Hitachi H8/3022 Hardware Manual page 643

IPRA—Interrupt Priority Register A
Bit
IPRA7
Initial value
Read/Write R/W
• Interrupt sources controlled by each bit
Bit 7
IPRA7
Interrupt IRQ
0
source
IPRB—Interrupt Priority Register B
Bit
IPRB7
Initial value
Read/Write R/W
• Interrupt sources controlled by each bit
Bit 7
IPRB7
Interrupt ITU
source chan-
nel 3
634
7 6
IPRA6 —
0 0
R/W R/W
Bit 6 Bit 5
IPRA6 —
IRQ —
1
7 6
IPRB6 —
0 0
R/W R/W
Priority level B7, B6, B3 to B1
0 Priority level 0 (low priority)
1 Priority level 1 (high priority)
Bit 6 Bit 5
IPRB6 —
ITU —
chan-
nel 4
5 4
IPRA4 IPRA3
0 0
R/W R/W
Priority level A7, A6, A4 to A0
0 Priority level 0 (low priority)
1 Priority level 1 (high priority)
Bit 4 Bit 3
IPRA4 IPRA3
IRQ , WDT
4
IRQ
5
5 4
— IPRB3
0 0
R/W R/W
Bit 4 Bit 3
— IPRB3
— SCI
chan-
nel 0
H'F8 Interrupt controller
3 2
IPRA2 IPRA1
0 0
R/W R/W
Bit 2 Bit 1
IPRA2 IPRA1
ITU ITU
chan- chan-
nel 0 nel 1
H'F9 Interrupt controller
3 2
IPRB2 IPRB1
0 0
R/W R/W
Bit 2 Bit 1
IPRB2 IPRB1
SCI A/D
chan- con-
nel 1 verter
1 0
IPRA0
0 0
R/W
Bit 0
IPRA0
ITU
chan-
nel 2
1 0
—
0 0
R/W
Bit 0
—
—