HD6433045 HITACHI [Hitachi Semiconductor], HD6433045 Datasheet - Page 99

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HD6433045

Manufacturer Part Number
HD6433045
Description
Hitachi Single-Chip Microcomputer
Manufacturer
HITACHI [Hitachi Semiconductor]
Datasheet

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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
0
1
Bit 2—NMI Edge Select (NMIEG): Selects the NMI input edge.
Bit 2
NMIEG
0
1
5.2.2 Interrupt Priority Registers A and B (IPRA, IPRB)
IPRA and IPRB are 8-bit readable/writable registers that control interrupt priority.
Description
UI bit in CCR is used as interrupt mask bit
UI bit in CCR is used as user bit
Description
Interrupt is requested at falling edge of NMI input
Interrupt is requested at rising edge of NMI input
85
(Initial value)
(Initial value)

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