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ARM Embedded System Essentials + ZLG.docx
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Foreword
PC 64, you are still using the 8-bit microcontroller?
Although the requirements of embedded systems in the general case of CPU processing
power than the PC (CPU processing power to
Demand) is low, but with the improvement of people's lives and advances in technology, the
requirements of embedded systems CPU processing power steadily
Improved, a large number of high-speed with the emergence of microcontrollers MCS51
architecture compatible to prove this point. But 8-bit microcontrollers
The controller is limited by the architecture, and limited processing capabilities. 16 system
performance compared to the beginning of the 8-bit machine
End there is not much advantage, cost no advantage compared with the 32-bit system, the
next time embedded microcontroller
The direction of development must be a 32-bit system.
32 occupied most of the sub-quota of 32-bit embedded systems based on ARM architecture,
but a long time,
32-bit systems based on the ARM architecture used only in high-end embedded systems (the
area of communications, PDA) occasions,
Or the face of a dedicated chip, either to of bit processors Temple Maung, does not appear
cost-effective universal micro
Controller. PHILIPS found this empty when launched high cost LPC2000 family of
microcontrollers, so that more
The embedded system has a 32-bit processing capability. This also indicates that the 32-bit
system is about to become the mainstream of embedded systems.
Chips based on ARM architecture popularized in China has been for several years, books
about ARM a lot.
The Books About ARM major the following categories:
3. 1. Books on the ARM core, the primary audience for chip designers, mainly to introduce the
chip design.
2. Chip applications books, main chip manufacturers or agents written main reader
application engineers.
3. Development board books, introduces the ARM development board, to the application by
reference.
The emphasis of the above three categories of books are not the ARM application
development teaching, less suitable for undergraduate teaching. In order to
Convenient to college teaching, I write the textbook. However, because the knowledge
embedded systems involve too wide a
This material is unable to penetrate discussed. To this end, I will also introduce the quilt
books so that the students' knowledge extended