Arm9 and arm 1 1
1. Structural change: arm9 is v5 structure, and arm 1 1 is v6 structure, which has been upgraded by a whole level. For example; The former Intel XScale chip, which is famous for its high-end chips, is the core mechanism of ARMv5TE.
2.ARMv6 is a customized chip for the next generation of consumer electronics, wireless devices, network applications and automotive electronic products.
3.ARM 1 1 has better multimedia processing ability and ultra-low power consumption than arm9, especially suitable for wireless and consumer electronic products; Its combination of high data throughput and high performance is very suitable for network processing applications;
4. Increase the processing capacity of floating-point operation, which can meet the application requirements of advanced multimedia devices such as 3d;
5. The kernel of the new ARM 1 1 is smaller than that of ARM9, which plays an intuitive and important role in SOC performance.
6. Add more multimedia instructions to the ARM11kernel to speed up audio and video processing; In addition, there are new instructions to speed up real-time performance and terminal response.
7. The encoding and decoding speed of 7.MPEG4-4 is twice that of arm9-9. The obvious feeling is that the 4.3-inch screen of arm9 development board will break the screen, while 64 10 will not. The movie is very smooth, even in high definition (1080pv6), it can be played directly and smoothly.
8.ARM 1 1 is fully backward compatible. If you learn ARM 1 1, you can do arm9 and arm7 completely.