Hitachi H8/3032 Series Hardware Manual page 95

Interrupt Priority Register A (IPRA): IPRA is an 8-bit readable/writable register in which
interrupt priority levels can be set.
Bit
Initial value
Read/Write
IPRA is initialized to H'00 by a reset and in hardware standby mode.
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7 6 5
IPRA7 IPRA6 IPRA5
0 0 0
R/W R/W R/W
Priority level A4
Selects the priority level of IRQ
interrupt requests
Priority level A5
Selects the priority level of IRQ and IRQ interrupt requests
Priority level A6
Selects the priority level of IRQ interrupt requests
Priority level A7
Selects the priority level of IRQ interrupt requests
4 3 2
IPRA4 IPRA3 IPRA2
0 0 0
R/W R/W R/W
Priority level A1
Selects the priority level
of ITU channel 1
interrupt requests
Priority level A2
Selects the priority level of
ITU channel 0 interrupt requests
Priority level A3
Selects the priority level of WDT
interrupt requests
4
2 3
1
0
80
1 0
IPRA1 IPRA0
0 0
R/W R/W
Priority
level A0
Selects the
priority level
of ITU
channel 2
interrupt
requests