RL78/F13, F14 CHAPTER 21 INTERRUPT FUNCTIONS
R01UH0368EJ0210 Rev.2.10 1492
Dec 10, 2015
21.3.2 Interrupt mask flag registers (MK0L, MK0H, MK1L, MK1H, MK2L, MK2H, MK3L)
The interrupt mask flags are used to enable/disable the corresponding maskable interrupt servicing.
The MK0L, MK0H, MK1L, MK1H, MK2L, MK2H, and MK3L registers can be set by a 1-bit or 8-bit memory manipulation
instruction. When the MK0L and MK0H registers, the MK1L and MK1H registers, and the MK2L and MK2H registers are
combined to form 16-bit registers MK0, MK1, and MK2, they can be set by a 16-bit memory manipulation instruction.
Reset signal generation sets these registers to FFH.
Remark If an instruction that writes data to this register is executed, the number of instruction execution clocks
increases by 2 clocks.
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