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8.3 Interrupt Control Register (ICR)
ICR4 is fixed to "1" and cannot be set to "0".
Table 8.3-1 Correspondences between the Interrupt Level Setting Bits and Interrupt
Levels
ICR4 ICR3 ICR2 ICR1 ICR0 Interrupt level
00000 0
System reserved
0111014
0111115 NMI
1 0 0 0 0 16 Highest level that can be set
1000117
(High)
(Low)
1001018
1001119
1010020
1010121
1011022
1011123
1100024
1100125
1101026
1101127
1110028
1110129
1111030
1 1 1 1 1 31 Interrupt prohibited