Hitachi F-ZTAT H8/3039 Series Hardware Manual page 101

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