In the mobile electronics industry and embedded field, ARM can be said to occupy the vast majority of the country. ARM is favored for its low power consumption and high processing capacity. The world-famous semiconductor manufacturers will also more or less launch some products based on ARM architecture. Freescale's predecessor is In Motorola's semiconductor department, Freescale is widely used in a wide range of chips Auto electronics, consumer electronics, industry and other industries. Because Freescale also He co organized the "Freescale" Cup Smart Car Competition for college students nationwide, so it is familiar to many college students and widely used. Because the development board is too professional, the target users are also professional developers and learners. So considering the readers of Lei Feng. com, I will mainly focus on the application side and use fewer terms.

Freescale FRDM-K64F development board packaging is simple.

As a development board produced by Freescale, the chip layout is reasonable, the welding work and the reserved interface richness are all well done. Although there are also many fans or teams who will use Freescale chips to design their own development boards according to their own needs, more professional large companies mainly play a directional and guiding role.

The main control chip MK64FN1MOVLL12 on Freescale's development board is an ARM Cortex-M4 architecture, which has a fast processing speed and meets the needs of embedded development. As long as you think about it, it can basically be realized.

Freescale FRDM-K64F development board has many weld junctions reserved, which can be flexibly used when developers need.

There are many characters written on the back of the development board, which indicate the function of the interface. A chip has many pins, and different pins have different functions. To use the reserved interface, you need to specify the functions.

Take an interface as an example. The "RX TX GND 3.3" interface can be used for a very common but very practical communication mode. For example, if you can connect a Bluetooth, the chip can communicate with other MCU, mobile phones and computers to transfer data. Enrich the reserved interfaces to increase the expandability of the development board.

Ethernet interface can be used for Internet applications

SD card slot.

The difference between the development board and the system version is that the development board integrates a wealth of peripherals, and some functions can be developed and learned on the development board. The minimum system version has only one chip and expansion interface, and additional peripherals are needed to realize the function.

Freescale next year He co organized the "Freescale" Cup Smart Car Competition for college students nationwide, which was very popular and loved by students all over the country due to its large scale and high level. The "Freescale" Cup Smart Car Competition designated the use of Freescale chips. Let me give you a brief introduction to what makes up a smart car. There is no doubt that the "brain" of the car is Freescale's chip. The brain processes and judges the collected information, and then judges and processes according to the program to make response. Freescale FRDM-K64F development board chip processing speed and ability ensure the "brain" reaction speed.

The steering gear is responsible for steering the smart car. But when steering is needed, Freescale chip can output signals to the steering gear to control steering.

The motor is the power source of the car.

The drive system allows the trolley to run on Control acceleration or deceleration under the control of Freescale chip.

The camera is the glasses of the car, Freescale chips can be processed according to what "glasses" see.

The power supply system is responsible for the power supply of the trolley.

There are so many components of a smart car, Freescale K64's rich interfaces and powerful functions make the car development more convenient. Of course, this is an example of smart cars, Freescale K64 can realize more functions and adapt to more than these fields. As long as you have the idea and ability, you can use it to carry out your own innovative development of mobile intelligent devices.