• ARMv7M RefMan: What is "Rn" for "MVN"?
    Hello, in the ARMv7M Architecture Reference Manual version E.d in the documentation for "MVN (immediate)" on page A7-303 it says: "<const> Specifies the immediate value to be added to the value obtained...
  • Difference in the current consumption for different register place for few instructions
    Hello to all, While working on different assembly instructions, I have come across a very different problem of the register's place. For example: SBC r11,r7,r11 : 3.0217mAmps but SBC r11,r7,r7...
  • in arm7tdmi, when FIQ and RIQ occures at same time so how both are executed sequentially,first FIQ and thenIRQ?
    in arm7tdmi, suppose instruction is being executed and at same time FIQ and IRQ both occur  at same time.now according to priority FIQ will be handled then IRQ  but my question is that how it will handled...
  • Usage of generic register in CPU reset
    Hi All, Could anyone please tell me which generic register/location in memory can be used for storing a bit value which will not get reset after a CPU reset? I need the register to hold the value after...
  • What happens when offset value becomes 30 in case of load/store operation
    Hello to all, I was looking at different offset values for both load and store operations. Since due to little endian arrangement, the memory looks something like this to processor: Byte[0x23],Byte...