HD6413007F20 Datasheet, PDF (681/798 Pages) Renesas Technology Corp – Hardware Manual Renesas 16-Bit Single-Chip Microcomputer H8 Family/H8/300H Series

Appendix B Internal I/O Registers
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
IPRA7
IPRA
IRQ0
Interrupt
source
Bit 6
IPRA6
IRQ1
Bit 5
IPRA5
IRQ2,
IRQ3
Bit 4
IPRA4
IRQ4,
IRQ5
Bit 3
Bit 2
Bit 1
Bit 0
IPRA3 IPRA2 IPRA1 IPRA0
WDT, 16-bit 16-bit 16-bit
DRAM timer
timer
timer
interface, channel 0 channel 1 channel 2
A/D converter
IPRB⎯Interrupt Priority Register B
Bit
7
6
5
IPRB7 IPRB6 IPRB5
Initial value
0
0
0
Read/Write R/W
R/W
R/W
H'EE019
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 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 5
Bit
IPRB7 IPRB6 IPRB5
IPRB
8-bit timer 8-bit timer
Interrupt
source
channels
channels
0 and 1 2 and 3
DMAC
Bit 4
⎯
⎯
Bit 3
Bit 2
Bit 1
IPRB3 IPRB2 IPRB1
SCI
SCI
SCI
channel 0 channel 1 channel 2
Bit 0
⎯
⎯
Rev.5.00 Sep. 12, 2007 Page 651 of 764
REJ09B0396-0500