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Bit 3—User Bit Enable (UE): Selects whether to use the UI bit in CCR as a user bit or an
interrupt mask bit.
Bit 3
UE
Description
0
UI bit in CCR is used as interrupt mask bit
1
UI bit in CCR is used as user bit
Bit 2—NMI Edge Select (NMIEG): Selects the NMI input edge.
Bit 2
NMIEG
0
1
Description
Interrupt is requested at falling edge of NMI input
Interrupt is requested at rising edge of NMI input
(Initial value)
(Initial value)
85
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