About the trademarks

All the terminologies of the product names mentioned herein are trademarks or registered trademarks of their respective owners.

Attached materials

The main specifications of "MB91F479"

Product name		「MB91F479」
(note1)I²C：the I²C bus macro-communication function of Philips. It is used on the communications between LSI such as microcontrollers and IC on the periphery. (note2)UART(Universal Asynchronous Receiver Transmitter):The synchronous serial communication functions, macro-clock synchronous communications are also possible. (note3)LQFP(Low-profile Quad Flat Package): a kind of surface mounting plastic package that has 1.7 millimeters or less in height of installation.
Minimum execution instruction time		12.5 nano-second（80MHz）
Memory	ROM	512 kilobytes (Flash memory)
Memory	RAM	32 kilobytes
Telecommunication function	with I²C (note 1)function UART UART (note 2)	6 channels (ch in the following)
Analogue function	12-bit A/D	4ch×2units
Analogue function	8/10 bit A/D	12ch×1unit
Timer function	Multifunctional timer	1unit
	16-bit reload timer	2chs
	8/16-bit PPG timer	8bits×8chs (16bits×4chs)
	16/32-bit base timer	16bits×4chs (32bits2chs)
	8/16-bit up down counter	8bits×2chs (16bits×1ch)
	Watch dog timer	1ch
External interrupt		11 or less
DMAC		5chs
SPA Circuit		1 unit （32 bit s×32 bits ＋72 bits ＝72 bits The operation result may be rounded off to 32 bits.）
External bus I/F		Have
I/O port		113 or less
Power-supply voltage		4.0～5.5 volts
Operating temperature		-40～+85℃
Package		LQFP(note 3)-144 pins（0.4mm pitch、16mm corner）

1 FR family:: Fujitsu RISC family, the family name of the Fujitsu 32-bit MCU.
2 A/D converter:: The circuit that converts analog signal into digital signal.
3 PWM control:: Pulse Width Modulation control, the method that controls the operation of devices such as motors at a low speed by changing the ratio of pulse wave's ON･OFF.
4 "FR60":: One of the CPU cores installed by "FR" family. It is compatible with the CPU core "FR30" which was the first product of “FR family“, and has achieved high-speed and low-power functions.
5 SPA circuit:: SPA (Sum-Product Algorithm), the circuit that operates the (A×B+C) calculation.

About Fujitsu Microelectronics (Shanghai) Co., Ltd

Fujitsu Microelectronics (Shanghai) Co., Ltd. was established in October 2003 as Fujitsu's semiconductor business representative in China. Headquartered in Shanghai, it has branch offices in Beijing and Shenzhen to provide sales and service support to customers throughout China.
Fujitsu Microelectronics (Shanghai) Co., Ltd. offers an extensive range of products from microcontroller, application-specific integrated circuit (ASIC), application-specific standard product (ASSP), system-on-chip (SoC) to system memory, that can be supplied as product or complete solution. With technology resource centres and ASIC design support centres strategically located in Shanghai, Hong Kong, Shenzhen and Singapore, as well as Heavy investments in design and engineering capabilities and application support resources, complemented by a regional network of design partners, suppliers and distributors, Fujitsu Microelectronics (Shanghai) Co., Ltd. can readily delivers innovative and value-added solutions and varied range of products to its target markets in China.
For more information, please see: http://cn.fujitsu.com/fmc/en