A microprocessor’s architecture defines the instruction set and programmer’s model for any processor that will be based on that architecture. Different processor implementations may be built to comply with the architecture. Each processor may vary i
ARM的官方参考手册.是英文版本. ARMv6-M supports the Thumb instruction set including a small number of 32-bit instructions introduced to the architecture as part of the Thumb-2 technology in ARMv6T2. ARMv6-M supports the 16-bit Thumb instructions from ARMv7-M alo