HD643303x Hitachi, HD643303x Datasheet - Page 546

• Manufacturer Part Number: HD643303x
• Description: Hitachi Microcomputer
• Manufacturer: Hitachi

IPRA—Interrupt Priority Register A
•
IPRB—Interrupt Priority Register B
•
Bit
Initial value
Read/Write
Bit
Initial value
Read/Write
Interrupt sources controlled by each bit
Interrupt
source
Interrupt sources controlled by each bit
Interrupt
source
Bit 7
IPRA7
IRQ
Bit 7
IPRB7
ITU
chan-
nel 3
IPRB7
0
R/W
IPRA7
7
0
R/W
7
0
Bit 6
IPRA6
IRQ
Bit 6
IPRB6
ITU
chan-
nel 4
IPRB6
1
R/W
IPRA6
6
0
R/W
6
0
Bit 5
IPRA5
IRQ
IRQ
Bit 5
—
—
Priority level B7, B6, B3, and B1
2
3
0 Priority level 0 (low priority)
1 Priority level 1 (high priority)
R/W
,
IPRA5
—
5
0
R/W
5
0
Bit 4
IPRA4
IRQ
Bit 4
—
—
Priority level A7 to A0
531
0 Priority level 0 (low priority)
1 Priority level 1 (high priority)
4
R/W
IPRA4
—
4
0
R/W
4
0
Bit 3
IPRA3
WDT
Bit 3
IPRB3
SCI
chan-
nel
IPRB3
R/W
IPRA3
3
0
R/W
3
0
Bit 2
IPRA2
ITU
chan-
nel 0
Bit 2
—
—
H'F8
H'F9
R/W
IPRA2
—
2
0
R/W
2
0
Bit 1
IPRA1
ITU
chan-
nel 1
Bit 1
IPRB1
A/D
con-
verter
Interrupt controller
Interrupt controller
IPRB1
R/W
IPRA1
1
0
R/W
1
0
ITU
chan-
nel 2
—
Bit 0
IPRA0
Bit 0
—
R/W
IPRA0
—
0
0
R/W
0
0