HD64F3028F25 Datasheet, PDF (792/925 Pages) Renesas Technology Corp – Hardware Manual Renesas 16-Bit Single-Chip Microcomputer H8 Family/H8/300H Series

IPRA—Interrupt Priority Register A
H'EE018
Interrupt Controller
Bit
Initial value
Read/Write
7
IPRA7
0
R/W
6
IPRA6
0
R/W
5
IPRA5
0
R/W
4
IPRA4
0
R/W
3
IPRA3
0
R/W
2
IPRA2
0
R/W
1
0
IPRA1 IPRA0
0
0
R/W R/W
Priority level A7 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
Bit
IPRA7 IPRA6 IPRA5
IPRA
Interrupt
source
IRQ0
IRQ1
IRQ2,
IRQ3
Bit 4
IPRA4
IRQ4,
IRQ5
Bit 3
Bit 2
Bit 1
Bit 0
IPRA3 IPRA2
IPRA1 IPRA0
WDT,
DRAM
interface,
A/D converter
16-bit
timer
channel 0
16-bit
timer
channel 1
16-bit
timer
channel 2
IPRB—Interrupt Priority Register B
H'EE019
Interrupt Controller
Bit
7
6
5
4
3
2
1
0
IPRB7 IPRB6 IPRB5
—
IPRB3 IPRB2 IPRB1 —
Initial value
0
0
0
0
0
0
0
0
Read/Write R/W
R/W
R/W
R/W
R/W
R/W
R/W R/W
Priority level B7 to B5, B3 to B1
0 Priority level 0 (low priority)
1 Priority level 1 (high priority)
• Interrupt sources controlled by each bit
Bit 7
Bit 6
Bit
IPRB7 IPRB6
IPRB
Interrupt
source
8-bit timer
channels
0 and 1
8-bit timer
channels
2 and 3
Bit 5
IPRB5
DMAC
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
—
IPRB3 IPRB2 IPRB1
—
— SCI
SCI
SCI
—
channel 0 channel 1 channel 2
Rev. 2.00, 09/03, page 760 of 890