Fujitsu F2MC-16LX Hardware Manual page 64

CHAPTER 3 INTERRUPT
I Interrupt control register function
The interrupt control register (ICR) has the following one function:
• Specifies the interrupt levels for respective peripheral function
The interrupt control register (ICR) has partially different functions between write and read
operations, as shown in the next section in Figure 3.3-1 "Interrupt Control Registers (ICR00 to
ICR15) during Writing" and Figure 3.3-2 "Interrupt Control Registers (ICR00 to ICR15) during
Reading".
Note:
Avoid accessing the interrupt control register (ICR) with read, modify, and write instructions
since they may cause incorrect operation.
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