Fujitsu MB90890 manual Uart (SCI ), Cmos

Page 6

New Products

MB90890 Series

 

 

Table 1 Product Lineup

Model

MB90V495G

 

MB90F897/S

Item

 

 

 

 

 

 

 

 

Type

Evaluation

 

Flash memory type

ROM density

Not installed

 

64K-byte

 

 

 

 

RAM density

6K-byte

 

2K-byte

 

Number of instructions351

 

 

Maximum instruction execution time62.5ns at an operating frequency of 4MHz (4 times the base oscillator frequency)

CPU functions

Available addressing types23

 

 

Allowable program patching2 address pointers

 

 

Maximum storage space16M-byte

 

 

 

Power-saving (Standby mode)

Sleep mode/Clock mode/Time-base timer mode/Stop mode/CPU intermittent mode

 

 

I/O port

General-purpose I/O port (CMOS output)34 (36) Four of them intended for higher-current output ports

Time-base timer

8-bit free-running counter

 

Interruption interval1.024ms, 4.096ms, 16.834ms, 131.072ms (at an oscillation clock frequency of 4MHz)

 

Watchdog timer

Reset occurring interval3.58ms, 14.33ms, 57.23ms, 458.75ms (at an oscillation clock frequency of 4MHz)

 

 

 

16-bit I/O timer

16-bit free-running timer1 channel

 

Input capture4 channels

 

 

 

 

 

 

 

Number of channels2

 

16-bit reload timer

Count clock interval0.25μs0.5μs2.0μs (Machine clock frequency 16MHz)

 

Available external event counting

 

 

 

 

Clock timer

15-bit free-running counter

 

Interruption interval31.25ms62.5ms12ms250ms500ms1.0ms2.0ms (at 8.192kHz sub clock)

 

 

 

 

Number of channels2-channel (Available in the 8-bit×4-channel configuration)

8/16-bit PPG timer

PPG operation available in both the 8-bit×4-channel and 16-bit×2-channel configurations

Allowable output of pulse waveform at any desired period and duty factor

 

 

 

 

Count clock62.5ns to 1μs (at a machine clock frequency of 16MHz)

 

 

 

 

Delayed interruption generating

Interruption generating module for task changing

 

module

Used with the real-time OS

 

DTP/External interruption

Number of channels4

 

Rise edge/Fall edge activated in response to the input of "H" and "L" levels

 

 

Available external interruption or extended intelligent I/O service (EI2OS)

 

10-bit A/D converter

Number of channels8

 

ResolutionEither 10-bit or 8-bit

 

 

Conversion time6.125μs (at a machine clock frequency of 16MHz, including the sampling time)

 

 

 

 

Number of channels2

 

 

With full duplex double buffers

 

UARTSCI

Transmission available in either state, synchronous or asynchronous to clock

 

 

Also can be used as serial I/O

 

 

Dedicated baud rate generator incorporated

 

 

 

 

Process

CMOS

 

 

 

 

Package

PGA256

 

LQFP-48

Operating voltage

4.5V to 5.5V

 

3.5V to 5.5V

 

 

 

 

34 for MB9089736 for MB90F897

16

FIND Vol.21

No.1 2003

Image 6
Contents F2MC-16LX Family Product DescriptionCPU Product FeaturesResources RAMPackage FPT-48P-M26 Read RAMRead Writing /erasing of flash memory Available transmission of interruption vector domainDevelopment Environment Typical ApplicationsUart (SCI ) CmosVSS TOP ViewP37/ADTG MD2 MD1 MD0 RST

MB90890 specifications

The Fujitsu MB90890 is a high-performance microcontroller that stands out in the realm of embedded systems, particularly for automotive and industrial applications. Engineered with a focus on innovation, the MB90890 series showcases an array of characteristics that make it an ideal choice for various complex tasks.

One of the principal features of the MB90890 microcontroller is its advanced processing capability. It incorporates a 32-bit FR (Fujitsu RISC) core, which is optimized for high-speed processing and efficiency. With a clock frequency reaching up to 80 MHz, it delivers exceptional performance for real-time applications, allowing embedded systems to execute tasks with minimal latency.

The MB90890 also boasts a rich set of peripherals designed to enhance its functionality. It offers multiple communication interfaces, including CAN (Controller Area Network), UART (Universal Asynchronous Receiver-Transmitter), and I2C (Inter-Integrated Circuit). These interfaces facilitate seamless communication with other components in an automotive or industrial system, promoting interoperability and flexibility.

In terms of memory, the microcontroller comes with various configuration options, including Flash and RAM. This flexibility allows developers to choose the right memory size according to the specific needs of their application. The integrated Flash memory allows for reprogramming, enabling software updates or modifications without the need for hardware changes.

Power efficiency is another standout characteristic of the MB90890. Its low-power design enables devices to operate for extended periods without the need for frequent recharging or battery replacement. This is especially critical in automotive applications, where power consumption considerations can significantly impact overall system performance and longevity.

Safety features are paramount in automotive applications, and the MB90890 addresses this need through its compliance with established safety standards. The architecture is designed to support error detection and fault isolation, essential for critical functions in safety-critical systems.

Moreover, the MB90890 microcontroller supports various development tools and software environments, streamlining the design and development process. With support for development kits, software libraries, and a comprehensive ecosystem, engineers find it easier to bring their projects to life.

In summary, the Fujitsu MB90890 microcontroller combines high performance, advanced features, and safety compliance, making it an excellent choice for modern embedded applications. Its robust architecture and flexible design cater to the needs of diverse industries, ensuring that it remains a reliable solution in a competitive marketplace.