Hitachi H8/3062 Hardware Manual page 121

Interrupt Priority Register A (IPRA): IPRA is an 8-bit readable/writable register in which
interrupt priority levels can be set.
Bit 7
IPRA7
Initial value 0
Read/Write R/W
Priority level A7
Selects the priority level of IRQ interrupt requests
IPRA is initialized to H'00 by a reset and in hardware standby mode.
6 5
IPRA6 IPRA5
0 0
R/W R/W
Priority level A5
Selects the priority level of IRQ and IRQ interrupt requests
Priority level A6
Selects the priority level of IRQ interrupt requests
4 3
IPRA4 IPRA3
0 0
R/W R/W
Priority level A2
Selects the priority level of
16-bit timer channel 0 interrupt
requests
Priority level A3
Selects the priority level of WDT,
and A/D converter interrupt requests
Priority level A4
Selects the priority level of IRQ and IRQ
interrupt requests
1
0
2 1
IPRA2 IPRA1
0 0
R/W R/W
Priority
level A0
Selects the
priority level
of 16-bit timer
channel 2
interrupt
requests
Priority level A1
Selects the priority level
of 16-bit timer channel 1
interrupt requests
4
2 3
0
IPRA0
0
R/W
5
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