HD64F3039F18 Datasheet, PDF (111/710 Pages) Renesas Technology Corp – Renesas 16-Bit Single-Chip Microcomputer H8 Family / H8/300H Series

Section 5 Interrupt Controller
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
Description
UI bit in CCR is used as interrupt mask bit
UI bit in CCR is used as user bit
(Initial value)
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)
Rev.3.00 Mar. 26, 2007 Page 87 of 682
REJ09B0353-0300