Hitachi F-ZTAT H8/3039 Series Hardware Manual page 99

Bit 7—Priority Level A7 (IPRA7): Selects the priority level of IRQ0 interrupt requests.
Bit7
IPRA7 Description
0 IRQ0 interrupt requests have priority level 0 (low priority)
1 IRQ0 interrupt requests have priority level 1 (high priority)
Bit 6—Priority Level A6 (IPRA6): Selects the priority level of IRQ1 interrupt requests.
Bit6
IPRA6 Description
0 IRQ1 interrupt requests have priority level 0 (low priority)
1 IRQ1 interrupt requests have priority level 1 (high priority)
Bit 5—Reserved bit: This bit can be written and read, but it does not affect interrupt priority.
Bit 4—Priority Level A4 (IPRA4): Selects the priority level of IRQ
requests.
Bit4
IPRA4 Description
0 IRQ , IRQ
4
1 IRQ , IRQ
4
Bit 3—Priority Level A3 (IPRA3): Selects the priority level of WTD interrupt requests.
Bit3
IPRA3 Description
0 WDT interrupt requests have priority level 0 (low priority)
1 WDT interrupt requests have priority level 1 (high priority)
Bit 2—Priority Level A2 (IPRA2): Selects the priority level of ITU channel 0 interrupt requests.
Bit2
IPRA2 Description
0 ITU channel 0 interrupt requests have priority level 0 (low priority)
1 ITU channel 0 interrupt requests have priority level 1 (high priority)
interrupt requests have priority level 0 (low priority)
5
interrupt requests have priority level 1 (high priority)
5
(Initial value)
(Initial value)
and IRQ interrupt
4 5
(Initial value)
(Initial value)
(Initial value)
87