Fujitsu 16FX MCUs Integrate CAN, USB MiniHost Functionality on 1 Chip
March 10, 2008 // Published as a news service by IHS
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Fujitsu Microelectronics Europe (FME) announced the MB96F338U, the latest member of its 16FX family of 16 b microcontrollers (MCUs) developed for automotive and industrial applications.
The device integrates a universal serial bus (USB) full-speed interface plus MiniHost functionality and three controller area network (CAN) interfaces together on one chip.
According to FME, as the use of USB interfaces in industrial applications increases, the ability to drive USB devices with an MCU is an important feature.
Standard USB memory sticks, for example, are being used to store data or to update the firmware of different types of applications.
The Fujitsu USB interface with MiniHost functionality, which is incorporated in the new MB96F338U, combines a USB interface function with the ability to drive one USB device at a time.
For communication and networking, the MB96F338U offers:
- Three channels of C-CAN interfaces.
- Two channels of inter-integrated circuit (I2C).
- Eight channels of combined local interconnect network-universal synchronous/asynchronous receiver/transmitter-service provider interface (LIN-USART-SPI).
- A 10 b analog-to-digital converter (ADC) with 36 channels.
- 20 channels of 16 b pulse width modulation (PWM).
- A four-channel 16 b reload timer.
- A four-channel 16 b timer with capture functionality.
- 16 channels of external interrupts.
The 16FX central processing unit (CPU) runs up to an operating frequency of 48 MHz generated by the on-chip phase-locked loop (PLL), and a clock modulator can be used to regulate electromagnetic compatibility (EMC) behavior.
The MB96F338U offers 544 kB of embedded Flash memory with read-out protection and 32 kB of random access memory (RAM). An external bus interface allows the connection of additional memory or further peripherals.
The device comes in a restriction of the use of certain hazardous substances (RoHS) compliant 144 pin package and functions over the operating temperature range of -40 degrees Celsius to +105 degrees Celsius, covering a supply voltage range of 3 volts (V) to 5.5 V.
Engineering samples will become available in 2Q 2008 and will be accompanied by a set of development tools including starter kits and on-chip debugging software.
The Fujitsu integrated software development environment Softune Workbench for 16 b MCUs already supports MB96F338U. USB low-level drivers are offered free of charge together with software examples.
Source: Fujitsu.