Tokyo, March 12, 2001 --- Fujitsu Limited and Fujitsu Microelectronics Pacific Asia Ltd. have jointly developed and today will begin marketing two new products in the F2MC (Fujitsu Flexible Microcontroller) family of system control microcontrollers. Suitable for home appliance applications, the new products -- MB90F462 and MB90462 -- are 16 bit microcontrollers for AC/DC motors.
Nowadays, products like refrigerators and air conditioners are equipped with at least two motors, an AC compressor motor and a DC cooling fan motor. In order to optimize the efficiency of each motor, a microcontroller-controlled inverter is needed to ensure smooth shifting of motor speed. Moreover, to cope with the higher performance of today's home appliances, microcontrollers for AC/DC motors and inverters must have improved program development efficiency and lower power consumption.
Fujitsu's newly introduced products respond to these needs. By integrating AC/DC and DC microcontrollers on a single 16 bit chip, motor control program development is made more efficient and circuitry is simplified. In addition, to cope with the increased power consumption requirements of a single chip device, the new microcontrollers feature shared CPU and memory and a built-in multi-function timer for high efficiency inverter control, as well as a built-in multi-pulse generator to ensure high-precision inverter control, achieving power consumption of just 250 milliwatts (Vcc = 5.0V at Fcp*1 = 16 MHz), equivalent to that of existing products. Designed to reduce surface mount area, the new microcontrollers come in the same packaging as Fujitsu's existing products.
In the future, Fujitsu intends to further enhance its lineup of F2MC microcontrollers for system control of digital AV equipment, home appliances and other products by utilizing its system LSI (SOC) technology to reduce mounting area, diminish the number of parts and simplify PCB design.
[Sample Price]
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MB90F462 : 1,200 yen
MB9046: 600 yen
[Sample availability]
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From March 2001
[Sales Target]
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500,000/month (total for two products)
PRODUCT LINEUP
| | MB90F462 | MB90462 |
| Classification | Flash ROM with flash security | Mask ROM |
| ROM size | 64K Bytes | 64K Bytes |
| RAM size | 2K Bytes | 2K Bytes |
| CPU function |
| Number of Instructions | : | 351 |
| Minimum execution time | : | 62.5 ns / 4 MHz (PLL x 4) |
| Addressing mode | : | 23 |
| Program patch function | : | 2 address pointer |
| Data bit length | : | 1, 8, 16 bits |
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| I/O port | I/O port (CMOS) : 51 |
| PWC*2 | Pulse width counter timer : 2 channels
Timer function (select counter timer from three internal clocks)
Pulse width measuring function (select counter timer from three internal clocks) |
| UART*3 | UART : 2 channels
With full-duplex double buffer (8-bit length)
Clock asynchronized/synchronized transmission (with start and stop bits) can be used selectively
Communication can be used as serial I/O
Dedicated baud rate generator |
| 16-bit reload timer*4 | Reload timer : 2 channels
Reload mode, single-shot mode or event count mode selectable
Can be worked with multi-pulse generator or individually |
| 16-bit PPG timer*5 | PPG timer : 3 channels
PWM*6 mode or single-shot mode selectableCan be worked with multi-functional timer / multi-pulse generator or individually |
Multi-functional timer
(for AC/DC motor control) | 16-bit free-running timer with up or up/down mode selection and buffer : 1 channel
| 16-bit output compare | : | 6 channels |
| 16-bit input capture | : | 4 channels |
| 16-bit PPG timer | : | 1 channel |
Waveform generator (16-bit timer: 3 channels, 3-phase waveform or dead time)
|
Multi-pulse generator
(for DC motor control) | 16-bit PPG timer : 1 channel
16-bit reload timer operation (toggle output, one shot output selectable)
Event counter function : 1 channel built-in
Waveform sequencer (includes 16-bit timer with buffer and compare clear function) |
| 8/10-bit A/D converter | 8/10-bit resolution (8 channels)
Conversion time : Less than 6.13 microns (16 MHz internal clock) |
| External interrupt | 8 independent channels
Selectable causes : Rising edge, falling edge, "L" level or "H" level |
| Low power consumption | Stop mode / Sleep mode / CPU intermittent operation mode |
| Process | CMOS 0.5 micron process |
| Package | LQFP*7-64, QFP-64, SH-DIP*8-64 |
| Operation voltage | 5V +/- 10% |
Glossary:
- *1 Fcp (Processor Clock Frequency):
- Internal Active frequency of micro-controller
- *2 PWC (Pulse Width Counter):
- Pulse width measuring counter of input signal
- *3 UART (Universal Asynchronous Receiver Transmitter):
- Clocked serial communication function
- *4 Reload timer:
- Generates as for the set repeated signal
- *5 PPG timer (Programmable Pulse Generator Timer):
- Generates the varied cycle and pulse width waveform
- *6 PWM (Pulse Width Modulation):
- Generates varied pulse width waveform in constant period.
- *7 LQFP (Low-Profile Quad Flat Package):
- A kind of surface mount package
- *8 SH-DIP (Shrink Dual In-line Package):
- A kind of lead inserted type package
F2MC is a registered trademark of Fujitsu Limited. All other company/product names mentioned may be trademarks or registered trademarks of their respective holders and are used for identification purposes only.
About Fujitsu
Fujitsu Limited (TSE: 6702) is a leading provider of Internet- based information technology solutions for the global marketplace. Comprising over 500 group companies and affiliates worldwide -- including ICL, Amdahl and DMR Consulting -- it had consolidated revenues of 5.26 trillion yen ($49.6 billion) in the fiscal year ended March 31, 2000. Fujitsu's pace-setting technologies, world-class computing and telecommunications platforms, and global corps of over 60,000 systems and services experts make it uniquely positioned to unleash the infinite possibilities of the Internet to help its customers succeed. Altogether, the Fujitsu Group has 188,000 employees and operations in over 100 countries.
Internet: http://www.fujitsu.com/
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