Hitachi H8/3048 Hardware Manual page 103

Interrupt Priority Register B (IPRB): IPRB is an 8-bit readable/writable register in which
interrupt priority levels can be set.
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Bit
IPRB7
Initial value
Read/Write
IPRB is initialized to H'00 by a reset and in hardware standby mode.
7 6 5
IPRB6 IPRB5
0 0 0
R/W R/W R/W
Priority level B5
Selects the priority level of DMAC
interrupt requests (channels 0 and 1)
Priority level B6
Selects the priority level of ITU channel 4 interrupt requests
Priority level B7
Selects the priority level of ITU channel 3 interrupt requests
4 3 2
— IPRB3 IPRB2
0 0 0
R/W R/W R/W
Priority level B2
Selects the priority level of
SCI channel 1 interrupt requests
Priority level B3
Selects the priority level of SCI
channel 0 interrupt requests
Reserved bit
89
1 0
IPRB1 —
0 0
R/W R/W
Reserved bit
Priority level B1
Selects the priority level
of A/D converter
interrupt request