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Crack Renesas MCU R5F5631PDDFM#V0 Locked Flash memory and recover microcontroller embedded firmware which will provide the same functions as originals to make MCU copying;

The backup PC (BPC) is provided to speed up response to interrupts. After a fast interrupt has been generated, the contents of the program counter (PC) are saved in the BPC register.

The backup PSW (BPSW) is provided to speed up response to interrupts. After a fast interrupt has been generated, the contents of the processor status word (PSW) are saved in the BPSW. The allocation of bits in the BPSW corresponds to that in the PSW.

The fast interrupt vector register (FINTV) is provided to speed up response to interrupts. The FINTV register specifies a branch destination address when a fast interrupt has been generated in order to crack microprocessor r5f52108cd flash memory.

The accumulator (ACC) is a 64-bit register used for DSP instructions. The accumulator is also used for the multiply and multiply-and-accumulate instructions; EMUL, EMULU, MUL, and RMPA, in which case the prior value in the accumulator is modified by execution of the instruction.

Use the MVTACHI and MVTACLO instructions for writing to the accumulator. The MVTACHI and MVTACLO instructions write data to the higher-order 32 bits (bits 63 to 32) and the lower-order 32 bits (bits 31 to 0), respectively.

Use the MVFACHI and MVFACMI instructions for reading data from the accumulator. The MVFACHI and MVFACMI instructions read data from the higher-order 32 bits (bits 63 to 32) and the middle 32 bits (bits 47 to 16), respectively.