The internal architecture of the ASIC chip is relatively simple. It cannot be programmed with hardware. It can only be used to specifically deal with certain functions, but it has the lowest flexibility, but it is most efficient in performing certain tasks. ASICs are also known as application specific integrated circuits. The internal structure of the FPGA chip is slightly more complicated and can be programmed with hardware. Therefore, the logic structure of the internal chip can be changed through a hardware programming language, so that while providing a certain degree of flexibility, it can also ensure a high processing efficiency, which is inflexible and Performance has taken a compromise.
FPGAs are also known as programmable integrated circuits.
FPGA features are as follows:
(1) Using FPGA to design ASIC circuits (application-specific integrated circuits), users do not need to shoot to produce chips that can be used together.
(2) FPGAs can be used as mid-samples for other full-custom or semi-custom ASIC circuits.
(3) The FPGA has a rich set of flip-flops and I/O pins.
(4) FPGA is one of the devices with the shortest design cycle, lowest development cost, and lowest risk in ASIC circuits.
(5) FPGA adopts high-speed CMOS technology, low power consumption, and can be compatible with CMOS and TTL levels.
The internal structure of the CPU chip is the most complex and cannot be programmed by hardware. However, software that implements various functions can be written by an external programming software, which has the highest flexibility and the lowest processing efficiency. The CPU is also called a universal integrated circuit.
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