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Clone Secured Renesas Microcontroller R5F56104VNFP#V0 memory file which will provide the same functions as originals when break MCU security fuse bit and readout the firmware from microprocessor program;

• The subsequent instruction must be executed while an interrupt request is disabled with the IENj bit in IERn of the ICU (interrupt request enable bit) set to 0.
  • A WAIT instruction is executed immediately after the preprocessing for causing a transition to the low power consumption state.

In the above cases, after writing to an I/O register, wait until the write operation is completed using the following procedure and then execute the subsequent instruction.

Write to an I/O register.

Read the value in the I/O register and write it to a general register.

Execute the operation using the value read.

Execute the subsequent instruction.

When executing an instruction after writing to multiple registers, only read the last I/O register written to and execute the instruction using that value; it is not necessary to execute the instruction using the values written to all the registers when cloning renesas mcu r5f21237 flash program.

• Number of cycles necessary for accessing I/O registers

See Table 4.1 for details on the number of clock cycles necessary for accessing I/O registers. The number of access cycles to I/O registers is obtained by following equation.*1

Number of access cycles to I/O registers = Number of bus cycles for internal main bus 1 + Number of divided clock synchronization cycles + Number of bus cycles for internal peripheral buses 1 to 6