HD64F3039F18 Datasheet, PDF (678/710 Pages) Renesas Technology Corp – Renesas 16-Bit Single-Chip Microcomputer H8 Family / H8/300H Series

Appendix B Internal I/O Register Field
IPRA—Interrupt Priority Register A
H'F8
Interrupt controller
Bit
Initial value
Read/Write
7
6
5
4
3
2
1
0
IPRA7 IPRA6 — IPRA4 IPRA3 IPRA2 IPRA1 IPRA0
0
0
0
0
0
0
0
0
R/W
R/W R/W
R/W R/W
R/W
R/W R/W
Priority level A7, A6, A4 to A0
0 Priority level 0 (low priority)
1 Priority level 1 (high priority)
• Interrupt sources controlled by each bit
Bit 7 Bit 6 Bit 5
IPRA7 IPRA6 —
Bit 4
IPRA4
Interrupt IRQ
IRQ
—
0
1
source
IRQ ,
4
IRQ₅
Bit 3
IPRA3
WDT
Bit 2
IPRA2
ITU
channel
0
Bit 1
IPRA1
ITU
channel
1
Bit 0
IPRA0
ITU
channel 2
IPRB—Interrupt Priority Register B
Bit
Initial value
Read/Write
7
6
5
IPRB7 IPRB6 —
0
0
0
R/W
R/W
R/W
H'F9
Interrupt controller
4
3
2
1
0
— IPRB3 IPRB2 IPRB1 —
0
0
0
0
0
R/W
R/W
R/W
R/W
R/W
Priority level B7, B6, B3 to B1
0 Priority level 0 (low priority)
1 Priority level 1 (high priority)
• Interrupt sources controlled by each bit
Bit 7
IPRB7
Bit 6
IPRB6
Bit 5
—
Interrupt ITU
ITU
—
source channel channel
3
4
Bit 4
—
—
Bit 3
IPRB3
SCI
channel
0
Bit 2
IPRB2
SCI
channel
1
Bit 1
IPRB1
Bit 0
—
A/D
—
converter
Rev.3.00 Mar. 26, 2007 Page 654 of 682
REJ09B0353-0300